Product Description

HangZhou  Xihu (West Lake) Dis. universal shafts Co.,LTD  is a leading  professional manufacturer of cardan shafts in China. It is located in HangZhou ,ZheJiang Province. Our company has focused on the research and development , design and manufacture with different kinds of cardan shafts for almost 15 years.
Our producted cardan shafts are widely used in domestic large steel enterprises, such as ZheJiang Baosteel, HangZhou Iron and Steel Corporation, HangZhou Steel Corp and other domestic large-scale iron and steel enterprises.Now more products are exported to Europe, North America and Southeast Asia and other regions.
Our cardan shafts can be used to resist vibration and impact in the harsh environment of steel rolling, and the service life of cardan shafts is longer. We can also customize the special connection modes of cardan shafts in accordance of customers’ requirements .High precision, flexible joints, easy installation, perfect after-sales service and so on are highlight features of our products.  
 
The following table for SWC Medium-sized Universal Shaft Parameters. 

Designs

Data and Sizes of SWC Series Universal Joint Couplings

Type	Design Data Item	SWC160	SWC180	SWC200	SWC225	SWC250	SWC265	SWC285	SWC315	SWC350	SWC390	SWC440	SWC490	SWC550	SWC620
A	L	740	800	900	1000	1060	1120	1270	1390	1520	1530	1690	1850	2060	2280
	LV	100	100	120	140	140	140	140	140	150	170	190	190	240	250
	M(kg)	65	83	115	152	219	260	311	432	610	804	1122	1468	2154	2830
B	L	480	530	590	640	730	790	840	930	100	1571	1130	1340	1400	1520
	M(kg)	44	60	85	110	160	180	226	320	440	590	820	1090	1560	2100
C	L	380	420	480	500	560	600	640	720	782	860	1040	1080	1220	1360
	M(kg)	35	48	66	90	130	160	189	270	355	510	780	970	1330	1865
D	L	520	580	620	690	760	810	860	970	1030	1120	1230	1360	1550	1720
	M(kg)	48	65	90	120	173	220	250	355	485	665	920	1240	1765	2390
E	L	800	850	940	1050	1120	1180	1320	1440	1550	1710	1880	2050	2310	2540
	LV	100	100	120	140	140	140	140	140	150	170	190	190	240	250
	M(kg)	70	92	126	165	238	280	340	472	660	886	1230	1625	2368	3135
	Tn(kN·m)	16	22.4	31.5	40	63	80	90	125	180	250	355	500	710	1000
	TF(kN·m)	8	11.2	16	20	31.5	40	45	63	90	125	180	250	355	500
	Β(°)	15	15	15	15	15	15	15	15	15	15	15	15	15	15
	D	160	180	200	225	250	265	285	315	350	390	440	490	550	620
	Df	160	180	200	225	250	265	285	315	350	3690	440	490	550	620
	D1	137	155	170	196	218	233	245	280	310	345	390	435	492	555
	D2(H9)	100	105	120	135	150	160	170	185	210	235	255	275	320	380
	D3	108	114	140	159	168	180	194	219	245	273	299	325	402	426
	Lm	95	105	110	125	140	150	160	180	195	215	260	270	305	340
	K	16	17	18	20	25	25	27	32	35	40	42	47	50	55
	T	4	5	5	5	6	6	7	8	8	8	10	12	12	12
	N	8	8	8	8	8	8	8	10	10	10	16	16	16	16
	D	15	17	17	17	19	19	21	23	23	25	28	31	31	38
	B	20	24	32	32	40	40	40	40	50	70	80	90	100	100
	G	6.0	7.0	9.0	9.0	12.5	12.5	12.5	15.0	16.0	18.0	20.0	22.5	22.5	25
	MI(Kg)	2.57	3	3.85	3.85	5.17	6	6.75	8.25	10.6	13	18.50	23.75	29.12	38.08
	Size	M14	M16	M16	M16	M18	M18	M20	M22	M22	M24	M27	M30	M30	M36
	Tightening torque(Nm)	180	270	270	270	372	372	526	710	710	906	1340	1820	1820	3170

1. Notations: 
L=Standard length, or compressed length for designs with length compensation; 
LV=Length compensation; 
M=Weight; 
Tn=Nominal torque(Yield torque 50% over Tn); 
TF=Fatigue torque, I. E. Permissible torque as determined according to the fatigue strength
Under reversing loads; 
Β=Maximum deflection angle; 
MI=weight per 100mm tube
2. Millimeters are used as measurement units except where noted; 
3. Please consult us for customizations regarding length, length compensation and Flange connections. 
(DIN or SAT etc. )
 

Brief Introduction

Processing flow

Applications
  
                                                                                                                                                                 

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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.

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 2024-02-18