China OEM China Leading Universal Couplings of SWC Cardan Shaft

Product Description

SWC Series-Medium-Duty Designs Cardan shaft

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
  
                                                                                                                                                                 

Quality Control                                                                                                                                                                                                

       
 

      

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Impact of Size and Design on Cardan Coupling Performance and Durability

The size and design of a cardan coupling play a crucial role in determining its performance and durability across various applications:

• Load Capacity: Larger and more robust cardan couplings are generally designed to handle higher torque and load capacities, making them suitable for heavy-duty applications.
• Flexibility: The design of the coupling’s universal joint and its flexibility affect how well it can accommodate angular misalignment while maintaining smooth power transmission.
• Alignment Tolerance: Well-designed cardan couplings have better alignment tolerances, allowing them to operate efficiently even in conditions with slight misalignment.
• Materials: The choice of materials impacts the coupling’s strength, corrosion resistance, and overall durability, especially in harsh environments.
• Bearing Arrangement: The bearing arrangement within the coupling affects its ability to withstand both axial and radial forces, which is crucial for stability.
• Sealing: Effective sealing mechanisms prevent contaminants from entering the coupling, ensuring smooth operation and preventing premature wear.
• Dynamic Balance: Proper dynamic balance reduces vibrations and stress on connected components, contributing to extended coupling life.
• Lubrication: The design should allow for adequate lubrication, which is essential for reducing friction and wear.
• Installation and Maintenance: A well-designed coupling should be easy to install and maintain, with accessible lubrication points and inspection areas.

Ultimately, the size and design of a cardan coupling should be carefully matched to the specific requirements of the application to ensure optimal performance, reliability, and longevity.

Challenges and Alignment of Cardan Couplings

Cardan couplings, while capable of accommodating angular misalignment, can pose certain challenges related to alignment. Here’s an overview of these challenges and how they can be addressed:

1. Angular Misalignment Limit: Cardan couplings have a limit to the amount of angular misalignment they can accommodate without causing excessive wear and vibration. It’s essential to stay within the manufacturer’s specified misalignment range.

2. Precision Assembly: Assembling a cardan coupling requires precision to ensure that the yokes and spider are aligned correctly. Misaligned assembly can lead to premature wear and increased vibrations.

3. Balancing and Vibration: Cardan couplings can introduce imbalances due to their design. Imbalances can result in vibration and reduce the overall efficiency of the system.

4. Lubrication: Adequate lubrication is crucial to minimize friction and wear in the bearings of the spider. Poor lubrication can lead to increased heat generation and accelerated wear.

5. Maintenance: Regular maintenance is required to monitor the condition of the coupling, including checking for wear, misalignment, and any signs of damage.

6. Torque Fluctuation: In applications with significant angular misalignment, cardan couplings may experience torque fluctuations due to the changing angles of the shafts.

To address these challenges:

– Follow the manufacturer’s guidelines for installation, alignment, and maintenance.

– Use precision tools and techniques during assembly to ensure proper alignment.

– Balance the rotating components to minimize vibration.

– Maintain proper lubrication to reduce friction and wear.

– Periodically inspect the coupling for wear, misalignment, and signs of damage.

– Consider using flexible couplings with higher misalignment capabilities for applications with extreme misalignment requirements.

Proper alignment, maintenance, and adherence to manufacturer recommendations can help maximize the efficiency and longevity of cardan couplings in mechanical systems.

Accommodation of Angular Misalignment in Shaft with Cardan Coupling

A cardan coupling, also known as a universal joint or u-joint, is designed to accommodate angular misalignment between two shafts while maintaining a constant velocity transfer. Here’s how it works:

The cardan coupling consists of two yokes or fork-like components, each attached to the end of a shaft. These yokes are connected by a cross-shaped central component called the cross or spider. The spider has bearings at its four ends that fit into grooves in the yokes.

When the connected shafts are misaligned at an angle, the spider allows the yokes to pivot around their respective shafts. This pivoting action of the yokes and the spider enables the coupling to transmit torque between the shafts even when they are not perfectly aligned. The spider’s bearings allow smooth rotation and transfer of power.

The design of the cardan coupling ensures that even during angular misalignment, the rotational speed remains consistent between the input and output shafts. However, it’s important to note that while cardan couplings can accommodate angular misalignment, they introduce a small amount of radial and axial movement, which can lead to fluctuating torque and vibration.

Cardan couplings are commonly used in applications where there is a need to transmit torque between shafts that are not in line, such as in drivetrains, vehicle suspensions, and industrial machinery.

editor by CX 2023-12-19