China Standard China 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                                                                                                                                                                                                

       
 

      

Suitability of Cardan Couplings for High-Speed and Heavy-Duty Applications

Cardan couplings are well-suited for a wide range of applications, including high-speed and heavy-duty ones. Here’s why:

• High Torque Capacity: Cardan couplings can handle substantial torque loads, making them suitable for heavy-duty machinery and equipment.
• Angular Misalignment: They can accommodate significant angular misalignment, which is common in applications with varying shaft angles.
• Smooth Transmission: Cardan couplings provide smooth and continuous power transmission, essential for precision and stability in high-speed applications.
• Robust Construction: They are often built with durable materials and designed to withstand the stresses of heavy loads and high speeds.
• Shock Absorption: The flexibility of cardan couplings allows them to absorb shocks and vibrations, minimizing the impact on machinery components.
• Versatility: Cardan couplings can connect shafts of different sizes and types, allowing for versatility in various applications.
• Reliable Performance: When properly maintained and installed, cardan couplings offer reliable and consistent performance even in demanding conditions.

However, while cardan couplings are suitable for many high-speed and heavy-duty applications, it’s essential to consider factors such as alignment, lubrication, and maintenance to ensure optimal performance and longevity.

Handling High Torque and Axial Displacement with Cardan Couplings

Cardan couplings, also known as universal joints or u-joints, are designed to transmit torque between two shafts that are not in a straight line. They are versatile components commonly used in various applications, including those requiring high torque and axial displacement.

Handling High Torque: Cardan couplings are capable of handling high levels of torque transmission due to their robust design and construction. The design allows for torque to be transmitted through a series of interconnected components, including the cross-shaped yokes and the bearing assemblies. The use of high-strength materials and precision manufacturing techniques contributes to the coupling’s ability to transmit torque efficiently.

Handling Axial Displacement: While cardan couplings are primarily designed for accommodating angular misalignment, they can also handle a certain degree of axial displacement. Axial displacement refers to the movement of the connected shafts along their axis. However, the axial displacement capacity of a cardan coupling is limited compared to its ability to handle angular misalignment.

It’s important to note that excessive torque or axial displacement beyond the coupling’s design limits can lead to premature wear, increased vibrations, and reduced performance. Manufacturers provide specifications and guidelines for the maximum torque and axial displacement that a specific cardan coupling can handle. Engineers and designers should adhere to these specifications to ensure optimal performance and longevity of the coupling in their applications.

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 2023-11-16