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

Recent Technological Advancements in Cardan Coupling Design

In recent years, there have been notable advancements and innovations in the design of cardan couplings:

• Material Enhancements: Advances in materials science have led to the development of high-strength and lightweight materials that can improve the performance and durability of cardan couplings.
• Sealing Technology: Improved sealing mechanisms and materials help prevent contamination and enhance the lifespan of cardan couplings.
• Computer-Aided Design (CAD): CAD software allows for more precise and optimized design of cardan couplings, leading to better performance and reduced stress concentrations.
• Finite Element Analysis (FEA): FEA techniques enable engineers to simulate the behavior of cardan couplings under various loads and conditions, aiding in design optimization.
• Lubrication Systems: Innovations in lubrication systems ensure efficient and consistent lubrication, reducing wear and enhancing coupling longevity.
• Monitoring and Diagnostics: Integration of sensors and monitoring systems enables real-time data collection for performance analysis, predictive maintenance, and early detection of issues.
• Customization: Advanced manufacturing techniques allow for more customization, making it possible to design cardan couplings tailored to specific applications.

These advancements contribute to the overall efficiency, reliability, and performance of cardan couplings, making them more suitable for a wide range of applications.

Handling High Torque and Axial Displacement with Cardan Couplings

Cardan couplings, also known as universal joints or u-joints, are designed to transmit torque between two shafts that are not in a straight line. They are versatile components commonly used in various applications, including those requiring high torque and axial displacement.

Handling High Torque: Cardan couplings are capable of handling high levels of torque transmission due to their robust design and construction. The design allows for torque to be transmitted through a series of interconnected components, including the cross-shaped yokes and the bearing assemblies. The use of high-strength materials and precision manufacturing techniques contributes to the coupling’s ability to transmit torque efficiently.

Handling Axial Displacement: While cardan couplings are primarily designed for accommodating angular misalignment, they can also handle a certain degree of axial displacement. Axial displacement refers to the movement of the connected shafts along their axis. However, the axial displacement capacity of a cardan coupling is limited compared to its ability to handle angular misalignment.

It’s important to note that excessive torque or axial displacement beyond the coupling’s design limits can lead to premature wear, increased vibrations, and reduced performance. Manufacturers provide specifications and guidelines for the maximum torque and axial displacement that a specific cardan coupling can handle. Engineers and designers should adhere to these specifications to ensure optimal performance and longevity of the coupling in their applications.

How do you properly install and maintain a cardan coupling in machinery?

Proper installation and maintenance of a cardan coupling are crucial to ensure its reliable performance and longevity:

• Installation:
  • Align the shafts properly before connecting the coupling to minimize initial misalignment.
  • Ensure that the universal joints are in phase, meaning their yokes are in the same orientation to prevent uneven torque transmission.
  • Follow the manufacturer’s instructions for torque specifications while tightening bolts and fasteners to prevent overloading or loosening during operation.
  • Make sure the coupling is properly centered and balanced to avoid vibrations.
  • Check for any obstructions or interference that might affect the movement of the coupling.
• Maintenance:
  • Regularly inspect the coupling for signs of wear, such as cracks, corrosion, or damaged components.
  • Monitor the alignment of the shafts to detect any misalignment that might occur over time.
  • Lubricate the universal joints and bearings as recommended by the manufacturer to reduce friction and wear.
  • Replace worn or damaged components promptly to prevent further deterioration and potential coupling failure.
  • Perform vibration analysis and balancing to ensure the coupling operates smoothly and doesn’t contribute to excessive vibrations in the machinery.
  • Regularly check for any signs of overheating, which might indicate inadequate lubrication or other issues.
  • Keep the coupling area clean from debris, dirt, and contaminants that could affect its performance.

By following proper installation procedures and conducting regular maintenance checks, you can maximize the efficiency and reliability of a cardan coupling in machinery.

editor by CX 2023-10-10