Product Description

Short Telescopic Welding Cardan Shaft Coupling (SWC DH)

SWC-DH type cross shaft universal coupling is 1 of the most commonly used coupling. The characteristics of the structure can not in the same axis or axis angle or larger axial movement of 2 large equiangular continuous rotary speed, and reliably transfer torque and motion. Can be widely used in metallurgy, lifting, transportation, mining, petroleum, shipbuilding, coal, rubber, paper machinery and other heavy machinery industry machinery shaft in the transmission torque.

The main features of SWC-DH type cross shaft universal coupling:
1. has a large angle compensation ability.
2. compact and reasonable structure. The SWC-DH type uses the integral fork head, causes the vehicle to have more reliable.
3 .carrying capacity.
4. high transmission efficiency. Its transmission efficiency up to 98-99.8%, used for large power transmission, energy saving effect is obvious.
5 .carry a smooth, low noise, easy to install and maintenance.

·SWC  DH 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
SWC180DH1 180 20 10 ≤25 75 650 155 105 114 110 8-17 17 5 24 7 0.165 0.0070 58 2.8
SWC180DH2 55 600 0.162 56
SWC180DH3 40 550 0.160 52
SWC200DH1 200 32 16 ≤15 80 720 170 120 127 135 8-17 19 5 28 16 0.276 0.0130 76 3.6
SWC200DH2 50 690 0.261 74
SWC225DH1 225 40 20 ≤15 85 710 196 135 152 120 8-17 20 5 32 9.0 0.415 0.5714 95 4.9
SWC225DH2 70 640 0.397 92
SWC250DH1 250 63 31.5 ≤15 100 795 218 150 168 140 8-19 25 6 40 12.5 0.900 0.5717 148 5.3
SWC250DH2 70 735 0.885 136
SWC285DH1 285 90 45 ≤15 120 950 245 170 194 160 8-21 27 7 40 15.0 1.826 0.571 229 6.3
SWC285DH2 80 880 1.801 221
SWC315DH1 315 125 63 ≤15 130 1070 280 185 219 180 10-23 32 8 40 15.0 3.331 0.571 346 8.0
SWC315DH2 90 980 3.163 334
SWC350DH1 350 180 90 ≤15 140 1170 310 210 267 194 10-23 35 8 50 16.0 6.215 0.2219 508 15.0
SWC350DH2 90 1070 5.824 485
SWC390DH1 390 250 125 ≤15 150 1300 345 235 267 215 10-25 40 8 70 18.0 11.125 0.2219 655 15.0
SWC390DH2 90 1200 10.763 600

·Note: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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cardan coupling

Maintenance Practices for Ensuring Cardan Coupling Reliability

To ensure the reliability of cardan couplings, the following maintenance practices are crucial:

  • Lubrication: Regularly inspect and maintain the lubrication system. Ensure proper lubricant levels and use lubricants recommended by the manufacturer.
  • Alignment: Maintain proper alignment between the input and output shafts. Misalignment can lead to premature wear and reduced efficiency.
  • Regular Inspections: Perform visual inspections to detect signs of wear, damage, or corrosion. Regular inspections can help identify issues before they become major problems.
  • Monitoring: Use sensors and monitoring systems to track the performance of the cardan coupling. Monitor temperature, vibration, and other parameters for anomalies.
  • Torque Analysis: Analyze the torque requirements of the machinery system to ensure that the cardan coupling can handle the load without exceeding its limits.
  • Periodic Maintenance: Follow the manufacturer’s recommended maintenance schedule. This may include replacing worn components, lubricant changes, and alignment adjustments.
  • Record Keeping: Maintain detailed maintenance records, including inspection dates, lubrication schedules, and any repairs performed.
  • Training: Ensure that maintenance personnel are trained to properly inspect, maintain, and troubleshoot cardan couplings.

By implementing these maintenance practices, operators can extend the lifespan of cardan couplings, prevent unexpected failures, and optimize the performance of machinery systems.

cardan coupling

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.

cardan coupling

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.

China Hot selling Telescopic Cardan Shaft Telescopic Universal Joint Shaft Coupling  China Hot selling Telescopic Cardan Shaft Telescopic Universal Joint Shaft Coupling
editor by CX 2024-03-06