Tag Archives: machinery

China high quality Tractor Front Axle for Farm Machinery electric axle

Product Description

 

Product Description

 

Introducing the front axle by RN, a high-quality component designed for use in agriculture tractors. Made by HangZhou City Rong Nan Machinery Manufacturing Co., Ltd., this front axle offers exceptional performance and durability.

 

Key Attributes:

 

  • Weight: 10 KG
  • Warranty: 1.5 years
  • Marketing Type: Ordinary Product
  • Condition: New
  • Use: Tractors
  • Brand Name: RN
  • After Warranty Service: Spare parts
  • Application: Agriculture Tractor
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Other Attributes:

 

  • Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Farms, Retail
  • Showroom Location: None
  • Video Outgoing-Inspection: Provided
  • Machinery Test Report: Provided
  • Place of Origin: ZheJiang , China
  • Outline Dimension: 1640*570*330
  • Distance Between Spokes: 1575
  • OEM/ODM: OEM/ODM Service Provided
  • Warranty: 12 Months
  • Color: Optional
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Packaging and Delivery:

 

Our front axle is carefully packaged according to customers’ needs. We ensure safe and prompt delivery to your desired location. The port of shipment is ZheJiang .

 

Supply Ability:

 

We have a monthly supply capacity of 3000 pieces, ensuring that you can always rely on us for your front axle needs.

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After-sales Service: Spare Parts
Condition: New
Axle Number: 1
Application: Trailer
Certification: CE, ISO
Material: Iron
Customization:
Available

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Customized Request

axle

Can you provide insights into the maintenance of axle bearings for smooth operation?

Maintaining axle bearings is essential for ensuring smooth operation, longevity, and optimal performance of a vehicle’s axle system. Here are some insights into the maintenance of axle bearings:

1. Regular Inspection:

Perform regular visual inspections of the axle bearings to check for any signs of wear, damage, or leaks. Look for indications such as excessive play, unusual noises, vibration, or leakage of grease. Inspections should be carried out as per the manufacturer’s recommended intervals or during routine maintenance checks.

2. Lubrication:

Adequate lubrication is crucial for the smooth operation of axle bearings. Follow the manufacturer’s guidelines for the type of lubricant to use and the recommended intervals for greasing. Over-greasing or under-greasing can lead to bearing damage or failure. Ensure that the proper amount of grease is applied to the bearings, and use a high-quality grease that is compatible with the axle bearing specifications.

3. Seal Inspection and Replacement:

Check the condition of the axle bearing seals regularly. The seals help to keep contaminants out and retain the lubricating grease within the bearing. If the seals are damaged, worn, or show signs of leakage, they should be replaced promptly to prevent dirt, water, or debris from entering the bearing assembly and causing damage.

4. Proper Installation:

During axle bearing replacement or installation, it is crucial to follow proper procedures to ensure correct seating and alignment. Improper installation can lead to premature bearing failure and other issues. Refer to the manufacturer’s instructions or consult a professional mechanic to ensure proper installation techniques are followed.

5. Load Capacity and Alignment:

Ensure that the axle bearings are properly sized and rated to handle the load capacity of the vehicle and the specific application. Overloading the bearings can lead to excessive wear and premature failure. Additionally, proper wheel alignment is important to prevent uneven bearing wear. Regularly check and adjust the wheel alignment if necessary.

6. Environmental Considerations:

Take into account the operating conditions and environment in which the vehicle is used. Extreme temperatures, exposure to water, dirt, or corrosive substances can affect the performance of axle bearings. In such cases, additional preventive measures may be necessary, such as more frequent inspections, cleaning, and lubrication.

7. Professional Maintenance:

If you are unsure about performing maintenance on axle bearings yourself or if you encounter complex issues, it is recommended to seek assistance from a qualified mechanic or technician who has experience with axle systems. They can provide expert advice, perform necessary repairs or replacements, and ensure proper maintenance of the axle bearings.

By following these maintenance insights, you can help ensure the smooth operation, longevity, and reliability of axle bearings, contributing to the overall performance and safety of the vehicle.

axle

Can you recommend axle manufacturers known for durability and reliability?

When it comes to choosing axle manufacturers known for durability and reliability, there are several reputable companies in the automotive industry. While individual experiences and preferences may vary, the following axle manufacturers have a track record of producing high-quality products:

1. Dana Holding Corporation: Dana is a well-known manufacturer of axles, drivetrain components, and sealing solutions. They supply axles to various automotive manufacturers and have a reputation for producing durable and reliable products. Dana axles are commonly found in trucks, SUVs, and off-road vehicles.

2. AAM (American Axle & Manufacturing): AAM is a leading manufacturer of driveline and drivetrain components, including axles. They supply axles to both OEMs (Original Equipment Manufacturers) and the aftermarket. AAM axles are known for their durability and are often found in trucks, SUVs, and performance vehicles.

3. GKN Automotive: GKN Automotive is a global supplier of driveline systems, including axles. They have a strong reputation for producing high-quality and reliable axles for a wide range of vehicles. GKN Automotive supplies axles to various automakers and is recognized for their technological advancements in the field.

4. Meritor: Meritor is a manufacturer of axles, brakes, and other drivetrain components for commercial vehicles. They are known for their robust and reliable axle products that cater to heavy-duty applications in the commercial trucking industry.

5. Spicer (Dana Spicer): Spicer, a division of Dana Holding Corporation, specializes in manufacturing drivetrain components, including axles. Spicer axles are widely used in off-road vehicles, trucks, and SUVs. They are known for their durability and ability to withstand demanding off-road conditions.

6. Timken: Timken is a trusted manufacturer of bearings, seals, and other mechanical power transmission products. While they are primarily known for their bearings, they also produce high-quality axle components used in various applications, including automotive axles.

It’s important to note that the availability of specific axle manufacturers may vary depending on the region and the specific vehicle make and model. Additionally, different vehicles may come equipped with axles from different manufacturers as per the OEM’s selection and sourcing decisions.

When considering axle replacements or upgrades, it is advisable to consult with automotive experts, including mechanics or dealerships familiar with your vehicle, to ensure compatibility and make informed decisions based on your specific needs and requirements.

axle

What is the primary function of an axle in a vehicle or machinery?

An axle plays a vital role in both vehicles and machinery, providing essential functions for their operation. The primary function of an axle is to transmit rotational motion and torque from an engine or power source to the wheels or other rotating components. Here are the key functions of an axle:

  1. Power Transmission:
  2. An axle serves as a mechanical link between the engine or power source and the wheels or driven components. It transfers rotational motion and torque generated by the engine to the wheels, enabling the vehicle or machinery to move. As the engine rotates the axle, the rotational force is transmitted to the wheels, propelling the vehicle forward or driving the machinery’s various components.

  3. Support and Load Bearing:
  4. An axle provides structural support and load-bearing capability, especially in vehicles. It bears the weight of the vehicle or machinery and distributes it evenly across the wheels or supporting components. This load-bearing function ensures stability, balance, and proper weight distribution, contributing to safe and efficient operation.

  5. Wheel and Component Alignment:
  6. The axle helps maintain proper alignment of the wheels or rotating components. It ensures that the wheels are parallel to each other and perpendicular to the ground, promoting stability and optimal tire contact with the road surface. In machinery, the axle aligns and supports the rotating components, ensuring their correct positioning and enabling smooth and efficient operation.

  7. Suspension and Absorption of Shocks:
  8. In vehicles, particularly those with independent suspension systems, the axle plays a role in the suspension system’s operation. It may incorporate features such as differential gears, CV joints, or other mechanisms that allow the wheels to move independently while maintaining power transfer. The axle also contributes to absorbing shocks and vibrations caused by road irregularities, enhancing ride comfort and vehicle handling.

  9. Steering Control:
  10. In some vehicles, such as trucks or buses, the front axle also serves as a steering axle. It connects to the steering mechanism, allowing the driver to control the direction of the vehicle. By turning the axle, the driver can steer the wheels, enabling precise maneuverability and navigation.

  11. Braking:
  12. An axle often integrates braking components, such as brake discs, calipers, or drums. These braking mechanisms are actuated when the driver applies the brakes, creating friction against the rotating axle or wheels and causing deceleration or stopping of the vehicle. The axle’s design can affect braking performance, ensuring effective and reliable stopping power.

Overall, the primary function of an axle in both vehicles and machinery is to transmit rotational motion, torque, and power from the engine or power source to the wheels or rotating components. Additionally, it provides support, load-bearing capability, alignment, suspension, steering control, and braking functions, depending on the specific application and design requirements.

China high quality Tractor Front Axle for Farm Machinery   electric axleChina high quality Tractor Front Axle for Farm Machinery   electric axle
editor by CX 2024-01-16

China wholesaler Beam Profile Drilling CNC Machinery CNC H Beam Marking Drilling Machine for Indonesia Bridge Steel Structures with Best Sales

Product Description

Beam Profile Drilling CNC Machinery CNC H Beam Marking Drilling Machine for Indonesia bridge steel structure

Introduction&Application:

   The machine is mainly used for processing holes on H-beam, Channel beam with Angle beam and plate drilling and marking processing, high speed, the positioning, feeding of 3 spindles are all driven by servo motor. It adopts spindle servo motor, controls by YOKOGAWA PLC., and in-feeding by CNC carriage, high efficiency, and high precision; and it is wildly used in construction, bridge and tower mast & rack, with other industries.
  The main advantage of high speed CNC drilling SWZ1250H, it’s high speed drilling, rotation speed can reach 3000rpm.
  Due to SWZ1250H using the carbide drill bits, single hole processing efficiency increased to more than 5 times than the normal speed machine, the overall production efficiency more than 2 times than the normal machine.
  For example: 22 mm diameter, thickness 20 mm workpiece, SWZ series drilling 1 hole need about 30 seconds, SWZ1250H series can be controlled within 5 seconds. 

Machine feature: 

     1), The whole machine is optimized integrated design, with high quality machine body and drilling units, which ensure high stability and high rigidity when high speed drilling. This machine is mainly composed of main machine, CNC sliding table (3), drilling spindle box (3), clamping device, detection device, cooling system, scrap box, hydraulic station, lubrication system, Tool Magazine(optional), marking unit (optional).
    2), The main machine is welded by square pipe. The structure of main machine is strengthened where the stress is greater. After welding, artificial aging treatment was carried out. All these ensure the stability of the main machine and then ensure accuracy of the whole machine.
    3), There are 3 CNC sliding tables: fixed side CNC sliding table, movable side CNC sliding table and intermediate CNC sliding table. The 3 sliding tables are similar in structure and are composed of sliding plate, sliding table and servo drive system.
    4), There are 6 CNC axes on the 3 sliding tables, including 3 feeding CNC axes and 3 positioning CNC axes. Each CNC axle is guided by precise linear rolling guide, driven by AC servo motor and ball screw, which ensures positioning accuracy.
    5), There are 3 spindle boxes,  which are mounted on 3 NC sliding tables for horizontal and vertical drilling. Each drilling spindle box can drill both separately and simultaneously.
    6), Used high-speed precision spindle from ZheJiang ‘s well-known brand, model BT, which can meet the using demand of both hard alloy and high-speed steel drill. Every CNC axes are guided by the heavy loading roller linear guide, driven by the servo motor and roller screw which ensure the rigidity and positional accuracy. 
   7). Also equips with hydraulic tool cylinder, using hydraulic -disc spring to do automatic tool de-clamping, tool pulling, with tool status monitoring device to check the tool clamping and effective safety co-locking protection device. Easy to change tools. The spindle is driven by spindle servo and timing belt, reducing ratio i=2 , spindle speed is 0~3000r/min, large rotation speed range.
   8), The workpiece is fixed by hydraulic clamping method. There are 5 hydraulic cylinders, which are clamped horizontally and vertically. Horizontal clamping consists of fixed side datum and moving side clamping, fixed side datum is fixed, moving side clamping is driven by large cylinder sliding table, guided by linear CZPT rail, moving towards the fixed side to clamp the workpiece horizontally; vertical clamping is on both fixed side and moving side, and each cylinder drives the pressure bar to move up and down in 4 positions. The workpiece is clamped vertically.
    9), The machine is fed by a NC carriage. The NC carriage is decelerated by the servo motor through the reducer and then passes through the gear rack to driven a laser alignment device. When the workpiece is fed in, the workpiece can be detected and then fed back to realize the precise positioning of the workpiece.
   10), Cooling system: using air-fog cooling, with the internal and external cooling. Each drilling spindle box is equipped with its own external cooling nozzle and internal cooling joint, which can be selected according to the needs of drilling holes. Internal and external cooling can be used independently or simultaneously.
   11), Chip collecting box: Universal caster guide, easy to carry.
   12), The hydraulic system is for auto tool device of ram type drilling box,Horizontal clamping, vertical clamping, side pushing and power raceway, unified oil supply; all the hydraulic units are from imported brands or joint venture companies, for easy maintenance and solving oil leaking, all the design adopts accumulative valves.If marking unit is equipped, there is also an independent hydraulic station for marking unit action.
   13), Machine equips with auto lubrication system, automatic pump the lubrication oil into and do fully lubrication for each and every part of linear guide, ball screw nuts and every rolling bearings etc at regular time, no need manual lubrication, increase the parts life and save time. All the lubrication pump and units are using famous brands. 
  14), Tool Magazine(optional):Installed 3 inline type tool magazine, which realize the automatic tool change, also meet the demand of drilling multiple diameter’s hole. Oil spray and air spray cooling, has inner cooling and outer cooling efficacy.
  15), Marking unit(optional): The marking unit adopts the disc typing structure, 0-9, A-Z, 36 characters are distributed on the disc, and the position is selected by the servo motor.
  16), The control system is FACTORY PLC. Strong anti-interference, high precision, because of the digital communication, thus overcome the defect of easy be interference in traditional pulse analog transmission.
  17), In order to ensure the accuracy, reliability and stability of transmission system, electrical system, hydraulic system, all the key components are from international famous brand.

Three BT40 Drilling Spindles (Top, Left and Right) with drilling function
Marking Unit and function:
Workpiece Sample with hole groupMain Specification:

Model XT-SWZ1250
Workpiece size H Beam Web x Flange (mm) 150×80~1250×600
U Beam WebxFlange (mm) 150×80~1250×400
Box Beam WebxFlange (mm) 150×80~1250×400
Angle Beam WebxFlange (mm) 200x200x16
  Max. Thickness(mm) ≤80
Max. material length(mm) 12000
Short material limiting mm Automatic processing≥3000
Manual processing: 690~3000
Spindle Spindle Axis 3
Spindle taper BT40
Spindle rotation speed(r/min)
Stepless speed regulation
200~3000
Max. hole diameter(mm) Fixed Side, 
Moving Side
Φ40(High Speed)
Intermediate Unit
Center line movement scope(mm) Center slide table/
Horizontal direction
50~1450
Fixed side/movement side
Vertical direction
30~770
3 Positioning CNC axis moving speed m/min 0-10m/min
3 feed CNC axis moving speed m/min 0-5m/min
Web width detection stroke mm 1100
Web height detection stroke mm 290
Motor power Spindle motor power (KW) 3*11
Servo motor power of 3 Pcs feeding Axis(KW) 3*2
Servo motor power of 3 Positioning Axis (KW) 3*1.5
Feeding Trolley Feeding trolley servo motor(KW) 5
Maximum feeding speed(m/min) 20m/min
Maximum feeding weight(Tonnes) 10T
Control system CNC System Japan YOKOGAWA PLC
CNC Axis Quantity 7
Hydraulic system Max. Hydraulic Pressure (MPa) 7.5
Motor power(KW) 5.5
Cooling system No. of  Nozzle 3
Pressure of compressed air (Mpa) ≥0.5
Cooling way Internal Cooling & External Cooling
Tool Magazine(optional) Tool Magazine Quantity 3
Tools quantity for each Magazine 4 Pieces
Marking unit(optional) No. of Characters 36 Characters
Characters Size Φ10 mm
Imprinting Depth 0.8~1.5mm
Position servo motor(KW) 0.75
Working environment Working power Three phase 4 wire system 380±10%V, 50HZ
Control power 220±10%V 50HZ
Operate power 24V DC
Working temperature 0ºC ~ 40ºC
Humidity of environment ≤75%
Overall dimension(L×W×H)(mm) About 6000×2100×3400
Main Machine weight (Kg) About 8000

List of the Key Outsourced Components:

NO. Name Manufacturer
Main Electric Component
1 Control system Japan FACTORY PLC
2 Servo Motor Japan Panasonic
3 Servo Driver Japan Panasonic
4 Spindle motor Brand of China
5 Computer Lenovo China
6 Rotary encoder Weidmuller
7 Proximity Switch Normal Open Brand of china
Normal Close
8 Proximity switch Brand of china
9 Photoelectric Switch Germany SICK
Main Hydraulic Pressure Components
1 Hydraulic valves(Main) Italy ATOS
Main Mechanical Components
1 Ball screw ZheJiang
2 Linear guide ZheJiang
3 Precision spindle ZheJiang
Other components
1 Spraying cooling pump ARXIHU (WEST LAKE) DIS.NE
2 Nozzle BIJUR
3 Pneumatic 2 couplet AirTac
4 Cylinder AirTac

   Note: The above parts are supplied by our Approved Suppliers. If encounter special situation, we will take replace with same or higher quality level parts.

Applicable Industry:
    The machine tool is mainly used for drilling H-shaped steel, channel steel and other workpieces, and is widely used in construction, bridges and other industries.

Company Introduction:
    ZheZheJiang nshine CNC is always focusing on our ultimate goal – to secure and increase our customer’s productivity – has made us the leader in China market in the manufacture of machines for processing angle bar, beam channel profiles, steel plates, tubesheet and flanges, mainly serving for fabricating iron towers, steel structure, heat exchangers, boilers, bridges, and trucks.Strong R & D center with more than 10 engineers team, 25 years of experience from year 1996, more than 100 staff, plant area about 25,000 sqm., very harsh quality control of every component and the whole machine, about 12 million US dollars sales turnover per year.
     
     Sunshine CNC machines’ market share in China is around 70% and exported to 50+ countries across globe market. All top ranked tower manufacturers, steel structure fabricators and power station makers, bridge/railway manufacturers, truck makers are our clients.
   
    Main products: CNC Angle Line, CNC Beam Drilling Sawing Machine, CNC Plate Drilling Machine, CNC Rail Processing Machine, CNC Tubesheet Flange Drilling Machine, Truck beam plate punching machine, etc. 

    One measure of the outstanding quality of our machines is their longevity: many Sunshine’s machines have been in operation for more than 10 years! Many clients are continually placing repeated orders which verified well our machines’ perfect quality and reliable performance.

     The company drafted many China national standards for CNC angle line machine and CNC beam drilling sawing machine and CNC plate drilling machine.
Relevant Certificate:

  After-sales Service:
  Training for installation and service:

  A. We will supply the machine with training video and user’s manual in English for installing, operation, maintenance and trouble-shooting, and shall give technical CZPT by e-mail, , Wechat, telephone/MSN/ICQ and so on, when you meet some problems of installation, using or adjusting.
 

  B. You can come to our factory for inspection and training. We will provide professional guide. Direct and effective face-to-face training. Here we have assembled equipment, all sorts of tools and testing facility,we will also provide accommodation during training period.

  C.The Strong after–sale service team in China, Our engineers (staffs) can speak fluent English to communicate and solve question when you have requirement calendar day per person.

  D. Depending on the region, If need our engineer to visit for installation, we will dispatch engineer for installation and service at your site.

 
  
Warranty:

   The guarantee period of quality shall be 12 months counting from the date on which the machine finished installation and accept by Buyer. We are responsible for providing the free of charge during the guarantee period. If out of guarantee time, all damaged parts are charged.

  Packaging of interntaional standard way 

  FAQ:
   1. When can you arrange shipment?
    For machines available in stock, the shipment can be arranged within 15 days after getting advance payment or L/C;
    For machines non available in stock, the shipment can be arranged with 60 days after getting advance payment or L/C.

    2. What can you do if my machines have problems?
    1) We can send you free components if machines are in warranty period;
    2) 24 hours service on line;
    3) We can assign our engineers to serve you if you want.

    3. Do you provide machine operation training?
     Yes. We can send professional engineers to the working site for machine’s installation, commissioning and operation training.

    4. Which machine model shall I choose when I purchase from you?
    Please share us your material size and your processing request, then we will recommend our machine most suitable and most cost effective for your work demand.

   5. What’s your machine’s market share in China?
   Our market share in China is about 70%+, and we’ve exported to 50+ countries across the globe market, since year 1996.

If you have an questions, pls call us without hesitation. Thanks! 

Best Regards 
Jack-Director 

  
 

 

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China wholesaler Beam Profile Drilling CNC Machinery CNC H Beam Marking Drilling Machine for Indonesia Bridge Steel Structures     with Best SalesChina wholesaler Beam Profile Drilling CNC Machinery CNC H Beam Marking Drilling Machine for Indonesia Bridge Steel Structures     with Best Sales

China Custom Manufacture Casting Steel Auto Part Casting Machinery Part with Great quality

Product Description

Material  ductile Iron,; Grey Iron,; Stainless steel,; Steel,; Aluminum,; Alloy,; etc.;
Capacity 500 tons per month
Standard GB,; ASTM,; DIN,; JIS,; ISO etc.; 
Inspection  foundry in home,; third part inspection,; material report UT,; MT,; RT and PT,; etc.;
Finished painting,; polishing,; plating,; powder coating,; etc.;
Packing Standard wooden or carton package with bubble form or assigned by the customer
Payment TT or L/C
Payment term 30% down payment and 70% before delivery base on FOB HangZhou
Delivery Period around 30 days after receive the down payment

Our advantage
1.;We offer OEM and ODM service.;
2.;High quality iron and metal casting manufacturer.;
3.;Experienced technical and inspection team.;
4.;Abundant experience in exporting casting products.;
5.;Regularly production reports.;

Packing and delivery
Packing:; Standard export packaging (Wooden,; steel,; carton case or pallet );
Shipping:;sea freight,; air freight,; express 

Company Infomation
HangZhou Xin Rong CZPT Casting Co.;,; Ltd was established in 1993( originally named HangZhou Rongxiang Casting plant);.; This is 1 of the leading OEM foundry with over 20 years experience in this field.; We specialized in sand casting,; metal casting,; shell mold casting etc.; 
Facilities:; shell core machines,; melting furnaces,; shot blast chambers,; grinding machines,; checkout chemical,; examination equipment,; CZPT front analyzer brinell hardness testers,; CNC machining center.;
Products including:; Auto parts (steering knuckle / spindle,; brake disc,; brake drum,; wheel hub,; motor cover,; impeller,; pulley,; gear,; valve,; etc.;); kitchenware (gas stove parts,; pan support,; floor drain etc.;); Garden protection ( wrought iron gate,; fence parts,; etc.;); road construction ( manhole cover,; road floor drain,; etc.;); pipe fitting etc.; 

Our Services
 1.; We will ensure you that we will reply you within 12 hours for any questions about our products or quotation.;
  2.; We will provide you the reasonable quotation
  3.; we are follow the trade assurance mission which is ensure the on-time shipment and pre shipment product quality.; 
  4.; All of the technical detail,; drawings are confidential ,; unless we receive your permit in writing
  5.; the sample will be provided according to your request.; The sample cost and the freight cost will be shouldered by the customer,; the sample is refundable when you place the volume order.; 

FAQ
1.; Q:; Are you a factory or trading company?
   We’re a manufacturer with over 20 years of experience in casting.;
2.; Q:; How does your factory handle quality control?
   We are ISO9001 certified and product quality is our priority.;We will test all our raw material before production,; and have third party to do the professional inspection.;
3.; Q:;How to deal with the defective product?
   a.; We will need you to fill up the product defective form with some pictures,; we might also request for a sample of the defective product ( we will take care of the freight cost if it is manufacturing defective);
   b.; We will check and solve the issue,; then repair the defective items or send the replacement accordingly.; 
   c.; We are willing to comply with customer’s reasonable requests.;
 

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

China Custom Manufacture Casting Steel Auto Part Casting Machinery Part     with Great qualityChina Custom Manufacture Casting Steel Auto Part Casting Machinery Part     with Great quality

China Best Sales CNC Drilling Machine for Window and Door Processing Machinery near me manufacturer

Product Description

 CNC aluminum profile Milling Machine SKX-CNC-1200

Product Description

Feature

1. The machine is used for drilling holes, milling grooves, processing round holes and special-shaped holes,plane engraving of aluminum alloy profiles.

2. Adopted ZheJiang Syntec CNC Control system.

3. Adopted the electric spindle, high precision, high safety and reliability.

4. X axle adopts high precision helical gear and rack, Y and Z axiss adopt high-precision ball screw trassmission, steady transmission and high precision.

5. By using programming software to transform and process G code automatically, easy operation, high efficiency and low labour intensity.

6. workbench can turn 180°,-90°0°+90°, it can realize material three-sides section processing by clamping 1 time, it can process deep and special-shaped holes through workbench turning, high efficiency and precision,

Product Parameters

 

Parameter

 

Air Pressure

0.5~0.6MPa

X/Y/Z Axis stroke

1200mm*300mm*280mm

Input Voltage

380V 50Hz or As Customer need

Input Power

3Kw

Handle type

ER25*Φ8

Processing range

100*140

Overall size

2200×1500×19500mm

Weight

700kg

Main accessory

 

Control system

ZheJiang  Syntec

Solenoid valve

Germany FESTO

Cylinder

PC(FESTO Joint Venture Brand)

Motor

ZheJiang  SHangZhou (Best Chinese Motor Brand)

Air Filter Device

STNC

Electrical Button and Switcher

Schneider

AC Contactor and Circuit Breaker

Schneider

Approach Switch

ZheJiang  Delta

Xihu (West Lake) Dis. rail

ZheJiang  Hiwin

Standard accessory

 

Cutters

4pcs

Air Gun

1pc

Complete tooling

1set

Certificate

1pc

Operation Manual

1pc

Remarks

1. All the electrical elements,Circuit breaker protection and AC contactors are schneider or other world famous brand.

2. International CE standard high flexibility, high shielding cables.

3. Warranty time: 1 year

4. Quotation Valid: 90 days                                                                               

5. Payment terms: 30%T/T as deposit, 70% balance made before shipment by T/T

6. Delivery time: 30 days upon receipt of 30% deposit by T/T         

7. Packaging: Film packaging and fumigation-free wooden case(if delivery by full container load, then without wooden box, just use the tray)

8. After sales service:      

1)24 hours service on Internet and Telephone, free instructions and problem solving  

2) Free training to make sure a master of the operating of cnc router for the person who come to our factory  

3)User-friendly English manual or operating video for machine using and maintaining

4) on-the-spot training, installation and repairing can be met if required.(If so, need the buyer afford the visa and air ticket and 60USD/DAY Salary)
 

Detailed Photos

 

Other machines:

 

 

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China Best Sales CNC Drilling Machine for Window and Door Processing Machinery     near me manufacturer China Best Sales CNC Drilling Machine for Window and Door Processing Machinery     near me manufacturer

China Professional CNC Machining Drive Pump Shaft for Mining Machinery in Stainless Steel CD4/316/4140 with Hot selling

Product Description

Product Information:
 

Product Name CNC Machining Drive Pump Shaft for Mining Machinery in Stainless Steel CD4/316/4140
Material Stainless Steel, Carbon Steel, Alloy Steel,etc.
Material Grade GB, ASTM, AISI, DIN, BS, JIS, NF
Process CNC Machining, Auto Lathe Machining, Meter Lathe Machining, Wire Cutting, EDM Cutting, Gringding, Milling, Drilling, Screwing, Cutting, Stamping
Tolerance CT-9+/-0.005mm
Surface treatment Blacking, Polishing, anodize, Chrome Plating, Zinc Plating, Nickel Plating or other as requirements.
Inspection 3D Coordinator, Hardness tester, Roughness tester, Caliper etc.
Company Certificate GB/T 19001-2008,ISO 9001:2008; BV;
Graded as TOP A company in Chinese Customs Classification Management which means the highest reputation and trustful company for exporting.
Packing 1. Small part, single packed then put into paper carton then to crate.
2. Poly wooden crates suitable for shipping on the sea.
3. Welding steel crate. The size and steel thickness is according to the product dimension and weight.
4. We also consider customers’ special needs for packing.
Delivery 30days after receiving the deposit
Payment 50%TT in advance and the balance is paid against the copy of B/L.

Company Presentation:

1. Our factory HangZhou CZPT Machinery Manufacturing Co., Ltd has been verified by the French Bureau Veritas of ISO9001:2008 quality system certification, whose export department HangZhou CZPT International Trade Co., Ltd is graded as TOP A company in Chinese Customs Classification Management which means the hightest reputation and trustful company.

2. Our factory devotes to lost wax casting, sand casting and lost foam casting for many years. Our products include counter weight iron, pump parts, diffuser, mining equipment spare parts(such as shaft), and they are exported to the USA, Canada, Sweden, Israel, Hungary, Guyana, Mexico, South Korea, Indonesia, etc and win the high reputation.

Product Pictures:

Manufacture Craft:
 

Caft  Clarify Process Material
Lost Wax Casting silicon colloidal moulding Stainless steel, carbon steel, titanium alloy, high chrome, cast iron, bronze, ductile iron brass, etc.
pouring
waterglass bonded machining
testing
Sand Casting resin sand craft moulding Stainless steel, carbon steel, titanium alloy, high chrome, cast iron, bronze, ductile iron brass, etc.
pouring
silicate bonded sand craft machining
testing
composite shell    
Lost Foam Casting   moulding Stainless steel, carbon steel, titanium alloy, high chrome, cast iron, bronze, ductile iron brass, etc.
pouring
machining
testing

Manufacture Process Pictures:

Equipment and Testing:

Certificate:

Exhibition:

Packing Methods:
 

                       Packing Methods
Small part, single packed then put into paper carton then to crate.
1. Generally use poly wooden crates for package.
Minimum poly wooden board thickness: 20mm
Steel band: 19× 0.5mm or 15× 0.5mm
Common crate size is less than 1200X1000X1000mm
2. For the very big part, use welding steel crate. The size and steel thickness is according to the product dimension and weight.
3. Large size and large quantity part, put into container directly.
4. We also consider customers’ special needs for packing

Packing Pictures:

 

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

China Professional CNC Machining Drive Pump Shaft for Mining Machinery in Stainless Steel CD4/316/4140     with Hot sellingChina Professional CNC Machining Drive Pump Shaft for Mining Machinery in Stainless Steel CD4/316/4140     with Hot selling

China Standard 4 Axis Precision Machining CNC Turning Milling Spindle CZPT Clamp Hose Fitting Bushing Sleeve Knurling Auto Car Machinery Cylinder Connector CZPT Spare Part with high quality

Product Description

Company Profile

Company Profile

HangZhou Xihu (West Lake) Dis. Gain Machinery Co., Ltd., is a manufacture of precision machining from steel plates, castings & closed die forgings. It is founded in 2571 year, covers a total area of about 2000 square meters.
Around 50 people are employed, including 4 engineers.

The company equipped with 10 oblique CZPT CNC Lathes, 35 normal CNC lathes, 6 machining centers, other milling machines and drilling machines.

The Products cover construction parts, auto parts, medical treatment, aerospace, electronics and other fields, exported to Japan, Israel & other Asian countries and Germany, the United States, Canada & other European and American countries.

Certificated by TS16949 quality management system.

Equipment Introduction

Main facility and working range, inspection equipment as follow

4 axles CNC Machine Center 1000mm*600mm*650mm
Oblique Xihu (West Lake) Dis. CNC Machine max φ800mm
max length 700mm
Tolerance control within 0.01
One time clamping, high accuracy
Turning-milling Compound Machining Center max φ800mm
max length 1000mm
Other CNC Lathe Total 30 sets
Inspection Equipment CMM, Projector, CZPT Scale, Micrometer
Profiloscope, Hardness tester and so on

Oblique Xihu (West Lake) Dis. CNC Lathe

Equipped with 10 sets of oblique CZPT CNC Lathes The maximum diameter can be 400-500 mm Precision can reach 0.01mm

Machining Center

6 sets of 4 axles machining center, max SPEC: 1300*70mm, precision can reach 0.01mm

About Products

Quality Control

 

We always want to be precise, so check dimensions after each production step. We have senior engineers, skilled CNC operator, professional quality inspector. All this makes sure the final goods are high qualified.

Also can do third parity inspection accoring to customer’s reequirments, such as SGS, TUV, ICAS and so on.

Callipers/Height guage
Thread guage
Go/ no go guage
Inside micrometer
Outside micrometer
Micron scale

CMM
Projector
Micrometer
Profiloscope
Hardness tester

 

 

Inspection Process

 

1. Before machining, the engineer will give away the technology card for each process acc. to drawing for quality control.
2. During the machining, the workers will test the dimensions at each step, then marked in the technology card.
3. When machining finished, the professional testing personnel will do 100% retesting again.

 

Packing Area

 

In general, the products will be packed in bubble wrap or separated by plywoods firstly.
Then the wrapped products will be put in the wooden cases (no solid wood), which is allowed for export.
Parts can also be packed acc. to customer’s requirement.

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

China Standard 4 Axis Precision Machining CNC Turning Milling Spindle CZPT Clamp Hose Fitting Bushing Sleeve Knurling Auto Car Machinery Cylinder Connector CZPT Spare Part     with high qualityChina Standard 4 Axis Precision Machining CNC Turning Milling Spindle CZPT Clamp Hose Fitting Bushing Sleeve Knurling Auto Car Machinery Cylinder Connector CZPT Spare Part     with high quality

China manufacturer Wg2210040207 Sinotruk/HOWO Heavy Duty Machinery Spare Part Reverse Gear/Spindle Reverse Gear near me factory

Product Description

COMPANY   INTRODUCTION 
HangZhou GARRISON POWER TECHNOLOGYCO,LTD. is located in HangZhou, China and started the business of CZPT spare parts since 2006, as the dealer of CZPT spare parts we offer the full range of spare parts for CZPT vehicles like CZPT series, A7 series, Golden prince series,Sitrak series. At the same time, we also deal heavy machinery spare parts for HITACHI,SHXIHU (WEST LAKE) DIS.l.

Our strength is that we got professional study of CZPT vehicle and specialize in the spare parts support service for the Engine Gearbox, Axle, Chassis and Cabin and all of the rest, there are more than 200 OEM suppliers of CZPT are in the partnership with us which help us to offer the accurate high-quality original spare parts to our client and end-users at competitive price in short delivery period.
The principle we always hold since the founding of our business is that to promote the success of client to help the team members grow up and achieve the development of our cause.The benefit of client is the basis of our company running policy which is also the foundation for mutual benefit success with our client.

SPARE  PART  INFORMATION 
 

SINOTRUK CZPT TRUCK SPARE PART
Product Dess Reverse gear
OEM No.: WG221057117
Truck Model: Heavy Duty Machinery
Quality: Original
Packing: Standard
Certificate: ISO9001
MOQ: 1 Piece
Payment:  L/C, T/T,Western Union, Paypal,


WAREHOUSE  AND  DELIVERY

 

FAQ

Q1: what’s your terms of payment?
A: Generally, 30% advance by T/T, and 70% after send you Bill of Lading scan copy. 

Q2: How to confirm the accuracy of the spare parts?
A: Before delivery, we will show you the images of the products to confirm. If there are some problems, we will replace in time.

Q3: How to deal with the situation of force majeure damage after the product arrives?
A: When the product arrives, confirmed by the local authorized testing agency, we will provide you with new spare part free of charge.

Q4: How long will the preparing time be?
A: As for the common part of SINOTRUK, it usually take 3 to 7 days to prepare.

Q5: How long will the delivery time be?
A: Generally, it will take 15-30 days after receiving your advance payment. 

OTHERS

CONTACT

COMPANY NAME: HangZhou GARRISON POWER TECHNOLOGYCO,LTD.
Parts Manager: Ellanna Wang
  
  
   
  

 

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China manufacturer Wg2210040207 Sinotruk/HOWO Heavy Duty Machinery Spare Part Reverse Gear/Spindle Reverse Gear     near me factory China manufacturer Wg2210040207 Sinotruk/HOWO Heavy Duty Machinery Spare Part Reverse Gear/Spindle Reverse Gear     near me factory

China factory Q+T Alloy Steel Round Bar1.7225/SAE4140 for Machinery wholesaler

Product Description

Alloy Steel Round Bar 1.7225/SAE4140 For Machinery Q+T

Product Introduction
AISI 4140 Steel Bar, Steel Plate, Flats Supplier, Stockist and Exporter. AISI SAE 4140 alloy steel is a chromium molybdenum alloy steel specification widely used in general purpose high tensile steel for components, like axles, shafts, bolts, gears and other applications. Similar to alloy grade AISI 4130 chrome moly alloy steel but with a slightly higher carbon content. The higher carbon content of AISI 4140 steel gives greater strength and heat treatment capabilities in comparison to AISI / ASTM 4130 alloy steels, however it does have inferior weldability characteristics.

Equal Grades(numbers)

Country USA German British Japan China Australia
Standard ASTM A29 DIN 17200 BS 970 JIS G4105 GB/T 3077 AS 1444
Grades 4140 1.7225/
42crmo4
42CrMo4 SCM440 42CrMo 4140

Chemical Composition

Standard Grade C Mn P S Si Cr Mo
ASTM A29 4140 0.38-0.43 0.75-1.00 0.035 0.040 0.15-0.35 0.8-1.10 0.15-0.25
EN 15710 42CrMo4/
1.7224
0.38-0.45 0.6-0.9 0.035 0.035 0.4 0.9-1.2 0.15-0.30
JIS G4105 SCM440 0.38-0.43 0.60-0.85 0.03 0.03 0.15-0.35 0.9-1.2 0.15-0.30

 

Mechanical Properties Metric Imperial
Tensile strength 655 MPa 95000 psi
Yield strength 415 MPa 65710 psi
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Elastic modulus 190-210 GPa 27557-3 0571 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 25.70% 25.70%
Hardness, Brinell 197 197
Hardness, Knoop (converted from Brinell hardness) 219 219
Hardness, Rockwell B (converted from Brinell hardness) 92 92
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) 13 13
Hardness, CZPT (converted from Brinell hardness) 207 207
Machinability (based on AISI 1212 as 100 machinability) 65 65

Forging
Preheat the steel carefully, heat to 1150 oC – 1200 oC maximum, hold until temperature is uniform throughout the section.
Do not forge below 850 oC.Following forging operation the work piece should be cooled as slowly as possible.

 Heat Treatment

  • Annealing
    Heat ASTM 4140 steels to 800 oC – 850 oC, hold until temperature is uniform throughout the section and cool in furnace.
  • Normalizing
    Heat steel alloy 4140 to 870 oC – 900 oC, hold until temperature is uniform throughout the section, soak for 10 – 15 minutes and cool in still air.
  • Tempering
    Re-heat 4140 grade steel to 550 oC – 700 oC as required, hold until temperature is uniform throughout the section, soak for 1 hour per 25 mm of section, and cool in still air.

Hardening 

AISI alloy 4140 steel bar, plate and square can be hardened by cold working, or heating and quenching.
SAE 4140 alloy steel is usually supplied ready heat treated to hardness in 18-22 HRC. If further heat treatment is required, then heat to 840 oC – 875 oC, hold until temperature is uniform throughout the section, soak for 10 – 15 minutes per 25 mm section, and quench in oil, water, or polymer as required.

Application 

ASTM alloy 4140 steel bar, flat or plate material can be used for as wide variety of applications where greater toughness and wear resistance is needed over lower carbon grades. Typical applications for 4140 tool steel uses include Components, Adapters, Arbors,strippers, holder blocks, mold bases, ejectors, back up and support tooling, fixtures, jigs, molds, cams, drill collars, Axle Shafts, Bolts, Crankshafts,stubs, couplings, reamer bodies, axles, shafting, piston rods, rams, hydraulic machinery shafts, gears, sprockets, gear racks, chain links, spindles, tool bodies, tool holders, tie rods, Connection Rods, Chuck Bodies, Collets, Conveyor Pins & Rolls, Ejector Pins, Forks, Gears, Xihu (West Lake) Dis. Rods, Hydraulic Shafts & Parts,Lathe Spindles, Logging Parts, Milling Spindles, Motor Shafts, Nuts, Pinch Bars, Pinions, Pump Shafts,boring bars,tracks, slides, wear strips or parts, forming dies, brake dies, trim dies, bolsters, machinery parts and components, etc.
Welcome customers to inquiry AISI 4140 steel bar, plate, flat steel for the 4140 steel price. We are professional supplier and exporter for more than 20 years. We offer you worldwide solution for aisi alloy 4140 steel bar.

Available Sizes in Stock 

Steel Grade Diameter(mm) Length(mm) Harness(HRC)
SCM440/SAE4140 16,18,20,23,25,28,30,33,35,38,40,43,45,48,50,                                                             55,60,65,70,75,80,85,90,95,100,110,120,130,140,               150,160,170,180,190,200,210,220,230,240,250,260,                            270,280,290,300,310,320,330,340,350,360,370,380,    390,400,410,420,430,440,450 4000-10000 HB160-220

More Picutres

Workshop

 

 
About us :
HK CZPT STEEL  Was established in 2012, located in the Xihu (West Lake) Dis. District of ZheJiang Province, It is an import and export trading company mainly engaged in advanced special steel, die steel, alloy steel, and steel processing general machinery and equipment. The company adheres to the concept of “high quality, high requirements and good faith”, 

Cooperating with more than 20 famous steel mills in China, rich in spot stock of products. 

Our company has a variety of processing equipment and all kinds of inspection and testing equipment, such as horizontal sawing machine, vertical sawing machine, milling machine, bilateral milling machine, precision milling machine, plane grinder and so on. The products with short producing time, excellent quality and high precision can provide a high-quality product choice for the vast number of customers at home and abroad. 

Our customer group spread all over the domestic provinces and cities, abroad including Europe, the United States, Australia, the Middle East, Southeast Asia and other more than 20 countries and regions, along with over 100 long-term stable cooperation customers…Choosing Xingxiong will bring you a better experience. 

PLASTIC CZPT STEEL: 1.2311, 1.2312, 1.2738, P20, 1.2083, 1.2316, NAK80, P40, 1.2738HH

HOT WORK CZPT STEEL: 1.2344, SKD61, H13, H11, FDAC, 8407

COLD WORL CZPT STEEL: SKD11, D3, SKS3, 1.2080, 1.2379, CR12MOV, O1, D2

STRUCTURAL ALLOY STEEL: 4140, 20CR, 40Cr, 35CrMo, 42CrMo, 38CrmoAi, SCM440, SCM420, 1.7225

CARBON STEEL &: Q235, Gcr15, S45C, S50C, S55C

CNC surface grinding machine, CNC side boring machine, Band saw, CNC double head machine, Vertical Band saw, CNC milling machine, Double alloy saw blade, wireless remote control crane, Magnetic chuck.
 

 
 
Our Service:
A. Steel plates: Cutting by bandsaw machine, milling, heat treatment, etc
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc

 
 
Stock:

High-quality stock for various steel flat bar and round bar.
Alloy steel / Cold work steel / Hot work steel / Plactic mold steel and Stainless 
Hot sales grade : DC53/ H13 / P20 / SCM440 / Q235,etc.

For more tool and die steel please check the list:

 
Delivery Time

1) For abundant stock, 7-15 days.
2) For customized products, 15-30 days.

Loading Details:

 
FAQ:

Q1: What do you do for the control of the quality?

A1:  Before loading into the container, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per customer’s request.
 

Q2:: What are your hot-selling products?

A2: D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.

Q3: Can we visit your company and factory? 
A3: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come. 

Q4: Are you a manufacturer or merely a trader? 
A4: We are a group of companies and owned manufacturer bases and trading companies. We specialized in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high-speed steel, etc. All materials are of high quality and competitive prices. 
 

Hot sales Product:

1.2344                               SKD11                                       D3                                   DC50

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China factory Q+T Alloy Steel Round Bar1.7225/SAE4140 for Machinery     wholesaler China factory Q+T Alloy Steel Round Bar1.7225/SAE4140 for Machinery     wholesaler

China OEM Machinery Baler Accessories Knotter Spindle Machine Shaft with Best Sales

Product Description

Product Description

 

Specification

item

value

Condition

New

Warranty

3 months

Applicable Industries

Farms, Retail, other

After Warranty Service

Video technical support, Online support

Local Service Location

none

Showroom Location

none

Video outgoing-inspection

Provided

Machinery Test Report

Provided

Marketing Type

Ordinary Product

Type

Hay baler

Use

Cultivators

Place of Origin

China

Brand Name

Creations

Certificate

ISO9001

Packing & Delivery

Generally, we pack your goods in hard brown box for small machine and plywood box for big machine.

Company Profile

 

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FAQ

1. who are we?
We are based in ZheJiang , China, start from 2015,sell to Mid East(42.00%),Eastern Asia(58.00%),Central America(63.00%),Africa(36.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Wheel Hub Spare Part,Baler Machine,Metallurgical Machine Spare Part,Axle Bearing Spare Part,Cast Iron Spare Part

4. why should you buy from us not from other suppliers?
null

5. what services can we provide?
Accepted Delivery Terms: null
Accepted Payment Currency:null;
Accepted Payment Type: null;
Language Spoken:null

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

China OEM Machinery Baler Accessories Knotter Spindle Machine Shaft     with Best SalesChina OEM Machinery Baler Accessories Knotter Spindle Machine Shaft     with Best Sales

China Standard Precison Machining Metal Stainless Steel OEM CNC Turning Milling Auto Car Machinery Shaft Pin Bushing Spindle CZPT Clamp Cylinder Fittings Spare Parts wholesaler

Product Description

Company Profile

Company Profile

HangZhou Xihu (West Lake) Dis. Gain Machinery Co., Ltd., is a manufacture of precision machining from steel plates, castings & closed die forgings. It is founded in 2571 year, covers a total area of about 2000 square meters.
Around 50 people are employed, including 4 engineers.

The company equipped with 10 oblique CZPT CNC Lathes, 35 normal CNC lathes, 6 machining centers, other milling machines and drilling machines.

The Products cover construction parts, auto parts, medical treatment, aerospace, electronics and other fields, exported to Japan, Israel & other Asian countries and Germany, the United States, Canada & other European and American countries.

Certificated by TS16949 quality management system.

Equipment Introduction

Main facility and working range, inspection equipment as follow

4 axles CNC Machine Center 1000mm*600mm*650mm
Oblique Xihu (West Lake) Dis. CNC Machine max φ800mm
max length 700mm
Tolerance control within 0.01
One time clamping, high accuracy
Turning-milling Compound Machining Center max φ800mm
max length 1000mm
Other CNC Lathe Total 30 sets
Inspection Equipment CMM, Projector, CZPT Scale, Micrometer
Profiloscope, Hardness tester and so on

Oblique Xihu (West Lake) Dis. CNC Lathe

Equipped with 10 sets of oblique CZPT CNC Lathes The maximum diameter can be 400-500 mm Precision can reach 0.01mm

Machining Center

6 sets of 4 axles machining center, max SPEC: 1300*70mm, precision can reach 0.01mm

About Products

Quality Control

 

We always want to be precise, so check dimensions after each production step. We have senior engineers, skilled CNC operator, professional quality inspector. All this makes sure the final goods are high qualified.

Also can do third parity inspection accoring to customer’s reequirments, such as SGS, TUV, ICAS and so on.

Callipers/Height guage
Thread guage
Go/ no go guage
Inside micrometer
Outside micrometer
Micron scale

CMM
Projector
Micrometer
Profiloscope
Hardness tester

 

 

Inspection Process

 

1. Before machining, the engineer will give away the technology card for each process acc. to drawing for quality control.
2. During the machining, the workers will test the dimensions at each step, then marked in the technology card.
3. When machining finished, the professional testing personnel will do 100% retesting again.

 

Packing Area

 

In general, the products will be packed in bubble wrap or separated by plywoods firstly.
Then the wrapped products will be put in the wooden cases (no solid wood), which is allowed for export.
Parts can also be packed acc. to customer’s requirement.

The Benefits of Spline Couplings for Disc Brake Mounting Interfaces

Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.

Disc brake mounting interfaces are splined

There are 2 common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.
splineshaft

Aerospace applications

The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions.
The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings.
The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment.
In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance.
CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.
splineshaft

High-performance vehicles

A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are 2 basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems.
The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier.
The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are 3 types of spline couplings.
Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.
splineshaft

Disc brake mounting interfaces

A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment.
Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline.
During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology.
Disc brake couplings are usually made of 2 different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation.
Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.

China Standard Precison Machining Metal Stainless Steel OEM CNC Turning Milling Auto Car Machinery Shaft Pin Bushing Spindle CZPT Clamp Cylinder Fittings Spare Parts     wholesaler China Standard Precison Machining Metal Stainless Steel OEM CNC Turning Milling Auto Car Machinery Shaft Pin Bushing Spindle CZPT Clamp Cylinder Fittings Spare Parts     wholesaler