Product Description

Short Telescopic Welding Cardan Shaft Coupling (SWC DH)

SWC-DH type cross shaft universal coupling is 1 of the most commonly used coupling. The characteristics of the 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. 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.

The main features of SWC-DH type cross shaft universal coupling:
1. has a large angle compensation ability.
2. compact and reasonable structure. The SWC-DH type uses the integral fork head, causes the vehicle to have more reliable.
3 .carrying capacity.
4. high transmission efficiency. Its transmission efficiency up to 98-99.8%, used for large power transmission, energy saving effect is obvious.
5 .carry a smooth, low noise, easy to install and maintenance.

·SWC  DH Cardan Shaft Basic Parameter And Main Dimension(JB/T5513-1991)

Model	Tactical diameter D mm	Nominal torque Tn kN·m	Fatique torque Tf kN·m	Axis rotation β (°)	Stretch length LS mm	Lmin	Size mm									Rotary inertia kg.m2		Weight kg
							D1 js11	D2 H7	D3	Lm	n-d	k	t	b h9	g	Lmin	Increase 100mm	Lmin	Increase 100mm
SWC180DH1	180	20	10	≤25	75	650	155	105	114	110	8-17	17	5	24	7	0.165	0.0070	58	2.8
SWC180DH2					55	600										0.162		56
SWC180DH3					40	550										0.160		52
SWC200DH1	200	32	16	≤15	80	720	170	120	127	135	8-17	19	5	28	16	0.276	0.0130	76	3.6
SWC200DH2					50	690										0.261		74
SWC225DH1	225	40	20	≤15	85	710	196	135	152	120	8-17	20	5	32	9.0	0.415	0.5714	95	4.9
SWC225DH2					70	640										0.397		92
SWC250DH1	250	63	31.5	≤15	100	795	218	150	168	140	8-19	25	6	40	12.5	0.900	0.5717	148	5.3
SWC250DH2					70	735										0.885		136
SWC285DH1	285	90	45	≤15	120	950	245	170	194	160	8-21	27	7	40	15.0	1.826	0.571	229	6.3
SWC285DH2					80	880										1.801		221
SWC315DH1	315	125	63	≤15	130	1070	280	185	219	180	10-23	32	8	40	15.0	3.331	0.571	346	8.0
SWC315DH2					90	980										3.163		334
SWC350DH1	350	180	90	≤15	140	1170	310	210	267	194	10-23	35	8	50	16.0	6.215	0.2219	508	15.0
SWC350DH2					90	1070										5.824		485
SWC390DH1	390	250	125	≤15	150	1300	345	235	267	215	10-25	40	8	70	18.0	11.125	0.2219	655	15.0
SWC390DH2					90	1200										10.763		600

·Note:1.Tf-Torque allowed by fatigue strength under varible load
     2.Lmin-Minimum length after shortening
     3.L-Installation length as required

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

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.

Materials Used in Manufacturing Cardan Couplings

Cardan couplings, also known as universal joints or u-joints, are crucial components in mechanical systems that transmit torque and accommodate angular misalignment. These couplings are manufactured using a variety of materials to ensure durability, reliability, and performance. Common materials used in the manufacturing of cardan couplings include:

1. Steel: Steel is a widely used material due to its high strength, durability, and resistance to wear and corrosion. Alloy steels are often chosen for their enhanced mechanical properties and fatigue resistance.

2. Cast Iron: Cast iron is used in some cardan couplings, especially in older or heavier-duty applications. It provides good strength and vibration dampening properties.

3. Aluminum: Aluminum is chosen for its lightweight properties, making it suitable for applications where weight reduction is important. It is commonly used in industries such as automotive and aerospace.

4. Stainless Steel: Stainless steel is used when corrosion resistance is a critical factor. It is commonly employed in environments where the coupling may be exposed to moisture or corrosive substances.

5. Bronze: Bronze can be used in certain applications where self-lubricating properties are desired. It also provides good wear resistance.

6. Synthetic Polymers: Some modern cardan couplings use synthetic polymers or plastics in their construction to reduce weight and provide specific performance characteristics, such as dampening vibrations.

The choice of material depends on factors like the application requirements, operational conditions, torque transmission, operating speed, and environmental factors. Manufacturers select materials that offer the best combination of strength, durability, wear resistance, and corrosion resistance for the specific use case of the cardan coupling.

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 2023-10-10