Product Description

Hot Sale Standard Telescopic Welded Cardan Shaft

SWC-BH type cardan shaft coupling is a kind of the most commonly used with the characteristics of its structure can not in the same axis or axis angle or larger axial movement of 2 large equiangular continuous rotary speed, and reliably transfer torque and motion. It can be widely used in metallurgy, lifting, transportation, mining, petroleum, shipbuilding, coal, rubber, paper machinery and other heavy machinery industry machinery shaft in the transmission torque.

♦Basic Parameter And Main Dimension

Model		Tn kN • m	T. kN • m	p (.)	LS mm	Lmin	Size                            mm									I kg. m2		m       kg
							Di js11	d2 H7	Da	Lm	n-d	k	t	b h9	g	Lmin	100mm	Lmin	100mm
SWC58BH	58	0.15	0.075	≤22	35	325	47	30	38	35	4-5	3.5	1.5	–	–	–	–	2.2	–
SWC65BH	65	0.25	0.125	≤22	40	360	52	35	42	46	4-6	4.5	1.7	–	–	–	–	3.0	–
SWC75BH	75	0.50	0.25	≤22	40	395	62	42	50	58	6-6	5.5	2.0	–	–	–	–	5.0	–
SWC90BH	90	1.0	0.50	≤22	45	435	74.5	47	54	58	4-8	6.0	2.5	–	–	–	–	6.6	–
SWC100BH	100	1.5	0.75	≤25	55	390	84	57	60	58	6-9	7	2.5	–	–	0.0044	0.00019	6.1	0.35
SWC120BH	120	2.5	1.25	≤25	80	485	102	75	70	68	8-11	8	2.5	–	–	0.5719	0.00044	10.8	0.55
SWC150BH	150	5	2.5	≤25	80	590	13.0	90	89	80	8-13	10	3.0	–	–	0.0423	0.00157	24.5	0.85
SWC160BH	160	10	5	≤25	80	660	137	100	95	110	8-15	15	3.0	20	12	0.1450	0.0060	68	1.72
SWC180BH	180	20	10	≤25	100	810	155	105	114	130	8-17	17	5.0	24	14	0.1750	0.0070	70	2.8
SWC200BH	200	32	16	≤15	110	860	170	120	127	135	8-17	19	5.0	28	16	0.3100	0.0130	86	3.6
SWC225BH	225	40	20	≤15	140	920	196	135	152	120	8-17	20	5.0	32	9.0	0.5380	0.5714	122	4.9
SWC250BH	250	63	31.5	≤15	140	1035	218	150	168	140	8-19	25	6.0	40	12.5	0.9660	0.5717	172	5.3
SWC285BH	285	90	45	≤15	140	1190	245	170	194	160	8-21	27	7.0	40	15.0	2.0110	0.571	263	6.3
SWC315BH	315	125	63	≤15	140	1315	280	185	219	180	10-23	32	8.0	40	15.0	3.6050	0.571	382	8.0
SWC350BH	350	180	90	≤15	150	1410	310	210	267	194	10-23	35	8.0	50	16.0	7.571	0.2219	582	15.0
SWC390BH	390	250	125	≤15	170	1590	345	235	267	215	10-25	40	8.0	70	18.0	12.164	0.2219	738	15.0
SWC440BH	440	355	180	≤15	190	1875	390	255	325	260	16-28	42	10	80	20.0	21.420	0.4744	1190	21.7
SWC490BH	490	500	250	≤15	190	1985	435	275	325	270	16-31	47	12	90	22.5	32.860	0.4744	1452	21.7
SWC550BH	550	710	355	≤15	240	2300	492	320	426	305	16-31	50	12	100	22.5	68.920	1.3570	2380	34

·Marking Example:
  SWC 350BH Standard telescopic welded cardan shaft,Length=1610mm
  SWC 350BH*1610cardan shaft JB5513-91
·Note:
1.Tf-Torque allowed by fatigue strength under varible load
2.Lmin-Minimum length after shortening
3.L-Installation length as required

♦Product Show

♦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

♦Our Company
HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a technology-based company specializing in the design and manufacture of basic transmission parts and various auxiliary non-standard equipment accessories. The products are mainly used in metallurgy, electric power, mining, chemical industry, petroleum, papermaking, shipbuilding, heavy industry, etc.

In many industries, it has provided strong technical and equipment support for many companies around the world. At present, the products are also exported to Russia, Italy, Spain, Brazil, Ukraine, Turkey, Australia, Singapore, Vietnam, Indonesia, Malaysia, Sri Lanka and other countries and regions.

Welcome to customize products from our factory and please provide your design drawings or contact us if you need other requirements.

♦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. 2) L/C 

♦Contact Us

Add: No.1 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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Impact of Size and Design on Cardan Coupling Performance and Durability

The size and design of a cardan coupling play a crucial role in determining its performance and durability across various applications:

• Load Capacity: Larger and more robust cardan couplings are generally designed to handle higher torque and load capacities, making them suitable for heavy-duty applications.
• Flexibility: The design of the coupling’s universal joint and its flexibility affect how well it can accommodate angular misalignment while maintaining smooth power transmission.
• Alignment Tolerance: Well-designed cardan couplings have better alignment tolerances, allowing them to operate efficiently even in conditions with slight misalignment.
• Materials: The choice of materials impacts the coupling’s strength, corrosion resistance, and overall durability, especially in harsh environments.
• Bearing Arrangement: The bearing arrangement within the coupling affects its ability to withstand both axial and radial forces, which is crucial for stability.
• Sealing: Effective sealing mechanisms prevent contaminants from entering the coupling, ensuring smooth operation and preventing premature wear.
• Dynamic Balance: Proper dynamic balance reduces vibrations and stress on connected components, contributing to extended coupling life.
• Lubrication: The design should allow for adequate lubrication, which is essential for reducing friction and wear.
• Installation and Maintenance: A well-designed coupling should be easy to install and maintain, with accessible lubrication points and inspection areas.

Ultimately, the size and design of a cardan coupling should be carefully matched to the specific requirements of the application to ensure optimal performance, reliability, and longevity.

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.

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 2024-05-09