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

Product Description

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

Introduction&Application:

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

Machine feature:

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

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

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

List of the Key Outsourced Components:

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

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

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

Company Introduction:
    ZheZheJiang nshine CNC is always focusing on our ultimate goal – to secure and increase our customer’s productivity – has made us the leader in China market in the manufacture of machines for processing angle bar, beam channel profiles, steel plates, tubesheet and flanges, mainly serving for fabricating iron towers, steel structure, heat exchangers, boilers, bridges, and trucks.Strong R & D center with more than 10 engineers team, 25 years of experience from year 1996, more than 100 staff, plant area about 25,000 sqm., very harsh quality control of every component and the whole machine, about 12 million US dollars sales turnover per year.

     Sunshine CNC machines’ market share in China is around 70% and exported to 50+ countries across globe market. All top ranked tower manufacturers, steel structure fabricators and power station makers, bridge/railway manufacturers, truck makers are our clients.

    Main products: CNC Angle Line, CNC Beam Drilling Sawing Machine, CNC Plate Drilling Machine, CNC Rail Processing Machine, CNC Tubesheet Flange Drilling Machine, Truck beam plate punching machine, etc.

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

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

After-sales Service:
Training for installation and service:

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

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

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

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

Warranty:

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

Packaging of interntaional standard way

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

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

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

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

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

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

Best Regards
Jack-Director

The Functions of Splined Shaft Bearings

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

Functions

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

Types

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

Manufacturing methods

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

Applications

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

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

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

Product Description

CNC aluminum profile Milling Machine SKX-CNC-1200

Product Description

Feature

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

2. Adopted ZheJiang Syntec CNC Control system.

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

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

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

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

Product Parameters

Parameter
Air Pressure	0.5~0.6MPa
X/Y/Z Axis stroke	1200mm300mm280mm
Input Voltage	380V 50Hz or As Customer need
Input Power	3Kw
Handle type	ER25*Φ8
Processing range	100*140
Overall size	2200×1500×19500mm
Weight	700kg

Main accessory
Control system	ZheJiang Syntec
Solenoid valve	Germany FESTO
Cylinder	PC(FESTO Joint Venture Brand)
Motor	ZheJiang SHangZhou (Best Chinese Motor Brand)
Air Filter Device	STNC
Electrical Button and Switcher	Schneider
AC Contactor and Circuit Breaker	Schneider
Approach Switch	ZheJiang Delta
Xihu (West Lake) Dis. rail	ZheJiang Hiwin

Standard accessory
Cutters	4pcs
Air Gun	1pc
Complete tooling	1set
Certificate	1pc
Operation Manual	1pc

Remarks

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

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

3. Warranty time: 1 year

4. Quotation Valid: 90 days

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

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

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

8. After sales service:

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

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

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

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

Detailed Photos

Other machines:

Stiffness and Torsional Vibration of Spline-Couplings

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

Stiffness of spline-coupling

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

Characteristics of spline-coupling

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

Stiffness of spline-coupling in torsional vibration analysis

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

Effect of spline misalignment on rotor-spline coupling

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

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

China Good quality 6 Meter Long 3 Axis CNC Processing Center Machine for Aluminum Profile/CNC Processing Center Machine for Aluminum Profile of Aluminum Window and Door near me factory

Product Description

Feature
1. The machine is used for drilling holes, milling grooves, processing round holes and special-shaped holes, plane engraving of aluminum alloy profiles.
2. Adopted ZheJiang Syntec CNC Control system.
3. Adopted the electric spindle, high precision, high safety and reliability.
4. X axle adopts high precision helical gear and rack, Y and Z axis adopt high-precision ball screw transmission, steady transmission and high precision.
5. By using programming software to transform and process G code automatically, easy operation, high efficiency and low labor intensity.
6. workbench can turn 180°,-90°0°+90°, it can realize material three-sides section processing by clamping 1 time, it can process deep and special-shaped holes through workbench turning, high efficiency and precision,

Parameter
Air Pressure	0.5~0.6MPa
X/Y/Z Axis stroke	3000mm300mm280mm
Input Voltage	380V 50Hz or As Customer need
Input Power	3KW
Handle type	ER25
Processing range	100*140
Overall size	4000×1500×1950mm
Weight	1300kg

Main accessory
Control system	ZheJiang Syntec
Solenoid valve	Airtec
Cylinder	Airtec
Motor	ZheJiang SHangZhou (Best Chinese Motor Brand)
Air Filter Device	Airtec
Electrical Button and Switcher	Schneider
AC Contactor and Circuit Breaker	Schneider
Approach Switch	ZheJiang Delta
Xihu (West Lake) Dis. rail	ZheJiang Hiwin

Standard accessory
Cutters	4pcs
Air Gun	1pc
Complete tooling	1set
Certificate	1pc
Operation Manual	1pc

Processing samples

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.
splineshaft

Involute splines

An effective side interference condition minimizes gear misalignment. When 2 splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by 5 mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment.
Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to 50-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings.
To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process.
There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile.
The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows 4 concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these 3 components.
splineshaft

Stiffness of coupling

The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using 2 different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these 2 methods.
The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings.
The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated.
The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9.
The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.

Misalignment

To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force.
In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned.
A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling.
The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters.
Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.
splineshaft

Wear and fatigue failure

The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed.
During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions.
The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method.
The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser.
Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the 3 factors. A failure mode is often defined as a non-linear distribution of stresses and strains.

China Good quality 6 Meter Long 3 Axis CNC Processing Center Machine for Aluminum Profile/CNC Processing Center Machine for Aluminum Profile of Aluminum Window and Door near me factory

China best High Speed CNC H Beam Drilling Machine near me manufacturer

Product Description

TBHD1250 CNC High Speed Beam Drilling Line(Siemens PLC)
(With Auto Line Scribing Function)
Application:
This machine is mainly used for processing holes on H-beam, channel beam with high speed, the positioning, feeding of 3 spindles are all driven by servo motor. It adopts spindle servo motor, controls by CNC system, and in-feeding by CNC carriage, high efficiency, and high precision; and it is wildly used in construction, bridge and other industries.

Product Feature:

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

Specifications:

Model	TBHD1250
Work piece size	H beam	Web (mm)		150~1250
		Flange (mm)		75~600
	Max. material length(mm)			12000/15000(optional)
Spindle	Quantity			3
	Spindle taper			BT40
	Spindle rotation speed(r/min)			0~3000
	Feeding speed(mm/min)			0~5000
	Max. hole diameter(mm)			φ40
	Center line movement scope(mm)		Center slide table/ Horizontal direction	45~1200
			Fixed side/movement side Vertical direction	30~570
Motor power	Spindle motor power (kW)			15
	Feeding servo motor(kW)			2
	Position servo motor(kW)			2
	Feeding carriage servo motor(kW)			5
Control system	CNC system			Siemens PLC
	CNC axes quantity			7+3
Hydraulic system	Max. Hydraulic Pressure (MPa)			8
	Motor power(kW)			5.5
Cooling system	No. of nozzle			3
	Pressure of compressed air (Mpa)			0.6
	Cooling way			Internal cooling & external cooling
Tool Magazine(optional)	Tool Magazine Quantity			3
	Tools quantity for each Magazine			4 pieces
Marking unit(optional)	No. of Characters			36 characters
	Characters Size			Φ10 mm
	Imprinting Depth			0.8mm~ 1.5mm
	Position servo motor(kW)			0.75
	Max. Hydraulic Pressure (MPa)			10
	Motor power(kW)			4
Working environment	Working power			Three phase 4 wire system 380±10%V, 50HZ
	Control power			220±10%V 50HZ
	Operate power			24V DC
	Working temperature			0ºC ~ 40ºC
	Humidity of environment			≤75%
Overall dimension(L×W×H)(mm)				About 6000×2100×3500
Main Machine weight (Kg)				About 8500

Main Components List :

No.	Name		Manufacturer
Main Electric Components:
1	Control system		Germany SIEMENS PLC
2	Servo Motor		Germany SIEMENS
3	Servo Driver		Germany SIEMENS
4	Spindle motor		SFC/CTB
5	Computer		Lenovo China
6	Rotary encoder		Japan OMRON
7	Proximity Switch	Normal Open	AUTONICS
		Normal Close
8	Proximity switch		Korea AUTONICS
9	Photoelectric Switch		Korea AUTONICS
10	Low-voltage electrical parts(Switches,Push button, Breaker,Indicator light, Contactor switch and so on)		Germany SIEMENS
Main Hydraulic Pressure Components:
1	Hydraulic valves(Main)		Italy ATOS
Main Mechanical Components:
1	Ball screw		ZheJiang HIWIN /PMI
2	Linear guide		ZheJiang HIWIN/PMI
3	Precision spindle		ZheJiang
Other components:
1	Spraying cooling pump		ARXIHU (WEST LAKE) DIS.NE
2	Pneumatic 2 couplet		AirTac
3	Cylinder		AirTac

If any part model is upgraded or changed, we promise to use same quality level part to replace it. Every change will be based on written form, which is agreed by each party.
Spare Parts List:

No.	Name	Model	Qty.	Remark
1	Proximity switch	Normal open	1	AUTONICS
2	Proximity switch	Normal close	1	AUTONICS
3	Drill bit (including blade)	Φ18, 22, 30	1 for each	YESTOOL
4	Tools holder	BT40-32,300mm	3	MADE IN CHINA
5	Tools holder	BT40xMT4	3	MADE IN CHINA
6	HSS twist drill	¢18, 22, 40	3	MADE IN CHINA
7	Pop-rivet	BT40, 45°center cooling	3	MADE IN CHINA
8	Pop-rivet	BT40, 45°	3	MADE IN CHINA
9	Scribing tool (including drill holder)		1 set	YESTOOL
10	Clam of Tool Magazine		3
11	Socket head wrench		1 set
12	Adjustable spanner	300mm	1
13	Spanner	17-19	1
14	Screwdriver	–	1
15	Screwdriver	+	1
16	Standby paint	Main color, warning color	2
17	Air gun		1
18	Operation manual		1

Model	TSWZ	TBHD
Drill bits type	Twist drill bits	Carbide drill bits (Korea YESTOOL tools)	Carbide drill bits (SANDVIK)
Line speed (m/min)	25	80	100
Feed rate (mm/r)	0.22	0.25	0.25
Rotation speed (r/min)	361	1157	1447
Feeding speed (mm/min)	80	289	361.75
Thickness (mm)	20	20	20
Chip breaking time	The chip breaking time accounts for about 20% of the total time	Automatic chip breaking, without pause	Automatic chip breaking, without pause
Processing time of 1 hole (s)	30	5.3	4.3

The main advantage of high speed CNC drilling TBHD1250, it’s high speed drilling, rotation speed can reach 3000rpm.
Due to TBHD1250 using the carbide drill bits, single hole processing efficiency increased to more than 5 times than the normal speed machine, the overall production efficiency more than 2 times than the normal machine. For example: 22 mm diameter, thickness 20 mm workpiece, TSWZ series drilling 1 hole need about 30 seconds, TBHD1250 series can be controlled within 5 seconds.

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 best High Speed CNC H Beam Drilling Machine near me manufacturer

China wholesaler Good Performence 3D CNC Woodworking Machine (DW2030) wholesaler

Product Description

good performence 3D CNC woodworking machine (DW2030);

1); Woodworking:; three-dimensional wave board processing,; wooden door,; screen,; craft window processing and different kinds of furniture assistance processing
2); Advertisement stuff:; the advertisement label and marking manufacturing,; cutting,; various kinds of materials and advertisement decoration products manufacturing
3); Mold manufacturing:; our routers may carve metal molds including copper,; aluminum,; iron,; as well as non-metal molds like marble,; plastic board and wooden board
4); Other lines:; our routers may carve various kinds of shade vulture,; relief,; craft and gift
5); High speed processing:; the curving and linear speeds are consistent and the running rate amounts to above 35 meters/minutes
6); Excellent parts:; our company uses imported linear rail ,; the rack gear and outstanding step-by-step system.; We also use imported bearing and highly efficient main axle electrical machinery
7); Compatible software:; our software is compatible with type 3/Artcam/Castmate and other kinds of CAD/CAM design software
8); Convenient hold controls:; we uses advanced USB connection type with DSP operating system.; Our routers can completely work off-line and do not take any computer resources
10); Besides,; our routers have realized automatic starting and stopping of DSP operating system
11); CZPT performance:; our routers have the features of recording after stop and the power failure may be restored
Technical parameters:;

1.;X,;Y,; Z Working Area	2000x3000x200mm
2.;Table Size	2200×3500mm
3.; X,;Y,;Z Traveling Positioning Accuracy	&pm;0.;05/300mm
4.; X,;Y,;Z Repositioning Positioning Accuracy	&pm;0.;05mm
5.; Table Surface	Bakelite Vacuum table
6.; Frame	Cast steel structure
7 .;X,; Y Structure	rack,; Linear Bearings
8 .;Z Structure	Ball Screw,; l Linear Bearings
9.; Max.;Power Consumption (Without spindle);	2.;0Kw
10.; Max.;Rapid Travel Rate :;	32000mm/min
11 .;Max.;Working Speed:;	20000mm/min
12.; Spindle Power Motor :;	4.;5KW Spindle
13.; Spindle Speed:;	0-18000RPM
14.; Drive Motors :;	Stepper system
15 .;Working Voltage:;	AC220V/50/60Hz,;1PH or others
16 .;Command Language :;	G Code
17 .;Operating System:;	DSP System
18.; Interface:;	USB
19 .;Flash Memory :;	128M(U Disk);
20.; Collet :;	ER25
21 .;X,;Y Resolution :;	<0.;02mm
22.; Software Compatability :;	Type3 software,; Ucancam software

Dwin kindly tips:;
All the parts of machine can do some changes to meet your requirements.;
1.;motor (step motor or servo motor optional);
2.;spindle (air cooled or water-cooled optional );
3.;guide rail (round guide rail or square linear guide optional );
4.;the table of the machine (Vacuum table,;T-shot table,;Combination of T-shot &Vacuum table,;Normal table,;Table moving);

Guarantee & after sale service :;
1); Guarantee for 1.;5 years
2); Free training to make sure you master the operating of cnc router (on internet or by telephone);
3); 24hour technical supporton Internet or by Telephone,; free instructions and problem solving
4); Video CD for machine using and maintaining

The Functions of Splined Shaft Bearings

Functions

Types

Manufacturing methods

Applications

China wholesaler Good Performence 3D CNC Woodworking Machine (DW2030) wholesaler

China manufacturer milling machine xk7136 cnc machine cnc milling machine with dro near me shop

Product Description

CNC Milling Machine XK7136 Main Features:
1. Main unit type is used in the main axle and the standard of the knife handle is BT40/NT40, servo motor and numerical control motor are used in the working table.
2. Three axle linkages are adopted to meet the processing accuracy requirements.
3. This lathe is suitable for semi-automatic processing such as: drilling , tapping, chamfering, bearing, milling face thread, handle and tower and other processes in the batch production and fitted for the many work pieces and multi-machine management.
4. The machine main structure has high rigidity, Y/Z axes adopt rectangular CZPT way, X axes adopt swallowtail CZPT way.
5. The table surface and the CZPT ways are hardened.
6. The machine is lubricated by the automatic lubrication mechanism.
7. X,Y,Z axes adopt ball screw, low speed feed without crawl and high precision.
8. The spindle realizes the automatic infinitely variable speed by the way of motor.
9. With functions of tool self-lock.

Main Specification:

Specification	XK7136
Worktable size(LxW)	1250x360mm
T-slot (NxWx D)	3/18/80mm
X axis travel	900mm
Y axis travel	350mm
Z axis travel	500mm
Distance from spindle nose to worktable surface	100-600mm
Distance from spindle center to column	460mm
Rapid feed speed(X/Y/Z)	10/10/8m/min
Spindle taper	BT40
Spindle speed range	8000rpm
Main motor power	5.5kw
AC servo motor torque(X/Y/Z)	7.7/7.7/7.7N.m
Over size(LxWxH)	2200x1850x2350mm
Net weight	2400kgs

Detailed Photos

Company Profile

WMT CNC Industrial Co., Ltd. is located in the southwest of the Yangtze River in ZheJiang Province with a famous Buddhist shrine in the north of Jiuhua Mountain. The transportation facilities here are very convenient, directly linked with many metropolis like ZheJiang , ZheJiang and HangZhou via the highway, international airport, and high-speed railway.

WMTCNC company focuses on the research and development, manufacturing, sales and service of various CNC machine tools. Our products are widely used in the processing of molds and parts for products in the aerospace, automotive, steel, petrochemical, and electronics industries. The products are exported to more than 50 countries and regions around the world with good reputation always.

Our main products are Vertical machining centers, Gantry machining centers, CNC milling machines, CNC lathes, Turning machining centers, common drilling and milling machines, milling machines, lathes, and DIY machine tools, etc.

Main functional components of machines are supplied by world-renowned brands such as Japan, ZheJiang and Germany. The concept of combining “craftsman spirit” and “intelligent manufacturing” runs through the research and development, production and sales of various products, relying on advanced processing And testing equipment, scientific management to ensure our products with the high precision, high rigidity and high efficiency. Our machines are the trustworthy product for mold and metal processing.

FAQ

Q1: How is the warranty?
A1: Warranty time is 13 months after BL date.

Q2:Can we visit your factory before order?
A2:Sure.All new and old friends are welcomed to visit us at our factory. Besides, we can pick up you at the station or airport if needed. We will be very honored to help with tickets and accommodation booking.

Q3:Do you have a stock?
A3:Sorry, most of our machines don’t have stock, we always produce according to order. However, if during fairs months, maybe have few samples back from fairs.

Q4:What’s the MOQ?
A4:One set only.

Q5:How about your quality?
A5:We have approved the ISO9001:2008 Quality management system.ISO14001 Environmental management system, OHSAS18001 International occupational CZPT and safety management system, and Social Accountability 8000(SA8000). Most products have been approved by the European and American safety standards, including CE, GS, EMS&UL,90% of our products are exported to more than 60 countries and regions around the world, especially to Europe and America market and always win high reputation. So you can rest assured of our quality products and our best services.

Q6:Do you have professional engineers?
A6:Yes.we have professional engineers and designers. We can provide OEM services.

Q7:Can you provide customized machines?
A7:Yes, we can design and manufacture according to your specific requirements.

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 manufacturer milling machine xk7136 cnc machine cnc milling machine with dro near me shop

China supplier Sumore CE Approved Made in Shanghai China Vertical Milling Machine 5 Axis CNC Vmc with Great quality

Product Description

Factory direct Sale High Precision Small VMC CNC Machining Center SMC8450
(VMC from small to big size, the web pages are limited, so please contact us for more details)

As 1 new product of independent design & development, SMC8450 is a multi-purpose machine which could mill surface & drill holes. This machine adopts domestic/overseas branded numerical control system and realizes full-screen edition in Chinese. Spindle adopts imported frequency converters, which could fulfill variable speed control & constant linear speed cutting functions; machining body adopts ultrasonic frequency hardening treatment; both X-axle & Z-axle adopts step/servo motor, which could process feeding motion by directly connecting shaft coupling & ball screws.

With high power, pleasant rigidity, high precision & storage, high price-quality ratio and long cycle life, the machine is widely applied to instruments, meters, light industries, electronics, home appliances, medical instruments, aeronautics & astronautics and etc. industries, it is 1 small-medium precision & complex machine for processing various materials (especially non-ferrous metals & stainless steel) as well as an ideal equipments for large automation production.

This machine could process holes below ∮16, milling plane below 18 and milling depth below 3mm.

Product Parameters

Model	SMC8450
Worktable Size	800X260mm
Travel(Longitudinal X/Horizontal Y/Vertical Z)	500X320X450mm
Main Motor Power	3.7KW
Spindle Max. Rotating Speed	Servo Spindle 6000rpm (optional 8000rpm 10000rpm)
Z Motor Torque	7.7N.m
X Motor Torque	6N.m
Y Motor Torque	6N.m
Spindle Taper	BT40
Distance of Spindle Axis to Xihu (West Lake) Dis.way Plane	360mm
Distance of Spindle End to Worktable	90-470mm
The Vertical Permissible Error of Spindle Axis to Worktable Plane	≤0.02mm
Positioning Accuracy	0.01mm
Repeated Positioning Accuracy	0.02mm
Machine Overall Dimension	260019502400mm
Net/Gross Weight	2200/2300kgs
Packing size	2270x1880x2500mm

Company Profile

As the professional and experienced manufacturer of lathe, mill , drill , cnc and other tools ,ZheJiang SUMORE Industrial Group has been in this filed for more than 20 years.

We have got the certificates of CE, GS ,Rohs , CSA ,UL ,etc . Also we have been in business with GSK ,Siemens ,Faunc and other famous companies within 50 countries all over the world.

Whether you need the standard or the customerised products , please contact us directly . Our professional and experienced engineers and after sale service team will meet your needs.

Hope to cooperate with you!

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

Involute splines

Stiffness of coupling

Misalignment

Wear and fatigue failure

China supplier Sumore CE Approved Made in Shanghai China Vertical Milling Machine 5 Axis CNC Vmc with Great quality

China supplier Torno CNC High Precision Metal Automatic Hydraulic Tailstock Slant Bed Lathe CNC Machine with high quality

Product Description

Torno CNC High Precision Metal Automatic Hydraulic tailstock Slant Bed Lathe CNC Machine

This series of slant bed high speed CNC lathe adopts imported or domestic high-performance CNC system and matched motor and drive to realize two-axis linkage processing. Equipped with ZheJiang axle sleeve spindle, with high precision, high speed, smooth operation and other characteristics, optional hydraulic chuck or collet chuck, can effectively save the work piece clamping time. The machine is suitable for machining shaft parts, thread, arc cone and inner and outer surfaces of the rotating body. Widely used in the automobile industry, electronic industry, motorcycle, home appliances, furniture, lighting and other industries such as rotating body products processing.

Features

1. Slant bed type casting, 2 axis linear way apply to high precision processing.

2. ZheJiang linear way ensured the stability of accuracy.

3. ZheJiang high speed and high accuracy spindle, Japan high precision bearing.

4. Hydraulic chuck, hydraulic station and hydro-cylinder are optional.

5. Chain type auto conveyor is optional.

6. GSK control system or KND control system.

Specification

Model		HTC-4640
Max. swing diameter over bed	mm	460
Max. swing diameter over carriage	mm	170
Max. length of workpiece	mm	350/300/285 (With Power tool turret)
Spindle head (Chuck optional)		A2-5 (6″)/ A2-6 (8″)
Spindle motor	kw	7.5
Spindle rotation speed	rpm	5000/ 4000*
Spindle through-hole diameter	mm	Φ56
Bar diameter	mm	Φ42
X axis limited travel	mm	210
Z axis limited travel	mm	400
Tool post		10T/12T servo tool turret 12T power tool turret 8T/10T/12T hydraulic tool turret
Height of tool turret center	mm	80
Diameter of tailstock sleeve	mm	65
Trevel of tailstock sleeve	mm	80
Max. travel of tailstock	mm	300
Tailstock sleeve taper		MT4
Bed type and slant angle		Whole body slant type 30°
Dimension	mm	220016001700
Weight	kg	2250

Standard accessories:

1. GSK controller system with motor
2. Fully enclosed cover
3. 6″ hydraulic 3 jaw chuck
4. 12T servo tool turret
5. Hydraulic station
6. Foot switch
7. Hydraulic tailstock
8. Auto lubrication system
9. Workpiece coolant system
10. Two axis inner encoder feedback system
11. Working light
12. Alarming light
13. Xihu (West Lake) Dis. way cover
14. Tool and tool box
15. Operation manual

Optional accessories:

1. Fanuc controller system
2. 10T hydraulic tool turret
3. Chain type conveyor

Industry Focus

Aeronautical parts Hardware Parts

Multi-angle part

Core Technology

Provide customer apllication solution
Joint company amassed abundant database, can fast provdie applicarion case of production technology beat, machine model selection, machining technology optimization, tool choose, suggest turning and milling, etc. In order to help customer improve produce efficiency, improve machining precision.

Can provide automatic feeding solution
Combined customer’s parts machining requirement and technology, design matching material automatic feeding production line, included Truss robot, Feeding tray, etc. Also can continue automatic line remouled of cnc lathe machine.

Provide customization products for customer
Aim at small axle type, plate type parts machining for automobile brake dics, etc, devolped variety different machining requirements samll cnc lathe machine. Also can according to customer requirements, customized model for multiaxis turning and milling machining, double spindle machining, etc.

High precision and good quality product
Joint company is absorbed in high quality production, amassed abundant experience of cnc product design, manufacture technological, test process, etc. Established quality assurance system, with the most advanced production testing instrument, choose quality accessrories, so our product quality is better than domestic similar products.

Company Profile

HangZhou Joint Technology Co., Ltd. specializes in R&D and manufacturing mold processing and machinery parts processing equipment, we developed high quality and high-tech research, development, manufacturing, service team and management system, and expanded products to more than 11 series from milling machines, to machine center,mechanical arm, automation. With the exceptional quality products and distinct brand reputation, our products are sold to more than 40 developed cities all over China, and also to more than 20 countries all over the world across Asia, Europe and America.Our company takes the high quality product as orientation, R&D ideas is to provide customers with the most suitable quality products, became a professional machine tool manufacturer with a complete product line of CZPT and parts processing machine tool and strong tailor-made design capability in China.

Core strengths

1. Standardize processes and operating mechanisms, high standards production and testing software and hardware – Ensure stable product supply and service support.
2. We insist in-depth research and technological precipitation for more than 20 years – Promote rapid innovation and progress in products and technology.
3. Comprehensive information management systems such as ERP and CRM – JOINT has formed a efficient operation and continuous improvement system.
4. Integrity, collaboration, innovation, and CZPT spirit – we JOINT has established a strong and stable supply chain, and a large long-term CZPT customer base.

Special advantages

1. Provide more practical customized products
2. Provide CNC product applications support
3. Provide integrated solution for auto production line
4. Provide integrated design of mold, and parts processing production line

Qualifications and honors

1. National High-tech Enterprose
2. HangZhou famous brand “JOINT”
3. Member of China Quality Association
4. Member of China Machine Tools Association
5. Vice-chairmen of HangZhou Machinery Association
6. CE certification on milling machine, grinidng machine and machine center.
7. More than 150 patents on invention, utility model patent and software copyright etc.
8. ZheJiang famous trademark

FAQ

Q1: Are you trading company or manufacturer?
A1: We are factory since 1995.

Q2: What is your terms of payments?
A2: 30% as deposit, 70% should be paid before delivery.

Q3: How can I choose the most suitable machines?
A3: Please tell us your requirements of the machines, or you could send us the products drawing, our engineer can help to choose suitable model for you.

Q4: What is the package? Is it suitable for shipment?
A4: Machine will be packed by exporting standard package, water proof and anti-rust. It is very much strong for oversea transportation.

Q5: How long is the warranty for machines?
A5: Warranty time is 12 months. We will supply the repair parts in this warranty time. The charge of repair parts will be free due to its quality problemin this guarantee.

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

Involute splines

Stiffness of coupling

Misalignment

Wear and fatigue failure

China supplier Torno CNC High Precision Metal Automatic Hydraulic Tailstock Slant Bed Lathe CNC Machine with high quality

China Custom CNC Drilling Milling Machine for Aluminum Profile with high quality

Product Description

CNC aluminum profile Milling Machine SKX-CNC-500

Feature

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

2. Adopted ZheJiang Syntec CNC Control system.

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

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

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

Parameter
Air Pressure	0.5~0.6MPa
X/Y/Z Axis stroke	500mm300mm280mm
Input Voltage	380V 50Hz or As Customer need
Input Power	3Kw
Handle type	ER25*Φ8
Processing range	100*140
Overall size	2200×1500×19500mm
Weight	700kg

Main accessory
Control system	ZheJiang Syntec
Solenoid valve	Germany FESTO
Cylinder	PC(FESTO Joint Venture Brand)
Motor	ZheJiang SHangZhou (Best Chinese Motor Brand)
Air Filter Device	STNC
Electrical Button and Switcher	Schneider
AC Contactor and Circuit Breaker	Schneider
Approach Switch	ZheJiang Delta
Xihu (West Lake) Dis. rail	ZheJiang Hiwin

Standard accessory
Cutters	4pcs
Air Gun	1pc
Complete tooling	1set
Certificate	1pc
Operation Manual	1pc

Remarks

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

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

3. Warranty time: 1 year

4. Quotation Valid: 90 days

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

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

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

8. After sales service:

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

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

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

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

Other machines:

Stiffness and Torsional Vibration of Spline-Couplings

Stiffness of spline-coupling

Characteristics of spline-coupling

Stiffness of spline-coupling in torsional vibration analysis

Effect of spline misalignment on rotor-spline coupling

China Custom CNC Drilling Milling Machine for Aluminum Profile with high quality

China manufacturer Vmc1380 Vertical Table CNC Milling Machine Center Frame wholesaler

Product Description

Products Description:

We can provide the frame machine, you can customize the outer protective cover.

Product Description

FEATURE:

1).The machine major structure is forged by the unique iron fining inner side after temper and finite element analysis by the professional Software, which have the high strength, good stability and non-flexible feature, all the features guarantee the whole machine’s rigidness and stable precision after long time use.
2).The 3 axles adopts linear sliding track design coordinates Teflon tracking flat and has the feature of high rigidness, high wear resistance and stable processing.
3). The transmission shaft adopts CZPT precision bearing from Japan and precision ball screw from Xihu (West Lake) Dis. ZheJiang .the ball screw pre -stretching before installment to improve the transmission shaft rigidness and reduce extension when running because of the thermal effect, which improve the long time using under accuracy
4).The spindle structure has the the stranger fining inner side and matched spindle from famous brand HangZhou in ZheJiang , adopts P4 super precise bevel angle rolling ball bearing and maximum span support design, that make the spindle can bear the max radial direction and shaft direction thrust to reduce the shaking when cut heavy.

Working conditions
(1)three-phase AC power supply: 380V ±10% ≤ 15%; 50Hz ±1Hz, main power wire 8mm or larger, ground wire 8mm or larger .
(2)ambient temperature: 8 – 40C °
(3)relative humidity: ≤ 80%
(4) far away from light source, vibration source and heat source, away from high frequency power generation motivation, discharge motivation, welding machine, etc., to avoid electrical interference caused by machine tool NC system fail

Product Parameters

Machine model

unit

VMC1380

X/Y/Z travel

13 China. You are warmly welcomed to visit us.

5. What is your trade terms?
FOB, CFR and CIF all acceptable.

6: What’s the Payment Terms?
T/T ,30% initial payment when order ,70% balance payment before shipment ; Irrevocable LC at sight .

7: What’s the MOQ?
1 set .(Only some low cost machines will be more than 1 set ).

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 manufacturer Vmc1380 Vertical Table CNC Milling Machine Center Frame wholesaler