Product Description
Telescopic Short Cardan Shaft Coupling(SWP-B)
SWP split bearing housing cross shaft universal coupling is suitable for machinery,lifting and transportation machinery and other heavy machinery. Connecting 2 axes whose axes are not on the same straight line. The rotation diameter is 160-640mm. The nominal torque Tn=16-1250Kn·m,axis angle A-F type β≤25°.G type≤5°.
♦Technical Data
Model |
D mm |
Tn KN·m |
Tf KN·m |
β |
S mm |
mm |
||||||||
D1 |
D2 |
D3 |
E |
E1 |
b×h |
h1 |
L1 |
n-d |
||||||
SWP160B |
160 |
16 |
8 |
≤10 |
50 |
140 |
95 |
114 |
15 |
4 |
20×12 |
6 |
85 |
6-13 |
SWP180B |
180 |
20 |
10 |
≤10 |
60 |
155 |
105 |
121 |
15 |
4 |
24×14 |
7 |
95 |
6-15 |
SWP200B |
200 |
31.5 |
16 |
≤10 |
70 |
175 |
125 |
127 |
17 |
5 |
28×16 |
8 |
110 |
8-15 |
SWP225B |
225 |
40 |
20 |
≤10 |
76 |
196 |
135 |
152 |
20 |
5 |
32×18 |
9 |
130 |
8-17 |
SWP250B |
250 |
63 |
31.5 |
≤10 |
80 |
218 |
150 |
168 |
25 |
5 |
40×25 |
12.5 |
135 |
8-19 |
SWP285B |
285 |
90 |
45 |
≤10 |
100 |
245 |
170 |
194 |
27 |
7 |
40×30 |
15 |
150 |
8-12 |
SWP315B |
315 |
140 |
63 |
≤10 |
110 |
280 |
185 |
219 |
32 |
7 |
40×30 |
15 |
170 |
10-23 |
SWP350B |
350 |
180 |
90 |
≤10 |
120 |
310 |
210 |
245 |
35 |
8 |
50×32 |
16 |
185 |
10-23 |
SWP390B |
390 |
250 |
112 |
≤10 |
120 |
345 |
235 |
273 |
40 |
8 |
70×36 |
18 |
205 |
10-25 |
SWP435B |
435 |
355 |
160 |
≤10 |
150 |
385 |
255 |
299 |
42 |
10 |
80×40 |
20 |
235 |
16-28 |
SWP480B |
480 |
450 |
224 |
≤10 |
170 |
425 |
275 |
351 |
47 |
12 |
90×45 |
22.5 |
265 |
16-31 |
SWP550B |
550 |
710 |
315 |
≤10 |
190 |
492 |
320 |
402 |
50 |
12 |
100×45 |
22.5 |
290 |
16-31 |
SWP660B |
600 |
1000 |
500 |
≤10 |
210 |
544 |
380 |
450 |
55 |
15 |
90×55 |
27.5 |
360 |
22-34 |
SWP640B |
640 |
1250 |
630 |
≤10 |
230 |
575 |
385 |
480 |
60 |
15 |
100×60 |
30 |
385 |
18-38 |
♦Product picture
♦Other Products List
Transmission Machinery Parts Name |
Model |
Universal Coupling | WS,WSD,WSP |
Cardan Shaft | SWC,SWP,SWZ |
Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
High Flexible Coupling | LM |
Chain Coupling | GL |
Jaw Coupling | LT |
Grid Coupling | JS |
Packaging & Shipping
♦Our Company
HangZhou CZPT Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.
♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.
2.Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping
3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.
4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.
Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.
Q 3:How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.
Q 4: Do you provide samples ? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.
Q 6: What is the MOQ?
A:Usually our MOQ is 1pcs.
Q 7: Do you have inspection procedures for coupling ?
A:100% self-inspection before packing.
Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.
Q 9: What’s your payment?
A:1) T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
Explaining the Concept of Backlash and How It Affects Drive Coupling Performance
Backlash is a mechanical phenomenon that refers to the amount of free movement or play between the mating components of a drive system. In the context of drive couplings, backlash is the angular or linear displacement that occurs when there is a change in direction or a reversal of motion. It is mainly a result of clearances between the coupling’s mating elements.
The presence of backlash can have both positive and negative effects on drive coupling performance:
- Negative Effects of Backlash:
- Reduced Accuracy: Backlash can introduce inaccuracies in position control systems, especially in applications requiring precise positioning. The free movement between the coupling elements can result in a delay in response when the direction of rotation changes, leading to positioning errors.
- Vibration and Noise: Backlash can cause vibration and noise during operation, especially in systems with frequent changes in direction or load. The impact and collision of the mating elements can generate noise and contribute to mechanical wear.
- Increased Wear: In systems with significant backlash, the constant impact between the mating components can accelerate wear and reduce the lifespan of the coupling and other connected machinery.
- Positive Effects of Backlash:
- Shock Absorption: In certain applications, a controlled amount of backlash can act as a shock absorber, dampening sudden impact loads and reducing stress on the system during abrupt changes in motion.
- Misalignment Compensation: Backlash can compensate for minor misalignments between shafts, reducing the risk of damage and excessive load on the coupling and connected components.
- Thermal Expansion Compensation: Backlash can help accommodate thermal expansion and contraction of the components, allowing the coupling to function effectively even as the temperature changes.
The appropriate amount of backlash depends on the specific application and the coupling type. In some cases, minimizing backlash is essential for precision and accuracy, while in others, a controlled amount of backlash can be beneficial for shock absorption and misalignment compensation.
It’s crucial to consider the effects of backlash when selecting a drive coupling and designing a power transmission system. Manufacturers often provide information on the level of backlash in their coupling designs, enabling users to make informed decisions based on their application’s requirements.
How to Select the Right Drive Coupling for Specific Torque and Speed Requirements
Choosing the appropriate drive coupling for specific torque and speed requirements is essential to ensure reliable and efficient power transmission in mechanical systems. Here are the steps to help you make the right selection:
- Identify Torque and Speed Parameters: Determine the maximum and minimum torque values that the coupling will experience during operation. Also, establish the required operating speed range.
- Consider the Application: Evaluate the application’s characteristics, such as the nature of the driven equipment, the presence of shock loads, vibrations, and misalignments. Different applications may require different coupling types and designs.
- Calculate Service Factor: Apply a service factor to the calculated torque to account for any variations in the load during operation. The service factor typically ranges from 1.2 to 2, depending on the application’s demands.
- Choose the Coupling Type: Based on the torque, speed, and application requirements, select the appropriate coupling type. Common coupling types include elastomeric couplings, grid couplings, gear couplings, and metallic disc couplings.
- Torsional Stiffness and Damping: Consider the desired level of torsional stiffness and damping based on the application’s need for rigidity and vibration absorption. High-speed applications may require couplings with good damping characteristics to prevent resonance.
- Temperature and Environment: Take into account the operating temperature and environmental conditions. Extreme temperatures or corrosive environments may require specific coupling materials or coatings.
- Alignment and Misalignment Tolerance: Assess the alignment capabilities of the coupling. Flexible couplings can accommodate misalignments, while rigid couplings require precise alignment.
- Space Limitations: Consider any spatial constraints for coupling installation. Some couplings may have compact designs suitable for confined spaces.
- Budget and Maintenance: Factor in the initial cost and ongoing maintenance requirements of the coupling. While some couplings may have higher upfront costs, they might offer longer service life and lower maintenance expenses.
- Consult with Manufacturers: Reach out to coupling manufacturers or specialists to discuss your specific requirements. They can provide expert advice and recommend suitable couplings for your application.
By carefully evaluating torque and speed requirements, considering the application’s characteristics, and selecting a coupling that matches the demands of the system, you can ensure optimal performance and longevity of the power transmission setup.
Types of Drive Couplings and Their Applications in Various Industries
Drive couplings come in various types, each designed to meet specific application requirements. Depending on the industry and the type of machinery involved, different types of drive couplings are used to optimize power transmission efficiency and reliability. Here are some common types of drive couplings and their applications in various industries:
- Jaw Couplings: Jaw couplings are flexible couplings that use elastomeric inserts to transmit torque. They are commonly used in industrial pumps, compressors, and conveyors. The elastomeric inserts provide shock absorption and vibration dampening, making them suitable for applications where misalignment and vibration are present.
- Gear Couplings: Gear couplings are robust and torsionally rigid couplings that use gear teeth to transmit torque between shafts. They are often used in heavy-duty applications such as steel rolling mills, paper mills, and marine propulsion systems. Gear couplings can handle high torque and misalignments, making them ideal for demanding industrial environments.
- Disc Couplings: Disc couplings use thin metal discs to transmit torque and accommodate misalignment. They are widely used in high-speed applications, such as gas turbines, generators, and test rigs. Disc couplings offer high torque capacity and are known for their torsional stiffness and balance characteristics.
- Grid Couplings: Grid couplings use a grid-like flexible element to transmit torque. They are commonly used in industrial pumps, fans, and compressors. Grid couplings offer excellent shock absorption and misalignment capability, making them suitable for applications where protection against sudden shocks is required.
- Tyre Couplings: Tyre couplings use an elastomeric tyre between two hubs to transmit torque. They are widely used in various industries, including steel, mining, and power generation. Tyre couplings can accommodate misalignments and provide vibration damping, making them versatile for different industrial applications.
- Bellows Couplings: Bellows couplings use a thin-walled metallic bellows to transmit torque and compensate for misalignments. They are commonly used in precision motion control applications, such as robotics, CNC machines, and medical equipment, where minimal backlash and high torsional stiffness are required.
- Universal Joints: Universal joints are used to transmit torque between shafts at an angle. They are commonly found in automotive drivelines, agricultural equipment, and industrial machinery. Universal joints allow angular misalignments and are widely used in applications where rotational movement must be transferred through non-aligned shafts.
The choice of drive coupling type depends on factors such as torque requirements, speed, misalignment, and specific environmental conditions. Each type of coupling has its unique advantages and limitations, and selecting the right coupling for a particular application is crucial for ensuring optimal power transmission and machinery performance in various industries.
editor by CX 2023-09-13