Product Description

SWC-BF Flange Type Cardan Drive Shaft

Cardan shaft is widely used in rolling mill, punch, straightener, crusher, ship drive, paper making equipment, common machinery, water pump equipment, test bench, and other mechanical applications.

Advantage:
1. Low life-cycle costs and long service life;
2. Increase productivity;
3. Professional and innovative solutions;
4. Reduce carbon dioxide emissions, and environmental protection;
5. High torque capacity even at large deflection angles;
6. Easy to move and run smoothly;

Technical Data

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
SWC180BF	180	20	10	≤25	100	810	114	110	0.267	0.0070	80	2.8
SWC225BF	225	40	20	≤15	140	920	152	120	0.778	0.5714	138	4.9
SWC250BF	250	63	31.5	≤15	140	1035	168	140	1.445	0.5717	196	5.3
SWC285BF	285	90	45	≤15	140	1190	194	160	2.873	0.571	295	6.3
SWC315BF	315	125	63	≤15	140	1315	219	180	5.094	0.571	428	8.0
SWC350BF	350	180	90	≤15	150	1410	267	194	9.195	0.2219	632	15.0
SWC390BF	390	250	125	≤15	170	1590	267	215	16.62	0.2219	817	15.0
SWC440BF	440	355	180	≤15	190	1875	325	260	28.24	0.4744	1290	21.7
SWC490BF	490	500	250	≤15	190	1985	325	270	46.33	0.4744	1631	21.7
SWC550BF	550	710	355	≤15	240	2300	426	305	86.98	1.3570	2567	34.0
SWC620BF	620	1000	500	≤15	240	2500	426	340	147.50	1.357	3267	34.0

Detailed Photos

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

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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.

Challenges and Alignment of Cardan Couplings

Cardan couplings, while capable of accommodating angular misalignment, can pose certain challenges related to alignment. Here’s an overview of these challenges and how they can be addressed:

1. Angular Misalignment Limit: Cardan couplings have a limit to the amount of angular misalignment they can accommodate without causing excessive wear and vibration. It’s essential to stay within the manufacturer’s specified misalignment range.

2. Precision Assembly: Assembling a cardan coupling requires precision to ensure that the yokes and spider are aligned correctly. Misaligned assembly can lead to premature wear and increased vibrations.

3. Balancing and Vibration: Cardan couplings can introduce imbalances due to their design. Imbalances can result in vibration and reduce the overall efficiency of the system.

4. Lubrication: Adequate lubrication is crucial to minimize friction and wear in the bearings of the spider. Poor lubrication can lead to increased heat generation and accelerated wear.

5. Maintenance: Regular maintenance is required to monitor the condition of the coupling, including checking for wear, misalignment, and any signs of damage.

6. Torque Fluctuation: In applications with significant angular misalignment, cardan couplings may experience torque fluctuations due to the changing angles of the shafts.

To address these challenges:

– Follow the manufacturer’s guidelines for installation, alignment, and maintenance.

– Use precision tools and techniques during assembly to ensure proper alignment.

– Balance the rotating components to minimize vibration.

– Maintain proper lubrication to reduce friction and wear.

– Periodically inspect the coupling for wear, misalignment, and signs of damage.

– Consider using flexible couplings with higher misalignment capabilities for applications with extreme misalignment requirements.

Proper alignment, maintenance, and adherence to manufacturer recommendations can help maximize the efficiency and longevity of cardan couplings in mechanical systems.

What is a cardan coupling and how is it used in mechanical systems?

A cardan coupling, also known as a universal joint or U-joint coupling, is a mechanical component used to transmit torque between two shafts that are not in alignment but intersect at an angle. It consists of a cross-shaped yoke with two perpendicular shafts connected at its ends, allowing the transmission of rotational motion even when the shafts are at different angles to each other. Cardan couplings are widely used in mechanical systems to transmit torque and motion where angular misalignment is present.

Here’s how a cardan coupling works and how it is used in mechanical systems:

• Angular Misalignment: Cardan couplings are designed to accommodate angular misalignment between shafts. They can transmit torque between shafts that are at an angle to each other, typically up to 45 degrees. This ability to handle misalignment makes them suitable for various applications.
• Components: A cardan coupling consists of a cross-shaped yoke with four arms, two of which are connected to the input and output shafts. The two remaining arms are connected to each other through a bearing, which allows for the rotational motion.
• Transmitting Torque: As one shaft rotates, it imparts angular motion to the yoke. This angular motion is transferred to the other shaft through the bearing, allowing torque to be transmitted even when the shafts are not collinear.
• Application: Cardan couplings are used in various applications, including automotive drivetrains, industrial machinery, agricultural equipment, and even in some aerospace systems. They are often found in places where it’s necessary to transmit torque between non-parallel shafts while allowing for some degree of flexibility.
• Advantages: Cardan couplings are simple in design, relatively compact, and provide a cost-effective solution for transmitting torque in cases of angular misalignment. They are also capable of transmitting high torques while compensating for misalignment.
• Limitations: Cardan couplings have limitations in terms of the angle they can handle, and at extreme angles, they may produce uneven torque output due to their design. They can also introduce some degree of vibration and require periodic maintenance.

In mechanical systems, cardan couplings are used in various applications where the alignment between shafts cannot be maintained, such as in vehicles with independent suspension systems, industrial machinery with non-parallel shafts, and applications where flexibility and torque transmission are required despite angular misalignment.

editor by CX 2024-03-07