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China manufacturer High Quality Heavy Duty Lowboy Lowbed Trailer Transport Heavy Machine Low Bed Truck Semi Trailer boat trailer axle

Product Description

Low Bed Semi Trailer, as known as low bed trailer, lowbed trailer, lowboy trailerOur lowbed trailer choose Q345B carbon high-10sile steel material. We adoptworld famous brand of parts, like JOST, CZPT braking valve etc.
The product complies with international standards such as lMDG /ADR /RIDITC/CSC/ ASME / EN, and is applicable to the global shipping, road and railtransportation regulations and standards.

Our Advantages

Why Choose Us

Factory Direct, No Middle Man, No Agency Fees, Therefore Low Price For High Quality Only From Us. Directly Manufactured From Our Own Factory, Can Be Customized For Various Needs Cutting Edge Automation Equipment Adopted In The Factory, Improved Quality From Traditional Production Methods Light Weight Of The Whole Vehicle, Guaranteed Anti Distortion, Anti-seismic And Anti Bumping Steel Welded By Automatic Submerged Arc Process, Connection Spots Look Flawless, More Solid And Durable Compared With Traditional Manual Ways. Cover Painting Is More Sustainable, Corrosion-resistant, Uniform And Smooth, Using Sand Blasting Powder Painting Process

Product Description

Detailed Photos

Product Parameters

4 line 8 axles LOWBED SEMI TRAILER

Model Number

WHLDM-1015008

Outside Dimensions

13500x2500x1500 (mm) (LxWxH) (Other Dimension Optional)

Rated Load

90-120T

Tare Weight

9900 kg

Usage

For heavy duty machine, as transformer, crane, excavator transportation.

Wheel Base

8310+13101310 (mm)

Axle Brand

13t X CZPT Brand

No. Of the Axles

8

Tyre Specifications

10.00R20

No. Of the Tyres

32 pcs , Triangle brand

Pieces of leaf-spring

10pcs *90 *16mm

Suspension

Heavy Duty Leaf Spring

Front/Rear Overhang

1950 mm

Floor

3mm management plate

Tool Box

1 box of standard tools

Spare tire carrier

2 sets

Main Beam Material

Q345B/ST52-3 manganese plates, automatic submerged arc,

Main-beam Height 500mm,

Lower flange: 20mm

Upper flange: 20mm

Mid Web: 12mm

Brake Air Chamber

Four double and 2 single chamber

The traction pin

2′ & 3.5′ inter-changeable

Pin Height

According to the height of the tractor saddle.

Electrical System

24V, 7core socket, lights according to European standards.

Brake System

Dual Lines Braking System With Automatic Air Chambers

Color and Logo

Depends on the buyer’s requirement.

Place of Origin

Xihu (West Lake) Dis., China

Company Profile

Xihu (West Lake) Dis. Xinrun Trading Co., Ltd. is an integrated enterprise of industry and trade, established in 2571, located in Xihu (West Lake) Dis. County, HangZhou City, ZheJiang Province. The company is mainly engaged in the import and export of trailer accessories such as trailers, semi-trailers, dump trailers, axles, chemical equipment, and other goods, automobile sales, retail of automobile parts, second-hand car brokerage, mechanical equipment sales, and metal material sales; Selling construction machinery and retail hardware products; Special equipment sales; Wholesale of hardware products; Motor vehicle repair and maintenance; Tire sales; Sales of pharmaceutical specific equipment. The company values professionalism, integrity, and trustworthiness as its core values. Looking forward to cooperating with you!
                                                      Production Process

 

Packaging & Shipping

FAQ

Q1: Does your company is a factory or trade company? 
A1: We have a factory ourself,we are on this business for few years in China. Our factory is very famous in the ZheJiang China. 

Q2: Whats the qualify assurance we provided and how do we control quality?
A2: Established a procedure to check products at all stages of the manufacturing process-raw materials,process materials,validated or tested materials finished goods ect. Beside,we have also developed a procedure which identifies the inspection and test status of all items at all stages of the manufacturing process. 100% inspection in assembly lines. All controls, inspections,equipment,fixtures,total production resources and skills are inspected to ensure they consistently achieve the required quality levels.

Q3: What’s your MOQ?
A3: One unit trailer or truck. 

Q4: How do you transport the semi trailers ?
A4: We transport the vehicle by bulk or container. Our factory possess long -term cooperation with ship agency which can provide you lowest shipping fee.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: One Years
Warranty: One Years
Type: Semi-Trailer
Load Capacity: 50T
Certification: ISO9001, CCC, ISO/TS16949
Wheel Base: 8000-9000mm
Samples:
US$ 5800/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

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

How do axle ratios impact the performance and fuel efficiency of a vehicle?

The axle ratio of a vehicle plays a crucial role in determining its performance characteristics and fuel efficiency. Here’s a detailed explanation of how axle ratios impact these aspects:

Performance:

The axle ratio refers to the ratio of the number of rotations the driveshaft makes to the number of rotations the axle makes. A lower axle ratio, such as 3.23:1, means the driveshaft rotates 3.23 times for every rotation of the axle, while a higher ratio, like 4.10:1, indicates more driveshaft rotations per axle rotation.

A lower axle ratio, also known as a numerically higher ratio, provides better low-end torque and acceleration. This is because the engine’s power is multiplied as it goes through the gears, resulting in quicker acceleration from a standstill or at lower speeds. Vehicles with lower axle ratios are commonly found in trucks and performance-oriented vehicles where quick acceleration and towing capacity are desired.

On the other hand, a higher axle ratio, or numerically lower ratio, sacrifices some of the low-end torque for higher top-end speed and fuel efficiency. Vehicles with higher axle ratios are typically used in highway driving scenarios where maintaining higher speeds and maximizing fuel efficiency are prioritized.

Fuel Efficiency:

The axle ratio directly affects the engine’s RPM (revolutions per minute) at a given vehicle speed. A lower axle ratio keeps the engine running at higher RPMs, which may result in increased fuel consumption. However, this ratio can provide better towing capabilities and improved off-the-line acceleration.

In contrast, a higher axle ratio allows the engine to operate at lower RPMs during cruising speeds. This can lead to improved fuel efficiency because the engine doesn’t have to work as hard to maintain the desired speed. It’s worth noting that other factors, such as engine efficiency, aerodynamics, and vehicle weight, also influence fuel efficiency.

Manufacturers carefully select the axle ratio based on the vehicle’s intended purpose and desired performance characteristics. Some vehicles may offer multiple axle ratio options to cater to different driving preferences and requirements.

It’s important to consider that changing the axle ratio can have implications on the overall drivetrain system. Modifying the axle ratio can affect the vehicle’s speedometer accuracy, transmission shifting points, and may require recalibration of the engine control unit (ECU) to maintain optimal performance.

As always, for precise information on a specific vehicle’s axle ratio and its impact on performance and fuel efficiency, it is best to consult the vehicle manufacturer’s specifications or consult with automotive experts.

axle

Can you explain the importance of axle alignment for vehicle stability and handling?

Axle alignment plays a crucial role in ensuring vehicle stability and handling characteristics. Proper alignment of the axles is essential for maintaining optimal tire contact with the road surface, minimizing tire wear, maximizing traction, and promoting safe and predictable handling. Here are the key reasons why axle alignment is important:

  1. Tire Wear and Longevity:
  2. Correct axle alignment helps distribute the vehicle’s weight evenly across all four tires. When the axles are properly aligned, the tires wear evenly, reducing the risk of premature tire wear and extending their lifespan. Misaligned axles can cause uneven tire wear patterns, such as excessive wear on the inner or outer edges of the tires, leading to the need for premature tire replacement.

  3. Optimal Traction:
  4. Proper axle alignment ensures that the tires maintain optimal contact with the road surface. When the axles are aligned correctly, the tires can evenly distribute the driving forces, maximizing traction and grip. This is particularly important during acceleration, braking, and cornering, as proper alignment helps prevent tire slippage and improves overall vehicle stability.

  5. Steering Response and Stability:
  6. Axle alignment directly affects steering response and stability. When the axles are properly aligned, the vehicle responds predictably to driver inputs, providing precise and accurate steering control. Misaligned axles can lead to steering inconsistencies, such as pulling to one side or requiring constant correction, compromising vehicle stability and handling.

  7. Reduced Rolling Resistance:
  8. Proper axle alignment helps reduce rolling resistance, which is the force required to move the vehicle forward. When the axles are aligned correctly, the tires roll smoothly and effortlessly, minimizing energy loss due to friction. This can contribute to improved fuel efficiency and reduced operating costs.

  9. Vehicle Safety:
  10. Correct axle alignment is crucial for ensuring vehicle safety. Misaligned axles can affect the vehicle’s stability, especially during emergency maneuvers or sudden lane changes. Proper alignment helps maintain the intended handling characteristics of the vehicle, reducing the risk of loss of control and improving overall safety.

To achieve proper axle alignment, several key parameters are considered, including camber, toe, and caster angles. Camber refers to the vertical tilt of the wheel when viewed from the front, toe refers to the angle of the wheels in relation to each other when viewed from above, and caster refers to the angle of the steering axis in relation to vertical when viewed from the side. These alignment angles are adjusted to meet the vehicle manufacturer’s specifications and ensure optimal performance.

It’s important to note that factors such as road conditions, driving habits, and vehicle modifications can affect axle alignment over time. Regular maintenance and periodic alignment checks are recommended to ensure that the axles remain properly aligned, promoting vehicle stability, handling, and safety.

China manufacturer High Quality Heavy Duty Lowboy Lowbed Trailer Transport Heavy Machine Low Bed Truck Semi Trailer   boat trailer axleChina manufacturer High Quality Heavy Duty Lowboy Lowbed Trailer Transport Heavy Machine Low Bed Truck Semi Trailer   boat trailer axle
editor by CX 2024-04-04

China Professional 13t 16t American Type Heavy Duty Axle for Semi Trailer a wheel and axle simple machine

Product Description

Trailer parts American type 16t semi trailer axle

Axle-Inboard Drum Series Specifications
Axle Type Max.
Capacity(T)
Track
(mm)
Brake(mm) Bearing (Spring Seat
Installation)
Axle Beam
(mm)
Centre Distance
Of Brake
Chamber(mm)
Wheel Fixing Total Length
(mm)
Recommended
Wheel
Axle
Weight
(kg)
Stud P.C.D(mm) H(mm)
JSS13F1B10 13 2420 φ420×180 HM518445/10 ≥ 1510 150
 
787
 
10×M22×1.5 ISO
 
335
 
280.8
 
~ 2526
 
7.5V-20
 
380
 

Note:
1. Track length L2 is optional
2. Available with ABS system 
3. Automatic slack adjuster is optional 

ZheJiang CZPT Axle Manufacturing Co., Ltd., founded in 2000, is a professional manufacturer of trailer axle assemblies, semi-trailer suspension systems and correlative fittings in China. We are located in Quanpu Industry Zone which is the largest production base of trailers in China, in Xihu (West Lake) Dis., the famous scenic spot. We are 1 of specialized enterprises in the scientific research, design, production and sale, with more than 300 skilled employees and professional designers for different areas. We adopt the domestic and international technical standards in production, accurately grasp the information of the market demand and make quick and optimal designs. In this way, our axle, suspension and other fittings have the world-class technical quality through reasonable and advanced manufacture technologies. Our advanced processing technology, first-class production line and precision CNC machining equipment from home and abroad ensure the good quality of our semi-trailer axle assemblies, suspension systems and other correlative fittings. At the same time, our annual capacity for the export of American and German semi-trailer axle assemblies has achieved 60, 000 pieces and of suspension assemblies has achieved 50, 000 sets. We obtained the ISO9001: 2000 International Quality Management System Certification in 2003 and TS16949 Certification in 2007. “First-class product quality, the meticulous and thoughtful service, and CZPT cooperation” is the philosophy that we always cherish. We not only meet the domestic market demand, but also export our products to Southeast Asia, the Middle East, Latin America and other countries, enjoying a good reputation. We always regard quality as life, and client as God. We will create a brilliant tomorrow with your sincere cooperation and support. 1. What’s your advantage?

  First we are manufacturer, we own professinal technology & quality control team; excellent team for foreign trade plus a rich expertise in trading.

2. What kinds of mainly products do you manufacture?

 We are a professional manufacturer of trailer axle assemblies, semi-trailer suspension systems and correlative fittings in China.
 
 3. Can you send me samples for testing?

  Certainly! We’d like to provide the samples free of charge, but for the freight, pls kindly bear it.

 4. How long do you finish a mew product?

  Usually 20~35days once all information confirmed.
 

 

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 24 Hours Online
Condition: New
Axle Number: 2
Application: Trailer
Certification: CE, ISO
Material: Iron
Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

axle

What are the key differences between live axles and dead axles in vehicle design?

In vehicle design, live axles and dead axles are two different types of axle configurations with distinct characteristics and functions. Here’s a detailed explanation of the key differences between live axles and dead axles:

Live Axles:

A live axle, also known as a solid axle or beam axle, is a type of axle where the wheels on both ends of the axle are connected and rotate together as a single unit. Here are the key features and characteristics of live axles:

  1. Connected Wheel Movement: In a live axle configuration, the wheels on both ends of the axle are linked together, meaning that any movement or forces applied to one wheel will directly affect the other wheel. This connection provides equal power distribution and torque to both wheels, making it suitable for off-road and heavy-duty applications where maximum traction is required.
  2. Simple Design: Live axles have a relatively simple design, consisting of a solid beam that connects the wheels. This simplicity makes them durable and capable of withstanding heavy loads and rough terrains.
  3. Weight and Cost: Live axles tend to be heavier and bulkier compared to other axle configurations, which can impact the overall weight and fuel efficiency of the vehicle. Additionally, the manufacturing and maintenance costs of live axles can be lower due to their simpler design.
  4. Suspension: In most cases, live axles are used in conjunction with leaf spring or coil spring suspensions. The axle is typically mounted to the vehicle’s chassis using leaf springs or control arms, allowing the axle to move vertically to absorb bumps and provide a smoother ride.
  5. Off-road Capability: Live axles are commonly used in off-road vehicles, trucks, and heavy-duty applications due to their robustness, durability, and ability to deliver power to both wheels simultaneously, enhancing traction and off-road performance.

Dead Axles:

A dead axle, also known as a dummy axle or non-driven axle, is a type of axle that does not transmit power to the wheels. It is primarily used to provide support and stability to the vehicle. Here are the key features and characteristics of dead axles:

  1. Independent Wheel Movement: In a dead axle configuration, each wheel operates independently, meaning that the movement or forces applied to one wheel will not affect the other wheel. Each wheel is responsible for its own power delivery and traction.
  2. Weight Distribution: Dead axles are often used to distribute the weight of the vehicle more evenly, especially in cases where heavy loads need to be carried. By adding an extra axle without driving capability, the weight can be distributed over a larger area, reducing the load on other axles and improving stability.
  3. Steering: Dead axles are commonly used as front axles in vehicles with rear-wheel drive configurations. They provide support for the front wheels and allow for steering control. The steering is typically achieved through a separate mechanism, such as a steering linkage or a steering gear.
  4. Reduced Complexity: Dead axles are simpler in design compared to live axles since they do not have the additional components required for power transmission. This simplicity can lead to lower manufacturing and maintenance costs.
  5. Efficiency and Maneuverability: Dead axles are often used in vehicles where power delivery to all wheels is not necessary, such as trailers, certain types of buses, and some light-duty vehicles. By eliminating the power transmission components, these vehicles can achieve better fuel efficiency and improved maneuverability.

It’s important to note that the choice between live axles and dead axles depends on the specific application, vehicle type, and desired performance characteristics. Vehicle manufacturers consider factors such as load capacity, traction requirements, off-road capability, cost, and fuel efficiency when determining the appropriate axle configuration for a particular vehicle model.

axle

How do axle ratios impact the performance and fuel efficiency of a vehicle?

The axle ratio of a vehicle plays a crucial role in determining its performance characteristics and fuel efficiency. Here’s a detailed explanation of how axle ratios impact these aspects:

Performance:

The axle ratio refers to the ratio of the number of rotations the driveshaft makes to the number of rotations the axle makes. A lower axle ratio, such as 3.23:1, means the driveshaft rotates 3.23 times for every rotation of the axle, while a higher ratio, like 4.10:1, indicates more driveshaft rotations per axle rotation.

A lower axle ratio, also known as a numerically higher ratio, provides better low-end torque and acceleration. This is because the engine’s power is multiplied as it goes through the gears, resulting in quicker acceleration from a standstill or at lower speeds. Vehicles with lower axle ratios are commonly found in trucks and performance-oriented vehicles where quick acceleration and towing capacity are desired.

On the other hand, a higher axle ratio, or numerically lower ratio, sacrifices some of the low-end torque for higher top-end speed and fuel efficiency. Vehicles with higher axle ratios are typically used in highway driving scenarios where maintaining higher speeds and maximizing fuel efficiency are prioritized.

Fuel Efficiency:

The axle ratio directly affects the engine’s RPM (revolutions per minute) at a given vehicle speed. A lower axle ratio keeps the engine running at higher RPMs, which may result in increased fuel consumption. However, this ratio can provide better towing capabilities and improved off-the-line acceleration.

In contrast, a higher axle ratio allows the engine to operate at lower RPMs during cruising speeds. This can lead to improved fuel efficiency because the engine doesn’t have to work as hard to maintain the desired speed. It’s worth noting that other factors, such as engine efficiency, aerodynamics, and vehicle weight, also influence fuel efficiency.

Manufacturers carefully select the axle ratio based on the vehicle’s intended purpose and desired performance characteristics. Some vehicles may offer multiple axle ratio options to cater to different driving preferences and requirements.

It’s important to consider that changing the axle ratio can have implications on the overall drivetrain system. Modifying the axle ratio can affect the vehicle’s speedometer accuracy, transmission shifting points, and may require recalibration of the engine control unit (ECU) to maintain optimal performance.

As always, for precise information on a specific vehicle’s axle ratio and its impact on performance and fuel efficiency, it is best to consult the vehicle manufacturer’s specifications or consult with automotive experts.

axle

How do solid axles differ from independent axles in terms of performance?

When comparing solid axles and independent axles in terms of performance, there are several key differences to consider. Both types of axles have their advantages and disadvantages, and their suitability depends on the specific application and desired performance characteristics. Here’s a comparison of solid axles and independent axles:

Aspect Solid Axles Independent Axles
Load-Bearing Capability Solid axles have high load-bearing capability due to their robust and sturdy construction. They can handle heavy loads and provide excellent stability, making them suitable for off-road vehicles, heavy-duty trucks, and towing applications. Independent axles typically have lower load-bearing capability compared to solid axles. They are designed for lighter loads and offer improved ride comfort and handling characteristics. They are commonly used in passenger cars, sports cars, and vehicles with a focus on maneuverability and road performance.
Wheel Articulation Solid axles have limited wheel articulation due to their connected and rigid design. This can result in reduced traction and compromised wheel contact with the ground on uneven terrain. However, solid axles provide excellent traction in situations where the weight distribution on all wheels needs to be maintained, such as in off-road or rock-crawling applications. Independent axles offer greater wheel articulation as each wheel can move independently of the others. This allows the wheels to better conform to uneven terrain, maximizing traction and maintaining contact with the ground. Independent axles provide improved off-road capability, enhanced handling, and better ride comfort.
Ride Comfort Due to their rigid design, solid axles generally provide a stiffer and less compliant ride compared to independent axles. They transmit more road shocks and vibrations to the vehicle’s occupants, resulting in a rougher ride quality. Independent axles are known for providing better ride comfort. Each wheel can react independently to road imperfections, absorbing shocks and vibrations more effectively. This leads to a smoother and more comfortable ride, particularly on paved roads and surfaces with minor irregularities.
Handling and Stability Solid axles offer excellent stability due to their connected nature. They provide better resistance to lateral forces, making them suitable for high-speed stability and towing applications. However, the rigid axle design can limit overall handling and maneuverability, particularly in tight corners or during quick direction changes. Independent axles generally offer improved handling and maneuverability. Each wheel can react independently to steering inputs, allowing for better cornering performance and agility. Independent axles are commonly found in vehicles where precise handling and responsive steering are desired, such as sports cars and performance-oriented vehicles.
Maintenance and Repair Solid axles are relatively simpler in design and have fewer moving parts, making them easier to maintain and repair. They are often more resistant to damage and require less frequent servicing. However, if a component within the axle assembly fails, the entire axle may need to be replaced. Independent axles are typically more complex in design and have multiple moving parts, such as control arms, CV joints, or bearings. This complexity can result in higher maintenance and repair costs. However, if a failure occurs, only the affected component needs to be replaced, reducing repair expenses compared to replacing the entire axle.

It’s important to note that advancements in suspension and axle technologies have resulted in various hybrid systems that combine features of solid and independent axles. These systems aim to provide a balance between load-bearing capability, wheel articulation, ride comfort, and handling performance based on specific application requirements.

In summary, solid axles excel in load-bearing capability, stability, and durability, making them suitable for heavy-duty applications and off-road conditions. Independent axles offer improved ride comfort, better wheel articulation, enhanced handling, and maneuverability, making them suitable for passenger cars and vehicles focused on road performance. The choice between solid axles and independent axles depends on the specific needs and priorities of the vehicle or machinery.

China Professional 13t 16t American Type Heavy Duty Axle for Semi Trailer   a wheel and axle simple machineChina Professional 13t 16t American Type Heavy Duty Axle for Semi Trailer   a wheel and axle simple machine
editor by CX 2024-03-11

China best Mining Machine Spiral Classifier for Heavy Sand Mineral Washing near me supplier

Product Description

Product Description

Introduction:
Clean Sand Machine is widely used to combine with the ball grinder in a closed circulation for ore sand separation in the ore separation plant., classify ore sand and fine silt in the gravity separation plant, classify the granularity from the pulp in the metal ore beneficiation flow and remove the slime and water in the ore washing process.

The Sand Washing Machine can class the finely milled materials by particle size, fine particles suspended in the water become into the overflow outflow, coarse particles sink to bottom, by the screw pushing into the upper and return to grinding machine, the machine is also used to separate fine clay in the minerals and used for ores dehydration.

Application:
Our spiral classifiers are widely used in the distribution of ore in closed circuits with ball mills, grading ore and fine slit in gravity mills, grading granularity and flow of metal ore-dressing, and de-sliming and dehydrating in washing.

Features:
This product features simple structure, reliable working conditions and convenient operation. Because different grains have different specific gravity and sedimentation rates in liquid, this product allows the fine ore to flow in the water, while coarse ore sinks to the bottom.
This classifier can filter materials and send coarse materials to the feeding mouth and discharge fine materials from the pipe. The seat of the machine features channel steel material, while the body is armor plated and the spiral axle is made of cast iron for durability. The machines lifting equipment can be used manually or electronically

Product Parameters

 

Model

Spiral diameter

(mm)

Feed size

(mm)

Water consumption

(m3/h)

Capacity

(t/h)

Power

(kw)

Dimension

(mm)

Weight(T)

XL-508

508

<10

6~60

20

5.5

8000*2343*1430

2.67

XL-610

610

<10

6~63

40-50

7.5

8000*2050*1400

3.80

XL-762

762

<10

9~63

50-75

11

8545*2650*3862

5.23

XL-915

915

<10

10-80

100

11

8500*2810*3600

6.27

2XL-915

915

<10

20~160

200

2*11

8420*3765*3960

11.11

XL-1115

1115

<10

20~150

175

15

1 0571 *3945*4720

10.18

2X1115

1115

<10

40~30

350

2×15

1 0571 *5250*4720

17.94

Our Advantages

Spiral:
It is the main components of this machine, it formed by the main shaft, frame, spiral blades, CZPT iron frame. The frame, spiral blades, linked iron are formed to connected spiral surface, because the shaft is constantly rotating, so the role of helical face is mixing the slurry , make fine particles flow from the overflow weir, coarse mineral particles conveyor from the screw first to discharge port.

 

Cell:
Welded by steel plate and shaped steel, it is the body of screw classier.Lifting mechanism: The movement of machine screw parts is achieved through the cycloid reducer, gear, screw. When classifier stop working, the materials in the water chute will precipitated, in order to avoid damage by precipitation and the transmission will occurs over load when it move again, so must lift the screw spindle from water chute and make it leave the precipitation level, for this design lifting mechanism.

Packaging & Shipping

 

 

Company Profile

ZheJiang HangZhou Mining Machinery Manufactory is a large sized joint-stock enterprise integrated with the scientific research,production and sales of heavy mining machinery. The company have 5 standard heavy industrial workshops covering 80,000 square meters,more than 160 machines used for gold processing,plug welding and assembling with large and medium sizes, and more than 500 works including over 50 administrators with intermediate and senior title and engineering technicians.

 

After Sales Service

-Pre-sale services

Based on the clients’ request and budget, we will offer equipment pictures, working site videos, plant processing diagram, assemble drawings, foundation drawings, and plant layout. Clients are welcome to visit our factory, also our equipment working site from former clients. We will arrange cars, hotels and translators for the visiting customers.
 -Sale services
Our experienced technicians is available on the phone also the internet, clients can get instance guidance by telephone, email, online service anytime, anywhere. As clients’ request, we will send technician to the mine site to CZPT the installation, trial run test, and training operators until the plant works normally.
-After-sale service.
Equipment spares will be offered with manufacturing cost in at least 10 years since the order is placed. To establish long term cooperation, we will regularly call and email our clients, to check the equipment working condition, offer suggestions for maintenance, and if necessary we will pay a visit to clients to solve the problems caused during equipment working.

Standard Length Splined Shafts

Standard Length Splined Shafts are made from Mild Steel and are perfect for most repair jobs, custom machinery building, and many other applications. All stock splined shafts are 2-3/4 inches in length, and full splines are available in any length, with additional materials and working lengths available upon request and quotation. CZPT Manufacturing Company is proud to offer these standard length shafts.
splineshaft

Disc brake mounting interfaces that are splined

There are 2 common disc brake mounting interfaces, splined and center lock. Disc brakes with splined interfaces are more common. They are usually easier to install. The center lock system requires a tool to remove the locking ring on the disc hub. Six-bolt rotors are easier to install and require only 6 bolts. The center lock system is commonly used with performance road bikes.
Post mount disc brakes require a post mount adapter, while flat mount disc brakes do not. Post mount adapters are more common and are used for carbon mountain bikes, while flat mount interfaces are becoming the norm on road and gravel bikes. All disc brake adapters are adjustable for rotor size, though. Road bikes usually use 160mm rotors while mountain bikes use rotors that are 180mm or 200mm.
splineshaft

Disc brake mounting interfaces that are helical splined

A helical splined disc brake mounting interface is designed with a splined connection between the hub and brake disc. This splined connection allows for a relatively large amount of radial and rotational displacement between the disc and hub. A loosely splined interface can cause a rattling noise due to the movement of the disc in relation to the hub.
The splines on the brake disc and hub are connected via an air gap. The air gap helps reduce heat conduction from the brake disc to the hub. The present invention addresses problems of noise, heat, and retraction of brake discs at the release of the brake. It also addresses issues with skewing and dragging. If you’re unsure whether this type of mounting interface is right for you, consult your mechanic.
Disc brake mounting interfaces that are helix-splined may be used in conjunction with other components of a wheel. They are particularly useful in disc brake mounting interfaces for hub-to-hub assemblies. The spacer elements, which are preferably located circumferentially, provide substantially the same function no matter how the brake disc rotates. Preferably, 3 spacer elements are located around the brake disc. Each of these spacer elements has equal clearance between the splines of the brake disc and the hub.
Spacer elements 6 include a helical spring portion 6.1 and extensions in tangential directions that terminate in hooks 6.4. These hooks abut against the brake disc 1 in both directions. The helical spring portion 5.1 and 6.1 have stiffness enough to absorb radial impacts. The spacer elements are arranged around the circumference of the intermeshing zone.
A helical splined disc mount includes a stabilizing element formed as a helical spring. The helical spring extends to the disc’s splines and teeth. The ends of the extension extend in opposite directions, while brackets at each end engage with the disc’s splines and teeth. This stabilizing element is positioned axially over the disc’s width.
Helical splined disc brake mounting interfaces are popular in bicycles and road bicycles. They’re a reliable, durable way to mount your brakes. Splines are widely used in aerospace, and have a higher fatigue life and reliability. The interfaces between the splined disc brake and BB spindle are made from aluminum and acetate.
As the splined hub mounts the disc in a helical fashion, the spring wire and disc 2 will be positioned in close contact. As the spring wire contacts the disc, it creates friction forces that are evenly distributed throughout the disc. This allows for a wide range of axial motion. Disc brake mounting interfaces that are helical splined have higher strength and stiffness than their counterparts.
Disc brake mounting interfaces that are helically splined can have a wide range of splined surfaces. The splined surfaces are the most common type of disc brake mounting interfaces. They are typically made of stainless steel or aluminum and can be used for a variety of applications. However, a splined disc mount will not support a disc with an oversized brake caliper.

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China high quality Large Conventional Heavy Duty Lathe Machine with Grinding Wheel with Free Design Custom

Product Description

Large Heavy Duty Conventional Heavy Duty Roll Turning Grinding Horizontal Lathe Machine
For Turning Roll,Cylinders, Long Shaft,Tire Mold, Railway Parts,Wheel Hub Turbine,Flange,etc

Heavy Duty Horizontal Lathe with Grinding Wheel is specially designed and manufactured by our company is a new design with national patent, which implements national latest standard of machine accuracy and integrates the multi-discipline and multi-category precision manufacturing technology such as electrical, automatic control, hydraulic control and modern mechanical design.

This is the patent certificate about our specially designed and manufactured CNC Lathe with Grinding Function. We also have the lathe with milling & drilling function.

The machine tool structure performance is suitable, the machine tool has high dynamic and static rigidity, long service life, high processing efficiency, reliable function, the operation is convenient and the modelling is beautiful and so on.

This machine is designed by mechatronics, and it has good flexibility. It can be used for turning all kinds of axles, large plane plates and rollers.The machine has large bearing capacity, strong rigidity, beautiful appearance, convenient operation and long service life.It is an ideal equipment for processing all kinds of shaft, large plane plate and roller parts.
 
Machine Introduction
 

  1. This kind of horizontal lathe machine with grinding function can utilize high-speed steel and carbide cutting tools to finish rough or finish turning process for not only the non-ferrous metals like various structure steels, casting steels and irons, but also the external/internal cylindrical / conical/ spherical surfaces  of non-metal materials and all kinds of the surface of curve rotary body. What’s more, it can also realize the constant speed cutting line. It is a professional lathe machine for turning rubber cylinder/rollers. That is an ideal option for rubber roller machining and very popular in the market.
  2. This machine adopts rectangular 4 heavy duty guide rails with high rigidity and stability. We adopts pasting plastic structure between sliding plate and machine bed guide. Besides, this CZPT rail is equipped with elescopic steel metal cover to prevent machining chips into the CZPT rail.
  3. The Main Transmission is driven by the DC variable frequency motor with mechanical 3 speeds to realize stepless speed range of spindle.
  4. The spindle adopts high precision double rows cylindrical roller bearings with adjustable radial clearance. Through optimized design, the larger spindle diameter and the best support span improve the rotation accuracy of spinlde and dynamtic and static strength.
  5. The horizontal structure of cutting tool carriage adopts ball screw, and the longitudinal adopts double teeth rod clearance structure to improve the transmission accuracy.
  6. The tailstock is a kind of overall box structure. The core shaft of sleeve adopts high precision double rows cylindrical roller bearings with adjustable radial clearance, so that the tailstock has high stiffness. The movement of tailstock and sleeve are electrical control with automatic clamping and release.
  7. According to customer’s special request, this kind of lathe can be installed double cutting tool carriages, milling and boring devices. Grinding wheel device,spindle inHangZhou and tool setting device

8. The main drive and feed transmission of this series heavy duty horizontal lathe adopts separate structures. This is a kind of heavy duty horizontal lathe with PLC system.

Our Principle : Maximize Customer’s Profitability under the minimum invest cost.

Application: This series CNC horizontal lathe can utilize high-speed steel and carbide cutting tools to finish rough or finish turning process for not only the non-ferrous metals like various structure steels, casting steels and irons, but also the external/internal cylindrical / conical/ spherical surfaces, thread of non-metal materials and all kinds of the surface of curve rotary body. What’s more, it can also realize the constant speed cutting line.

 
2. Technical Parameters of roll turning grinding lathe machine
 

Name CG61100 CG61125 CG61160 CG61200 CG61250 CG61300
Description   Unit
Max. Swing Over Bed mm 1000 1250 1600 2000 2500 3000
Max. Swing Over the skateboard mm 650 800 1200 1650 1800 2800
Max. Weight of Work-piece T 10 15 20 20 20 40
Max. Length of Work-piece mm 3000-12000
Gears of Spindle Speed / Infinitely Variable Speed/step-less speed
Range of Spindle Speed r/Min 10-300 10-200 10-160 4-80 4-80 1.6-63
Chuck Diameter mm 800 1000 1250 1600 2000 2500
X,Z-Axis Feed Range mm/Min 0-3000
Horizontal Stroke mm 500 625 800 1000 1250 1000
Longitudinal Stroke mm 3000-12000
Main Driving Motor Kw 11 22 45 75 75 75
Cutting Force (Carriage) Kn 4 6 20 40 40 60
Sleeve Diameter of Tailstock mm 180 180 290 290 290 480
Spindle Diameter of tailstock mm 125 125 160 160 160 240

Rermarks: 

1. The above 6 models of Heavy Duty Horizontal Lathe Machine are the standard configurations, we can also design and manufacture customized lathe machines according to the user’s workpiece features. It can be manual or CNC control, both are available. 

2. This series heavy duty horizontal Lathe has been exported to Norway, Thailand, Romania, Iran, Russia, Chile for machining railway parts, automobile parts, mining and metallurgy, shipping building, wind power and other machinery industry. 

3. Package and Shipment of heavy dutu roll turning grinding lathe machine
 

Anti-Rust Oil/ Anti-Corrosive Oil for the whole machine, then wrapping the protective film

Wooden Box Package, or vacumm package is also available according to customer’s special request. 

4. After-sale Service & Maintenance of heavy duty horizontal roll turning grinding lathe machine

1. We provide professional technical training for users’ operators and maintenance staff to enable them to properly use and operate the lathe and carry out normal maintenance.

2. Warranty period: One year after acceptance of the lathe.

3. In case of any quality problem found during operation, the factory will dispatch personnel to the user’s location within 48 hours (domestic users) & within 3 days (Foreign Customer) and the technical staff won’t leave before resolving the malfuntion.

4. The company will freely provide different electrical and mechanical parts for the purchased lathe timely within warranty period.

5. The company will provide lifetime guarantee for the consulting services in terms of application, maintenance, repair, renovation, etc of equipments.

For more details, please feel free to contact us. Thanks!

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Tag: Heavy duty horizontal lathe, roll turning grinding lathe machine, cnc grinding machine, cnc turning lathe, cnc lathe, lathe machine
 

 

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

China high quality Large Conventional Heavy Duty Lathe Machine with Grinding Wheel     with Free Design CustomChina high quality Large Conventional Heavy Duty Lathe Machine with Grinding Wheel     with Free Design Custom

China high quality Wz1250 CNC Heavy Duty Horizontal Machine Tool/Customerized Machine with Good quality

Product Description

Product Description

APPLICATION
WZ series adopts modular design, with advantages of heavy load, high accuracy, efficiency and reliability, rational structure, wide application and convenience operation. Besides the basic functions of common heavy duty horizontal machine tools, it can process conical surface, curve surface, step axle groove and thread. It can also realize milling, drilling and grinding when equipped with different kinds of attachments.lt is mainly applied in industries such as energy, transportation, machinery, for machining shaft of wind power, generator, rotor of water turbine, diesel cylinder for ship, cross pin, connecting bar, cylinder rod, roller, mechanical shaft, rudder spindle, hoister and barrel of ship.

The main performance characteristics:

  1. Headstock spindle adopts high accuracy rolling bearing at radial and axial direction. Two step mechanic speed change, AC spindle motor drive. Master and slave servo motors could be adopted for milling feeding and inHangZhou;
  2. Tailstock adopts self-adapt mechanism of workpiece thermal extension, electric load cell and teeth plate thrust device;
  3. At lengthwise direction, carriage adopts plastic paste soft belt guideway, at crosswise direction, linear roller sliding way.
  4. Lengthwise transmission adopts double rack and pinion mechanism for clearance elimination crosswise transmission adopts double nut clearance elimination mechanism and ballscrew. Vertical. horizontal or motorized turret carriage could be adopted;
  5. Optional attachments :C type steady rest, milling tool carriage, grinding head, deep-hole boring system with large diameter, etc;
  6. Optional CNC system: SIEMENS, FANUC, CZPT etc.

Product Parameters

Item Unit Model
WZ1250
Max swing diameter mm 1600
Max. machining diameter over mm 1250
Max. loading capacity between centers t 18/25
QTY of bed guideway   4
Bed width mm 1100
Front bearing diameter of spindle mm 240
Main motor power kW 60/100
Spindle max torque kNm 18-39
Max spindle speed r/min 800
Spindle mechanic shift QTY 2
Cross slide travel mm 750
Y axis adjusting range mm ±50
Tailstock sleeve diameter mm 230/300
Motorized tool-motor power kW 11 or 15

 

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 high quality Wz1250 CNC Heavy Duty Horizontal Machine Tool/Customerized Machine     with Good qualityChina high quality Wz1250 CNC Heavy Duty Horizontal Machine Tool/Customerized Machine     with Good quality

China Standard CNC Lathe CNC Heavy Duty Lathe Large CNC Machine CNC Torno (SK61100Z – SK61160Z) with Good quality

Product Description

CNC Heavy Duty Lathe SK61100Z / SK61125Z / SK61140Z / SK61160Z

Machine features:

The machine can be equipped with FANUC. SIGMENS or NC system, high-reliability because of its STD total line structure, CRT Showing, line and circle interpolation.

2 axle close-circle control. AC servo motor. Semi-closed loop control system. High-strength casting bed with high-frequency chilling and precise grinding.

Slide way is glued with low-friction plastics.

Spindle with frequenting converter and Infinitely variable speed .(optional)

Suited for cutting work pieces which have various shapes and sizes.

Loading capacity is 10T.

 

SPECIFICATIONS:  SK61100Z SK61125Z SK61140Z SK61160Z
Max. swing over bed 1000mm 1250mm 1400mm 1600mm
Max. swing over cross slide 590mm 840mm 1000mm 1200mm
Center distance 2m 3m 4m 5m 6m 8m 10m 12m    
Spindle hole 130mm (145mm optional)
Width of bed 780mm
Diameter of tailstock steeve 160mm
Max. distance of moving tool-post  
Longitude DBC-500mm
Transverse 600mm
Spindle speeds (Number) 3..15-315r/min 2.5-250r/min 2-200r/min
Main motor power 22kw
Speed of high-speed movement    
Longitude 4000mm/min  
Transverse 3000mm/min
Tool numbers on tool-post 4 (6/8 optioanl)
Positioning accuracy  
Longitude 0.05/2000mm
Transverse 0.03mm
Repeatablity  
Longitude 0.571/2000mm  
Transverse 0.012mm
Repeatablity accuracy of tool-post 0.005mm
N.W. (SK61125Z/3000) 12000kg
Overall size (SK61125Z/3000) 6000 x 2700 x 2300mm

Standard Length Splined Shafts

Standard Length Splined Shafts are made from Mild Steel and are perfect for most repair jobs, custom machinery building, and many other applications. All stock splined shafts are 2-3/4 inches in length, and full splines are available in any length, with additional materials and working lengths available upon request and quotation. CZPT Manufacturing Company is proud to offer these standard length shafts.
splineshaft

Disc brake mounting interfaces that are splined

There are 2 common disc brake mounting interfaces, splined and center lock. Disc brakes with splined interfaces are more common. They are usually easier to install. The center lock system requires a tool to remove the locking ring on the disc hub. Six-bolt rotors are easier to install and require only 6 bolts. The center lock system is commonly used with performance road bikes.
Post mount disc brakes require a post mount adapter, while flat mount disc brakes do not. Post mount adapters are more common and are used for carbon mountain bikes, while flat mount interfaces are becoming the norm on road and gravel bikes. All disc brake adapters are adjustable for rotor size, though. Road bikes usually use 160mm rotors while mountain bikes use rotors that are 180mm or 200mm.
splineshaft

Disc brake mounting interfaces that are helical splined

A helical splined disc brake mounting interface is designed with a splined connection between the hub and brake disc. This splined connection allows for a relatively large amount of radial and rotational displacement between the disc and hub. A loosely splined interface can cause a rattling noise due to the movement of the disc in relation to the hub.
The splines on the brake disc and hub are connected via an air gap. The air gap helps reduce heat conduction from the brake disc to the hub. The present invention addresses problems of noise, heat, and retraction of brake discs at the release of the brake. It also addresses issues with skewing and dragging. If you’re unsure whether this type of mounting interface is right for you, consult your mechanic.
Disc brake mounting interfaces that are helix-splined may be used in conjunction with other components of a wheel. They are particularly useful in disc brake mounting interfaces for hub-to-hub assemblies. The spacer elements, which are preferably located circumferentially, provide substantially the same function no matter how the brake disc rotates. Preferably, 3 spacer elements are located around the brake disc. Each of these spacer elements has equal clearance between the splines of the brake disc and the hub.
Spacer elements 6 include a helical spring portion 6.1 and extensions in tangential directions that terminate in hooks 6.4. These hooks abut against the brake disc 1 in both directions. The helical spring portion 5.1 and 6.1 have stiffness enough to absorb radial impacts. The spacer elements are arranged around the circumference of the intermeshing zone.
A helical splined disc mount includes a stabilizing element formed as a helical spring. The helical spring extends to the disc’s splines and teeth. The ends of the extension extend in opposite directions, while brackets at each end engage with the disc’s splines and teeth. This stabilizing element is positioned axially over the disc’s width.
Helical splined disc brake mounting interfaces are popular in bicycles and road bicycles. They’re a reliable, durable way to mount your brakes. Splines are widely used in aerospace, and have a higher fatigue life and reliability. The interfaces between the splined disc brake and BB spindle are made from aluminum and acetate.
As the splined hub mounts the disc in a helical fashion, the spring wire and disc 2 will be positioned in close contact. As the spring wire contacts the disc, it creates friction forces that are evenly distributed throughout the disc. This allows for a wide range of axial motion. Disc brake mounting interfaces that are helical splined have higher strength and stiffness than their counterparts.
Disc brake mounting interfaces that are helically splined can have a wide range of splined surfaces. The splined surfaces are the most common type of disc brake mounting interfaces. They are typically made of stainless steel or aluminum and can be used for a variety of applications. However, a splined disc mount will not support a disc with an oversized brake caliper.

China Standard CNC Lathe CNC Heavy Duty Lathe Large CNC Machine CNC Torno (SK61100Z - SK61160Z)     with Good qualityChina Standard CNC Lathe CNC Heavy Duty Lathe Large CNC Machine CNC Torno (SK61100Z - SK61160Z)     with Good quality

China Custom Wz2000 CNC Heavy Duty Horizontal Lathe/Customerized Machine wholesaler

Product Description

Product Description

APPLICATION
WZ series adopts modular design, with advantages of heavy load, high accuracy, efficiency and reliability, rational structure, wide application and convenience operation. Besides the basic functions of common heavy duty horizontal machine tools, it can process conical surface, curve surface, step axle groove and thread. It can also realize milling, drilling and grinding when equipped with different kinds of attachments.lt is mainly applied in industries such as energy, transportation, machinery, for machining shaft of wind power, generator, rotor of water turbine, diesel cylinder for ship, cross pin, connecting bar, cylinder rod, roller, mechanical shaft, rudder spindle, hoister and barrel of ship.

The main performance characteristics:

  1. Headstock spindle adopts high accuracy rolling bearing at radial and axial direction. Two step mechanic speed change, AC spindle motor drive. Master and slave servo motors could be adopted for milling feeding and inHangZhou;
  2. Tailstock adopts self-adapt mechanism of workpiece thermal extension, electric load cell and teeth plate thrust device;
  3. At lengthwise direction, carriage adopts plastic paste soft belt guideway, at crosswise direction, linear roller sliding way.
  4. Lengthwise transmission adopts double rack and pinion mechanism for clearance elimination crosswise transmission adopts double nut clearance elimination mechanism and ballscrew. Vertical. horizontal or motorized turret carriage could be adopted;
  5. Optional attachments :C type steady rest, milling tool carriage, grinding head, deep-hole boring system with large diameter, etc;
  6. Optional CNC system: SIEMENS, FANUC, CZPT etc.

Product Parameters

Item Unit Model
WZ2000
Max swing diameter mm 2500
Max. machining diameter over mm 2000
Max. loading capacity between centers t 18/25/32
QTY of bed guideway   4
Bed width mm 1705
Front bearing diameter of spindle mm 240
Main motor power kW 60/100
Spindle max torque kNm 18-39
Max spindle speed r/min 800
Spindle mechanic shift QTY 2
Cross slide travel mm 950
Y axis adjusting range mm ±50
Tailstock sleeve diameter mm 230/300
Motorized tool-motor power kW 11 or 15

 

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 Wz2000 CNC Heavy Duty Horizontal Lathe/Customerized Machine     wholesaler China Custom Wz2000 CNC Heavy Duty Horizontal Lathe/Customerized Machine     wholesaler

China supplier Wz2000 CNC Heavy Duty Horizontal Machine Tool with Hot selling

Product Description

Product Description

APPLICATION
WZ series adopts modular design, with advantages of heavy load, high accuracy, efficiency and reliability, rational structure, wide application and convenience operation. Besides the basic functions of common heavy duty horizontal machine tools, it can process conical surface, curve surface, step axle groove and thread. It can also realize milling, drilling and grinding when equipped with different kinds of attachments.lt is mainly applied in industries such as energy, transportation, machinery, for machining shaft of wind power, generator, rotor of water turbine, diesel cylinder for ship, cross pin, connecting bar, cylinder rod, roller, mechanical shaft, rudder spindle, hoister and barrel of ship.

The main performance characteristics:

  1. Headstock spindle adopts high accuracy rolling bearing at radial and axial direction. Two step mechanic speed change, AC spindle motor drive. Master and slave servo motors could be adopted for milling feeding and inHangZhou;
  2. Tailstock adopts self-adapt mechanism of workpiece thermal extension, electric load cell and teeth plate thrust device;
  3. At lengthwise direction, carriage adopts plastic paste soft belt guideway, at crosswise direction, linear roller sliding way.
  4. Lengthwise transmission adopts double rack and pinion mechanism for clearance elimination crosswise transmission adopts double nut clearance elimination mechanism and ballscrew. Vertical. horizontal or motorized turret carriage could be adopted;
  5. Optional attachments :C type steady rest, milling tool carriage, grinding head, deep-hole boring system with large diameter, etc;
  6. Optional CNC system: SIEMENS, FANUC, CZPT etc.

Product Parameters

Item Unit Model
WZ2000
Max swing diameter mm 2500
Max. machining diameter over mm 2000
Max. loading capacity between centers t 18/25/32
QTY of bed guideway   4
Bed width mm 1705
Front bearing diameter of spindle mm 240
Main motor power kW 60/100
Spindle max torque kNm 18-39
Max spindle speed r/min 800
Spindle mechanic shift QTY 2
Cross slide travel mm 950
Y axis adjusting range mm ±50
Tailstock sleeve diameter mm 230/300
Motorized tool-motor power kW 11 or 15

 

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China supplier Wz2000 CNC Heavy Duty Horizontal Machine Tool     with Hot sellingChina supplier Wz2000 CNC Heavy Duty Horizontal Machine Tool     with Hot selling

China high quality Ht10 Brilliant Quality CZPT CNC Large Supply Gear Heavy Cutting 3 Axis Lathe Drill Mill Combo Lathe Machine with Free Design Custom

Product Description

HT10 Brilliant Quality ZheJiang CNC Large Supply Gear Heavy Cutting 3 axis Lathe Drill Mill Combo Lathe Machine

IHT series Tuning machine with FANUC control system, Included Standard Equipment and Standard Control System Functions. Integrally molded low center of gravity casting bed, 30 ° saddle through optimized design, It has a large shock damping and a smaller amount of deformation, the main axle box, turret. Providing high-rigidity structure basis. 30 ° slant bed design to facilitate the operator upper and lower parts, but also to ensure. Smooth chip evacuation.

Overall:

The machine tool has a mechanical, electrical, and hydraulic integrated layout. The 45° overall slant bed has the advantages of compact structure, high rigidity, smooth chip removal, and convenient operation. The CZPT rail type is a rolling CZPT rail, and the driving parts are high-speed silent ball screws. It has the advantages of fast speed, less heat, and high positioning accuracy; the machine tool is fully enclosed protection, automatic chip removal, automatic lubrication, automatic cooling.

Spindle:

The main drive unit of this machine tool is driven by Japanese FANUC 11/15kw high-performance servo motor, which drives the spindle to rotate through a pair of pulleys. The spindle speed range is 30-4500r/min. The front support of the main shaft adopts three-set high-precision angular contact ball bearings, and the rear support adopts 2 high-precision angular contact ball bearings with large apertures to meet the bearing requirements of axial and radial cutting forces.

Tailstock:

The hydraulic cylinder is used to drive the integral mobile tailstock. The structure is simple, with high precision, high rigidity and reliable performance.

Turret:

The machine used servo power turret by SAUTER, with fast tool change speed and high reliability.

Drive:

The X-axis and Z-axis driving adopts FANUC high-performance servo motor, with high positioning accuracy and flexible and reliable action.

System:

The control system is FANUC 0iTF plus, using high-performance AC spindle motor and servo motor.

Main Drive Spindle Motor: Main drive system using FANUC/SIEMENS high performance servo spindle motor, through V-belt transimission power, to the patent design of high rigidity spindle structure with 3 angular contact ball bearings in front and 2 large aperture angular contact ball or roller(optional) bearings in rear side, to fulfil axial and radial cutting carrying requirements at same time.
Servo Tailstock: Substantially shorten un-processing time due to servo driven. high rigidity tailstock. Less operation steps. Setup time: reduce 50%. Operation time: reduce 20%. Programe different pressure by codes
Sub Spindle: Built-in Motor Spindle : High Precesion: The bigger spindle bearings and the appropriate wide spacing between the guideways ensure that HT series machines by high accuracy and rigidity.
Iron Bed: High stability and perfect machining results thanks to the integrally molded massive hT300 cast iron bed.

Precision heavy cutting slant bed turning center Features: Thanks to intergrated into machine CNC control, programming setup is direct and simpler. Automatic truss delivery system with 3 jaws clamping grapper and rotating cylinder. Optimized housing simplified equip ment maintenance. Linear robot system with high speed high precesion gear rack struc-ture. Telescop arm optional ready for low workshop roof endusers. Work piece measuring system tool measuring system. All new overall outlook design style.

Automatic truss delivery system optional for all HT series machine models Developed automatic truss delivery system based on HT series, is specially designed for HT models. DRC Machinery provides one-stop service of complete intergrated system including turning center and automation system. Therfore machines and automatic system only need 1 control system to manage all jobs. This helps maintain and operate the whole system more easier. Up to 6 KGs work piece loading capacity, faster, simpler to operator and more flexible. Maximum availbale work piece size is p200*150mm.

 

Technical date

Spindle head

 

FL220 h5

Spindle maximum speed

Type

3000

Max. Torque

N×m

420

Spindle power

Kw

15-18.5

Chuck diameter

mm

250

Spindle bore

mm

102

Front bearing diameter

mm

140

Spindle bearing lubrication

Type

Grease

Linear motion lubrication

Type

Oil

Speed range

rpm

5-3000

Work area

Maximum swing over bed

mm

680

Maximum cutting diameter

mm

500

Maximum cutting length

mm

1000

Maximum bar capacity

mm

75

Travel of Z-axis/X-axis

mm

1050/300

Ball screw

X/Z axis ballscrew DxP

mm

40 x 10

Feed

Rapid traverse Z/X

m/min

30/30

Feed force

 Feed force X/Z : 7500 N m

Number of axis : 2

Measuring system

X/ Z axis measuring system : Absolute rotative

(X / Z);VDI/DGQ 3441 Positioning

mm

0.008/0.01

(X / Z);VDI/DGQ 3441 Repeatability

mm

0.005/0.008

Tool attachments

Servo turret : SAUTER

No. of tool stations : 12

OD tool size : 25/40 mm

Electrical specifications

Voltage : 380 ±10% V

Frequency : 50 ± 1% Hz

400v lie protection fuses : 100 A

Max. installed power : 50 KVA

Connection cables section : 4 x 10 mm2

Hydraulic unit

Max. working pressure :50  bar

Reservoir capacity : 35 l

Pump flow

I/ in

24

Oil-based coolant system

Capacity with tank : 180 l

Pump delivery : 30 l /min

Pump pressure

bar

5

Noise level

Less than

dB (A)

≤80

FANUC Control system

 

0iTF plus

Net weight

kg

About 7500

Slant angle, Material

45°, castiron

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 high quality Ht10 Brilliant Quality CZPT CNC Large Supply Gear Heavy Cutting 3 Axis Lathe Drill Mill Combo Lathe Machine     with Free Design CustomChina high quality Ht10 Brilliant Quality CZPT CNC Large Supply Gear Heavy Cutting 3 Axis Lathe Drill Mill Combo Lathe Machine     with Free Design Custom

China wholesaler Wz900 CNC Heavy Duty Horizontal Lathe/ Customerized Machine near me supplier

Product Description

Product Description

APPLICATION
WZ series adopts modular design, with advantages of heavy load, high accuracy, efficiency and reliability, rational structure, wide application and convenience operation. Besides the basic functions of common heavy duty horizontal machine tools, it can process conical surface, curve surface, step axle groove and thread. It can also realize milling, drilling and grinding when equipped with different kinds of attachments.lt is mainly applied in industries such as energy, transportation, machinery, for machining shaft of wind power, generator, rotor of water turbine, diesel cylinder for ship, cross pin, connecting bar, cylinder rod, roller, mechanical shaft, rudder spindle, hoister and barrel of ship.

The main performance characteristics:

  1. Headstock spindle adopts high accuracy rolling bearing at radial and axial direction. Two step mechanic speed change, AC spindle motor drive. Master and slave servo motors could be adopted for milling feeding and inHangZhou;
  2. Tailstock adopts self-adapt mechanism of workpiece thermal extension, electric load cell and teeth plate thrust device;
  3. At lengthwise direction, carriage adopts plastic paste soft belt guideway, at crosswise direction, linear roller sliding way.
  4. Lengthwise transmission adopts double rack and pinion mechanism for clearance elimination crosswise transmission adopts double nut clearance elimination mechanism and ballscrew. Vertical. horizontal or motorized turret carriage could be adopted;
  5. Optional attachments :C type steady rest, milling tool carriage, grinding head, deep-hole boring system with large diameter, etc;
  6. Optional CNC system: SIEMENS, FANUC, CZPT etc.

 

Product Parameters

Item Unit Model
WZ900
Max swing diameter mm 1250
Max. machining diameter over mm 900
Max. loading capacity between centers t 18/25
QTY of bed guideway   3+1
Bed width mm 1100
Front bearing diameter of spindle mm 240
Main motor power kW 60/100
Spindle max torque kNm 18-39
Max spindle speed r/min 800
Spindle mechanic shift QTY 2
Cross slide travel mm 580
Y axis adjusting range mm ±50
Tailstock sleeve diameter mm 230/300
Motorized tool-motor power kW 11 or 15

 

 

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China wholesaler Wz900 CNC Heavy Duty Horizontal Lathe/ Customerized Machine     near me supplier China wholesaler Wz900 CNC Heavy Duty Horizontal Lathe/ Customerized Machine     near me supplier