Product Description

                                SWC DH Cardan Shaft(JB/T5513-91)

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;

♦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

·Notice: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

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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.

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.

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 2024-02-22