China Professional Custom Types of SWC Cardan Shaft /Universal Shaft/Spline Shaft wholesaler

Product Description

SWCZ Series-Heavy-Duty Designs Cardan shaft

Designs

Data and Size of SWCZ Series Universal Joint Couplings

 

Type Design
Data
Item
SWCZ
  680
SWCZ
 700
SWCZ
  750
SWCZ
  780
SWCZ
 800
SWCZ
 840
SWCZ
 900
SWCZ
  920
SWCZ
 1000
SWCZ
1050
SWCZ
1100
SWCZ
1200
C L 1540 1600 1840 1920 1920 2120 2280 2280 2380 2480 2500 2720
m(kg) 3150 3450 4300 4680 5050 6400 8420 8950 10600 12100 13500 16900
D L 1940 2100 2400 2500 2500 2680 2950 2950 3130 3200 3300 3570
m(kg) 3220 3530 4500 5400 5800 7470 9980 10500 12300 14500 15800 19500
E L 3230 3460 3620 4000 4000 4250 4580 4850 4770 4950 5100 5660
LV 250 250 250 250 250 250 300 300 300 300 300 300
m(kg) 4880 5400 8000 8450 9070 11800 15900 16500 19900 22000 27500 34800
  Tn(N·m) 1640 1750 2250 2500 2670 3100 3800 4050 5200 6500 6900 9000
  Tf(N·m) 980 1050 1350 1500 1600 1860 2280 2430 3120 3900 4140 5400
  β(°) 15 15 15 15 15 15 15 15 15 15 15 15
  D 680 700 750 780 800 840 900 920 1000 1060 1100 1200
  Df 680 700 750 780 800 840 900 920 1000 1060 1100 1200
  D1 635 635 695 725 745 775 935 855 915 920 1015 1100
  D2(H9) 550 570 610 640 660 710 740 760 840 900 920 1000
  D3 560 560 620 660 660 660 750 750 790 800 850 900
  Lm 385 400 480 480 480 530 570 570 595 620 625 680
  k 70 70 95 95 95 110 120 120 130 130 130 130
  n 24 24 24 24 24 24 24 24 24 20 20 20
  d 26 26 31 31 36 38 38 38 50 45 50 58
  Flange bolt M24 M24 M30 M30 M30 M36 M36 M36 M48 M42 M48 M56

1. Notations: 
L=Standard length, or compressed length for designs with length compensation; 
LV=Length compensation; 
M=Weight; 
Tn=Nominal torque(Yield torque 50% over Tn); 
TF=Fatigue torque, I. E. Permissible torque as determined according to the fatigue strength
Under reversing loads; 
β=Maximum deflection angle; 
MI=weight per 100mm tube
2. Millimeters are used as measurement units except where noted; 
3. Please consult us for customizations regarding length, length compensation and
Flange connections. 
(DIN or SAT etc. )
 

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 Professional Custom Types of SWC Cardan Shaft /Universal Shaft/Spline Shaft     wholesaler China Professional Custom Types of SWC Cardan Shaft /Universal Shaft/Spline Shaft     wholesaler