Product Description

SWP C Type Cardan Shaft(JB/T3241-1991)

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;

·Mark example:

 Tactical diameter D=390mm,Installation length L=1510mm,B type cardan shaft;

 SWP390B×1510 Coupling JB/T3241-91
 

·SWP C Type Cardan Shaft Basic Parameter And Main Dimension(JB/T3241-1991)

Type	Tactical diameter D mm	Nominal torque Tn kN·m	Fatique torque Tf kN·m	Axis angle β (°)	Size(mm)									Rotary inertia kg·m2	Mass kg
					L	D1 js11	D2 H7	E	E1	B×h	h1	L1	n-d
SWP160C	160	16	8	≤10	340	140	95	15	4	20×12	6	85	6-13	0.11	31
SWP180C	180	20	10	≤10	380	155	105	15	4	24×14	7	95	6-15	0.17	42
SWP200C	200	31.5	16	≤10	440	175	125	17	5	28×16	8	110	8-15	0.29	59
SWP225C	225	40	20	≤10	520	196	135	20	5	32×18	9	130	8-17	0.51	80
SWP250C	250	63	31.5	≤10	540	218	150	25	5	40×25	12.5	135	8-19	0.93	119
SWP285C	285	90	45	≤10	600	245	170	27	7	40×30	15	150	8-21	1.88	179
SWP315C	315	140	63	≤10	680	280	185	32	7	40×30	15	170	10-23	2.88	232
SWP350C	350	180	90	≤10	740	310	210	35	8	50×32	16	185	10-23	4.59	300
SWP390C	390	250	112	≤10	820	345	235	40	8	70×36	18	205	10-25	8.64	432
SWP435C	435	355	160	≤10	940	385	255	42	10	80×40	20	235	16-28	17.41	688
SWP480C	480	450	224	≤10	1060	425	275	47	12	90×45	22.5	265	16-31	28.25	904
SWP550C	550	710	315	≤10	1160	492	320	50	12	100×45	22.5	290	16-31	49.25	1309
SWP600C	600	1000	500	≤10	1440	544	380	55	15	90×55	27.5	360	22-34	87.17	1377
SWP640C	640	1250	630	≤10	1540	575	385	60	15	100×60	30	385	18-38	152.76	2635

 ·Product Show                 

 

♦Cardan Shaft Types
We can supply you SWP,SWC,WSD,WS universal coupling as following:
Welded shaft type with length compensation / expansion joint

Short type with length compensation / expansion joint

Short type without length compensation / expansion joint

Long type without length compensation / expansion joint

Double flange with length compensation / expansion joint

Long type with big length compensation / big expansion joint

Super Short type with length compensation / expansion joint

♦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

Packaging & Shipping

♦Our Company

HangZhou CZPT 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 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. 

♦Contact Us
Web: huadingcoupling
 
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
 

Explaining the Concept of Backlash and How It Affects Drive Coupling Performance

Backlash is a mechanical phenomenon that refers to the amount of free movement or play between the mating components of a drive system. In the context of drive couplings, backlash is the angular or linear displacement that occurs when there is a change in direction or a reversal of motion. It is mainly a result of clearances between the coupling’s mating elements.

The presence of backlash can have both positive and negative effects on drive coupling performance:

• Negative Effects of Backlash:
  • Reduced Accuracy: Backlash can introduce inaccuracies in position control systems, especially in applications requiring precise positioning. The free movement between the coupling elements can result in a delay in response when the direction of rotation changes, leading to positioning errors.
  • Vibration and Noise: Backlash can cause vibration and noise during operation, especially in systems with frequent changes in direction or load. The impact and collision of the mating elements can generate noise and contribute to mechanical wear.
  • Increased Wear: In systems with significant backlash, the constant impact between the mating components can accelerate wear and reduce the lifespan of the coupling and other connected machinery.
• Positive Effects of Backlash:
  • Shock Absorption: In certain applications, a controlled amount of backlash can act as a shock absorber, dampening sudden impact loads and reducing stress on the system during abrupt changes in motion.
  • Misalignment Compensation: Backlash can compensate for minor misalignments between shafts, reducing the risk of damage and excessive load on the coupling and connected components.
  • Thermal Expansion Compensation: Backlash can help accommodate thermal expansion and contraction of the components, allowing the coupling to function effectively even as the temperature changes.

The appropriate amount of backlash depends on the specific application and the coupling type. In some cases, minimizing backlash is essential for precision and accuracy, while in others, a controlled amount of backlash can be beneficial for shock absorption and misalignment compensation.

It’s crucial to consider the effects of backlash when selecting a drive coupling and designing a power transmission system. Manufacturers often provide information on the level of backlash in their coupling designs, enabling users to make informed decisions based on their application’s requirements.

Understanding the Torsional Stiffness and Damping Characteristics of Drive Couplings

Torsional stiffness and damping are essential characteristics of drive couplings that play a significant role in the performance and behavior of mechanical power transmission systems. Let’s explore these two properties:

Torsional Stiffness:

Torsional stiffness refers to the ability of a drive coupling to resist angular deflection or twisting when subjected to a torque load. It is a measure of the coupling’s rigidity and is typically represented by a spring constant. A coupling with high torsional stiffness will exhibit minimal angular deflection when torque is applied, providing a more direct transfer of rotational power. On the other hand, a coupling with lower torsional stiffness allows for some flexibility and misalignment tolerance.

Drive couplings with high torsional stiffness are commonly used in applications where precision and accurate torque transmission are crucial, such as precision machinery and high-speed power transmission systems. Couplings with lower torsional stiffness are employed in situations where flexibility and shock absorption are needed to protect connected components from sudden torque spikes and vibrations.

Torsional Damping:

Torsional damping characterizes the ability of a drive coupling to dissipate energy in the form of heat when subjected to torsional vibrations. Damping reduces the amplitude of vibrations and prevents resonance, which can be detrimental to the coupling and the entire power transmission system.

Drive couplings with adequate torsional damping can absorb and dampen torsional vibrations, preventing excessive wear on the coupling and the connected machinery. The damping capacity of the coupling is determined by its material properties and design. High torsional damping is especially important in applications where the drive system experiences varying torque loads and vibrations, as it helps maintain stability and extends the life of the coupling and other mechanical components.

Both torsional stiffness and damping are critical factors to consider when selecting a drive coupling for a specific application. The appropriate coupling choice will depend on the desired level of rigidity, flexibility, and vibration absorption required for the mechanical power transmission system.

How to Diagnose and Fix Common Problems with Drive Couplings?

Drive couplings, like any mechanical component, can experience issues over time. Diagnosing and fixing these problems promptly is essential to ensure the proper functioning of the power transmission system and prevent further damage. Here’s a step-by-step guide to diagnose and fix common problems with drive couplings:

1. Visual Inspection: Start by visually inspecting the drive coupling and surrounding components. Look for signs of wear, cracks, or damage in the coupling’s flexible elements, bolts, and connections.
2. Check for Misalignment: Misalignment is a common cause of drive coupling problems. Use alignment tools to check if the shafts connected by the coupling are properly aligned. Misalignment can lead to premature wear and vibration issues.
3. Listen for Unusual Noises: Unusual noises like clunking, rattling, or grinding may indicate problems with the drive coupling. Pay attention to any sounds while the vehicle is in motion.
4. Inspect for Fluid Leaks: Check for any transmission fluid leaks around the drive coupling area. Fluid leaks can lead to insufficient lubrication and cause further damage.
5. Test for Slippage: Slippage can occur if the drive coupling is not securely transmitting power. Perform tests to see if the transmission slips out of gear or has difficulty engaging.
6. Monitor Power Loss: If the vehicle experiences power loss or reduced acceleration, it may be due to a faulty drive coupling. Monitor the engine’s performance and power delivery.
7. Inspect Bolts and Fasteners: Loose or worn bolts and fasteners can lead to coupling problems. Check and tighten all connections as needed.
8. Examine Torsional Flexibility: For flexible drive couplings, assess the torsional flexibility to ensure it can accommodate torque fluctuations and prevent damage from torque spikes.
9. Replace Damaged Coupling: If you find any issues with the drive coupling during inspection, replace the damaged coupling with a new one that matches the required specifications.
10. Realign Shafts: If misalignment is detected, realign the shafts to the manufacturer’s recommended tolerances. Proper alignment will help prevent future problems.
11. Lubricate as Needed: Some drive couplings require periodic lubrication. Ensure that the coupling is adequately lubricated as per the manufacturer’s guidelines.
12. Perform Test Runs: After fixing the drive coupling or making adjustments, perform test runs to ensure that the transmission functions smoothly and there are no unusual noises or vibrations.

It’s essential to follow the manufacturer’s guidelines and maintenance schedules for the specific drive coupling used in your vehicle. Regular maintenance and inspections can help identify and address potential problems early, preventing costly repairs and ensuring the longevity of the power transmission system.

editor by CX 2023-09-05