Product Description

Welded Transmission Shaft Telescopic Universal Coupling SWP-A Ball Coupling

Description:
The SWP-A long flexible welded universal joint is a Universal joint designed to transmit power between 2 misaligned shafts. It is a flexible coupling, which means it can compensate for misalignment up to 25 degrees. The SWP-A long bend welded universal coupling is made of 35CrMo material and comes in various sizes to meet the needs of different applications. SWP-A long bend welded universal couplings are widely used in mechanical applications such as rolling mills, punches, straighteners, crushers, ship transmissions, papermaking equipment, ordinary machinery, water pump equipment, test benches, etc.

SWP-A Long Flexible Welded Universal Coupling Features:
1. Possess the ability to compensate for large angles.
2. The structure is compact and reasonable. The SWP-A universal coupling is equipped with an integrated fork, making it more reliable in carrying capacity.
3. Carrying capacity. Compared to other types of rotating joint shafts with the same diameter, it provides more torque, limits the turning diameter of mechanical equipment, and has a wider range.
4. High transmission efficiency. Its transmission efficiency is 98-99.8%, suitable for high-power transmission and has energy-saving effect.
5. Smooth carrying, low noise, easy disassembly and maintenance.

Type	Tactical diameter D mm	Nominal torque Tn kN·m	Fatique torque Tf kN·m	Axis angle β (°)	Stretch length S mm	Size(mm)										Rotary inertia kg·m2		Mass kg
						Lmin	D1 js11	D2 H7	D3	E	E1	B×h	h1	L1	n-d	Lmin	Increase 100	Lmin	Increase 100
SWP160A	160	16	8	≤10	50	660	140	95	114	15	4	20×12	6	85	6-13	0.13	0.0059	47	2.1
SWP180A	180	20	10	≤10	60	752	155	105	121	15	4	24×14	7	95	6-15	0.22	0.0072	60	2.3
SWP200A	200	31.5	16	≤10	70	823	175	125	17	17	5	28×16	8	110	8-15	0.37	0.0114	81	3.4
SWP225A	225	40	20	≤10	76	933	196	135	152	20	5	32×18	9	130	8-17	0.63	0.5710	109	6.6
SWP250A	250	63	31.5	≤10	80	978	218	150	168	25	5	40×25	12.5	135	8-19	1.02	0.0407	147	7.3
SWP285A	285	90	45	≤10	100	1133	245	170	194	27	7	40×30	15	150	8-21	2.17	0.0702	241	9.4
SWP315A	315	140	63	≤10	110	1250	280	185	219	32	7	40×30	15	170	10-23	3.86	0.1144	322	12.0
SWP350A	350	180	90	≤10	120	1380	310	210	245	35	8	50×32	16	185	10-23	6.66	0.1663	428	13.6
SWP390A	390	250	112	≤10	120	1495	345	235	273	40	8	70×36	18	205	10-25	11.53	0.2695	566	18.0
SWP435A	435	355	160	≤10	150	1710	385	255	299	42	10	80×40	20	235	16-28	21.81	0.3645	932	20.0
SWP480A	480	450	224	≤10	170	1910	425	275	351	47	12	90×45	22.5	265	16-31	38.04	0.7571	1294	28.0
SWP550A	550	710	315	≤10	190	2135	492	320	402	50	12	100×45	22.5	290	16-31	61.28	1.1842	1744	35.7
SWP600A	600	1000	500	≤10	210	3580	544	380	450	55	15	90×55	27.5	360	22-34	98.63	1.7159	2330	40.5
SWP640A	640	1250	630	≤10	230	2685	575	385	480	60	15	100×60	30	385	18-38	167.67	2.3080	3153	48.3

·Note:L is the length of installation,including the value of S/Z shrinkage.

Packing & shipping:
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.

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 the customers with customized artworks in 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: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.
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Signs of Wear or Damage in a Cardan Coupling and Detection Methods

Over time, cardan couplings can experience wear or damage that may impact their performance. Some common signs of wear or damage include:

• Vibration: Excessive vibration during operation can indicate misalignment or worn components in the cardan coupling.
• Noise: Unusual noises such as clunking, knocking, or rattling can indicate worn bearings or other components.
• Increased Play: If there is noticeable play or backlash in the coupling, it may suggest worn or loose components.
• Reduced Performance: A decrease in torque transmission or power transfer efficiency can indicate wear in the coupling.
• Leakage: In the case of lubricated cardan couplings, leakage of lubricant may occur due to worn seals or damaged components.

To detect these signs of wear or damage, various methods can be employed:

• Visual Inspection: Regularly inspect the coupling for any visible signs of wear, corrosion, or damage.
• Vibration Analysis: Use vibration analysis tools to monitor vibration levels and detect any irregularities.
• Noise Analysis: Listen for unusual noises during operation, which may indicate worn or misaligned components.
• Torque Measurement: Monitor the torque transmitted through the coupling and compare it with expected values.
• Play Measurement: Check for any play or backlash in the coupling by manually moving the shafts.
• Lubricant Analysis: Analyze the condition of the lubricant for any contamination or signs of wear.

Regular maintenance and inspections are crucial for detecting and addressing wear or damage in cardan couplings before they lead to more severe issues or 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.

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 2024-02-09