Product Description

Heavy Duty SWC BF Cardan Shaft(JB/T5513-91)

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;

·SWC BF Cardan Shaft Basic Parameter And Main Dimension(JB/T5513-1991)

Model	Tactical diameter D mm	Nominal torque Tn kN·m	Fatique torque Tf kN·m	Axis rotation β (°)	Stretch length LS mm	Lmin	Size mm									Rotary inertia kg.m2		Weight kg
							D1 js11	D2 H7	D3	Lm	n-d	k	t	b h9	g	Lmin	Increase 100mm	Lmin	Increase 100mm
SWC180BF	180	20	10	≤25	100	810	155	105	114	110	8-17	17	5	24	7	0.267	0.0070	80	2.8
SWC200BF	200	32	16	≤15	110	860	170	120	127	135	8-17	19	5	28	8	0.505	0.0130	109	3.6
SWC225BF	225	40	20	≤15	140	920	196	135	152	120	8-17	20	5	32	9	0.788	0.5714	138	4.9
SWC250BF	250	63	31.5	≤15	140	1035	218	150	168	140	8-19	25	6	40	12.5	1.445	0.5717	196	5.3
SWC285BF	285	90	45	≤15	140	1190	245	170	194	160	8-21	27	7	40	15	2.873	0.571	295	6.3
SWC315BF	315	125	63	≤15	140	1315	280	185	219	180	10-23	32	8	40	15	5.094	0.795	428	8.0
SWC350BF	350	180	90	≤15	150	1410	310	210	267	194	10-23	35	8	50	16	9.195	0.2219	932	15.0
SWC390BF	390	250	125	≤15	170	1590	345	235	267	215	10-25	40	8	70	18	16.62	0.2219	817	15.0
SWC440BF	440	355	180	≤15	190	1875	390	255	325	260	16-28	42	10	80	20	28.24	0.4744	1290	21.7
SWC490BF	490	500	250	≤15	190	1985	435	275	325	270	16-31	47	12	90	22.5	46.33	0.4744	1631	21.7
SWC550BF	550	710	355	≤15	240	2300	492	320	426	305	16-31	50	12	100	22.5	86.98	1.3570	2567	34.0
SWC620BF	620	1000	500	≤15	240	2500	555	380	426	340	16-38	55	12	100	25	147.50	1.3750	3267	34.0

·Note:1.Tf-Torque allowed by fatigue strength under varible load
     2.Lmin-Minimum length after shortening
     3.L-Installation length as required
 

 

·Notice:1.Tf-Torque allowed by fatigue strength under varible load
              2.Lmin-Minimum length after shortening
              3.L-Installation length as required

Detailed Photos

Packaging & Shipping

Company Profile

HangZhou CHINAMFG 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 shafts 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 new models when there are new cars in the market.

5. Quality Control
Every step should be a particular test by Professional Staff according to the standard of ISO9001 and TS16949.

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 customers with customized PDF or AI format artwork.

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 an excellent price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances. 

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

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Phasing in Cardan Couplings and Its Impact on Performance

The concept of phasing in cardan couplings refers to the alignment of the universal joints’ yokes or flanges on the input and output shafts. Proper phasing is essential to minimize angular misalignment and maintain smooth rotational motion. When the yokes of the universal joints are not aligned correctly, it can result in uneven torque transmission, increased wear, and vibrations.

Phasing affects the performance of cardan couplings in several ways:

• Uniform Torque Transmission: Proper phasing ensures that torque is evenly distributed between the input and output shafts, reducing the risk of overloading individual universal joints.
• Reduced Vibrations: Correctly phased universal joints minimize angular misalignment, which helps reduce vibrations and noise in the machinery system.
• Extended Lifespan: Improved phasing leads to reduced wear and stress on the universal joint components, extending the overall lifespan of the coupling.
• Efficient Power Transmission: Proper phasing contributes to efficient power transmission by minimizing energy losses due to misalignment.

To achieve proper phasing, manufacturers often provide guidelines or marks on the coupling components to ensure accurate alignment. It’s essential to follow these guidelines during installation and any maintenance or adjustments to maintain optimal performance and reliability of the cardan coupling.

Comparison of Cardan Couplings with Other Flexible Couplings

Cardan couplings, universal joints, and gear couplings are all types of flexible couplings used to transmit torque while accommodating misalignment. Here’s how a cardan coupling compares to other flexible coupling types:

1. Cardan Couplings:

– Also known as shaft couplings or u-joints.

– Typically consist of two yokes connected by a cross-shaped component called a spider.

– Accommodate angular misalignment.

– Limited to relatively lower speeds and torques.

– Provide moderate torsional flexibility.

2. Universal Joints:

– Consist of two yokes connected by cross-shaped pins and bearings.

– Accommodate angular misalignment similar to cardan couplings.

– Can transmit higher torques than cardan couplings.

– Limited in their ability to handle axial and parallel misalignment.

– Used in various applications, including automotive and industrial equipment.

3. Gear Couplings:

– Feature toothed gears that mesh to transmit torque.

– Accommodate angular, axial, and parallel misalignment.

– Suitable for high-speed and high-torque applications.

– Provide high torsional rigidity and accurate torque transmission.

– Require proper lubrication and maintenance.

When comparing these coupling types:

– Cardan couplings are simple and cost-effective solutions for moderate torque and speed applications with angular misalignment.

– Universal joints are versatile but may have limitations in handling higher torques and other misalignment types.

– Gear couplings offer superior torque and misalignment handling but are more complex and may require more maintenance.

The choice of coupling type depends on the specific application’s torque, speed, misalignment, and precision requirements.

What is a cardan coupling and how is it used in mechanical systems?

A cardan coupling, also known as a universal joint or U-joint coupling, is a mechanical component used to transmit torque between two shafts that are not in alignment but intersect at an angle. It consists of a cross-shaped yoke with two perpendicular shafts connected at its ends, allowing the transmission of rotational motion even when the shafts are at different angles to each other. Cardan couplings are widely used in mechanical systems to transmit torque and motion where angular misalignment is present.

Here’s how a cardan coupling works and how it is used in mechanical systems:

• Angular Misalignment: Cardan couplings are designed to accommodate angular misalignment between shafts. They can transmit torque between shafts that are at an angle to each other, typically up to 45 degrees. This ability to handle misalignment makes them suitable for various applications.
• Components: A cardan coupling consists of a cross-shaped yoke with four arms, two of which are connected to the input and output shafts. The two remaining arms are connected to each other through a bearing, which allows for the rotational motion.
• Transmitting Torque: As one shaft rotates, it imparts angular motion to the yoke. This angular motion is transferred to the other shaft through the bearing, allowing torque to be transmitted even when the shafts are not collinear.
• Application: Cardan couplings are used in various applications, including automotive drivetrains, industrial machinery, agricultural equipment, and even in some aerospace systems. They are often found in places where it’s necessary to transmit torque between non-parallel shafts while allowing for some degree of flexibility.
• Advantages: Cardan couplings are simple in design, relatively compact, and provide a cost-effective solution for transmitting torque in cases of angular misalignment. They are also capable of transmitting high torques while compensating for misalignment.
• Limitations: Cardan couplings have limitations in terms of the angle they can handle, and at extreme angles, they may produce uneven torque output due to their design. They can also introduce some degree of vibration and require periodic maintenance.

In mechanical systems, cardan couplings are used in various applications where the alignment between shafts cannot be maintained, such as in vehicles with independent suspension systems, industrial machinery with non-parallel shafts, and applications where flexibility and torque transmission are required despite angular misalignment.

editor by CX 2024-02-17