Product Description
Long Telescopic Welded Cardan Shaft Coupling (SWC CH)
The main features of SWC-CH type (long telescopic welded) cross shaft universal coupling is:
1. The ability to have a large angle compensation.
2. The structure is compact and reasonable. SWC-CH type with integral fork, so carrying more reliable.
3. The carrying capacity. Compared with other types of the same diameter rotary joint axis, it delivers more torque, the turning diameter of restricted mechanical equipment, the complete range is more advantageous.
4. High transmission efficiency. Its transmission efficiency of 98-99.8% for high-power transmission, energy-saving effect.
5. carrying smooth, low noise, easy assembly and disassembly maintenance.
| NO | D mm |
Tn kN.m |
Tf kN.m |
β | Size | Rotational inertia kg.m2 |
M kg |
|||||
| LS mm |
Lmin | D3 | Lm | Lmin | Increase 100mm | Lmin | Increase 100mm | |||||
| SWC180CH | 180 | 20 | 10 | ≤25 | 100 | 810 | 114 | 110 | 0.267 | 0.0070 | 80 | 2.8 |
| SWC225CH | 225 | 40 | 20 | ≤15 | 140 | 920 | 152 | 120 | 0.778 | 0.5714 | 138 | 4.9 |
| SWC250CH | 250 | 63 | 31.5 | ≤15 | 140 | 1035 | 168 | 140 | 1.445 | 0.5717 | 196 | 5.3 |
| SWC285CH | 285 | 90 | 45 | ≤15 | 140 | 1190 | 194 | 160 | 2.873 | 0.571 | 295 | 6.3 |
| SWC315CH | 315 | 125 | 63 | ≤15 | 140 | 1315 | 219 | 180 | 5.094 | 0.571 | 428 | 8.0 |
| SWC350CH | 350 | 180 | 90 | ≤15 | 150 | 1410 | 267 | 194 | 9.195 | 0.2219 | 632 | 15.0 |
| SWC390CH | 390 | 250 | 125 | ≤15 | 170 | 1590 | 267 | 215 | 16.62 | 0.2219 | 817 | 15.0 |
| SWC440CH | 440 | 355 | 180 | ≤15 | 190 | 1875 | 325 | 260 | 28.24 | 0.4744 | 1290 | 21.7 |
| SWC490CH | 490 | 500 | 250 | ≤15 | 190 | 1985 | 325 | 270 | 46.33 | 0.4744 | 1631 | 21.7 |
| SWC550CH | 550 | 710 | 355 | ≤15 | 240 | 2300 | 426 | 305 | 86.98 | 1.3570 | 2567 | 34.0 |
Packaging & Shipping
Company Profile
HangZhou CHINAMFG 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 shafts 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 new models when there are new cars in the market.
5. Quality Control
Every step should be a particular test by Professional Staff according to the standard of ISO9001 and TS16949.
FAQ
Q 1: Are you a trading company or a 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 customers with customized PDF or AI format artwork.
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 an excellent price principle, when you make the bulk order the cost of the sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
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
Best Practices for Lubricating and Maintaining Cardan Couplings
Proper lubrication and maintenance are crucial for ensuring the reliable and efficient performance of cardan couplings. Here are some best practices to follow:
- Lubrication: Use a high-quality lubricant recommended by the manufacturer. Regularly lubricate the universal joints and other moving parts to reduce friction, wear, and heat generation.
- Inspection: Periodically inspect the coupling for signs of wear, corrosion, or damage. Check for loose bolts, misalignment, or any abnormalities that could affect performance.
- Alignment: Maintain proper alignment and phasing of the universal joints. Incorrect alignment can lead to premature wear and vibrations.
- Torque Specifications: Follow the manufacturer’s torque specifications when tightening bolts and fasteners. Over-tightening or under-tightening can lead to issues.
- Cleanliness: Keep the coupling and surrounding area clean from debris, dirt, and contaminants that could affect the coupling’s operation.
- Temperature: Be mindful of the operating temperature of the coupling. Extreme temperatures can affect the lubricant’s properties and cause premature wear.
- Regular Maintenance: Implement a regular maintenance schedule that includes lubrication, inspection, and any necessary adjustments. This helps identify and address issues before they escalate.
- Replacement Parts: When replacing components, use genuine parts from the manufacturer to ensure compatibility and performance.
- Training: Ensure that personnel responsible for maintaining the coupling are trained in proper procedures to avoid mistakes and ensure safety.
By following these best practices, you can extend the lifespan of your cardan couplings, maintain efficient power transmission, and minimize downtime due to unexpected failures.
Comparison of Cardan Couplings with Other Flexible Couplings
Cardan couplings, universal joints, and gear couplings are all types of flexible couplings used to transmit torque while accommodating misalignment. Here’s how a cardan coupling compares to other flexible coupling types:
1. Cardan Couplings:
– Also known as shaft couplings or u-joints.
– Typically consist of two yokes connected by a cross-shaped component called a spider.
– Accommodate angular misalignment.
– Limited to relatively lower speeds and torques.
– Provide moderate torsional flexibility.
2. Universal Joints:
– Consist of two yokes connected by cross-shaped pins and bearings.
– Accommodate angular misalignment similar to cardan couplings.
– Can transmit higher torques than cardan couplings.
– Limited in their ability to handle axial and parallel misalignment.
– Used in various applications, including automotive and industrial equipment.
3. Gear Couplings:
– Feature toothed gears that mesh to transmit torque.
– Accommodate angular, axial, and parallel misalignment.
– Suitable for high-speed and high-torque applications.
– Provide high torsional rigidity and accurate torque transmission.
– Require proper lubrication and maintenance.
When comparing these coupling types:
– Cardan couplings are simple and cost-effective solutions for moderate torque and speed applications with angular misalignment.
– Universal joints are versatile but may have limitations in handling higher torques and other misalignment types.
– Gear couplings offer superior torque and misalignment handling but are more complex and may require more maintenance.
The choice of coupling type depends on the specific application’s torque, speed, misalignment, and precision requirements.
Are there different types of cardan couplings for various applications?
Yes, there are different types of cardan couplings designed to suit various applications and requirements:
- Single Universal Joint: This is the most common type of cardan coupling, consisting of two yokes connected by a cross-shaped center piece. It is suitable for applications where angular misalignment compensation is needed, but the shafts are not too far apart.
- Double Cardan Joint: Also known as a double U-joint or CV joint, this type consists of two universal joints connected by an intermediate shaft. It is used when higher angles of misalignment need to be accommodated or when a constant velocity transmission is required.
- Disc Type Coupling: This type uses flexible discs or plates to transmit torque and compensate for misalignment. It is often used in applications with limited space and moderate torque requirements.
- Block Type Coupling: Block type cardan couplings use solid blocks or spheres to transmit torque. They are suitable for heavy-duty applications and can handle higher torque loads.
- Floating Shaft Coupling: This design involves two shafts connected by a third floating shaft, which allows for even higher angles of misalignment and smoother torque transmission.
- Needle Bearing Universal Joint: In this type, needle bearings are used to reduce friction and improve efficiency. It is often used in precision applications where low friction and high efficiency are crucial.
The choice of cardan coupling type depends on factors such as the amount of misalignment, torque requirements, available space, and the need for constant velocity transmission. Selecting the right type ensures optimal performance and longevity in various mechanical systems.
editor by CX 2023-11-28