Product Description
Shaft Coupling with Cross-Shaped Slider (SL)
Product Description
SL cross-type Oldham coupling also known as metal slider coupling, 2 end surface is provided with middle slider radial grooves and half couplings are respectively supplied with tenon which was perpendicular to the middle slider at both ends of the tenon are respectively inserted, then coupling groove 2.5, forming a moving pair, if the amount of axial misalignment or deflection, motion of the slider in the groove of the slide, so to add lubricating oil working face groove and the slider, if the 2 are not concentric, when the speed is high, due to the eccentric slider will produce large centrifugal force and wear, and to bring the shaft and the loading of Jose this only applies to low speed and large load transfer.
Product Parameters
| Model | Tn(N·M) | [n]r/min | d | D | D1 | L | H | S | (kg.m 2 ) | (kg) |
| SL70 | 120 | 250 | 15~18 | 70 | 32 | 42 | 14 | 0.5 | 0.002 | 1.5 |
| SL90 | 250 | 250 | 20~30 | 90 | 45 | 52 | 14 | 0.008 | 2.6 | |
| SL100 | 500 | 250 | 36~40 | 100 | 60 | 70 | 19 | 0.026 | 5.5 | |
| SL130 | 800 | 250 | 45~50 | 130 | 80 | 90 | 19 | 0.07 | 10 | |
| SL150 | 1250 | 250 | 55~60 | 150 | 95 | 112 | 19 | 0.14 | 15.5 | |
| SL170 | 2000 | 250 | 65~70 | 170 | 105 | 125 | 24 | 0.25 | 22.4 | |
| SL190 | 3200 | 250 | 75~80 | 190 | 110 | 140 | 29 | 0.5 | 31.5 | |
| SL210 | 5000 | 250 | 85~90 | 210 | 130 | 160 | 33 | 1.0 | 0.9 | 45 |
| SL240 | 8000 | 250 | 95~100 | 240 | 140 | 180 | 33 | 1.6 | 59.5 | |
| SL260 | 9000 | 250 | 100~110 | 260 | 160 | 190 | 33 | 2 | 76 | |
| SL280 | 10000 | 100 | 110~120 | 280 | 170 | 200 | 33 | 3 | 94.3 | |
| SL300 | 13000 | 100 | 120~130 | 300 | 180 | 210 | 43 | 4.3 | 111 | |
| SL320 | 16000 | 100 | 130~140 | 320 | 190 | 220 | 43 | 5.7 | 129 | |
| SL340 | 20000 | 100 | 150 | 340 | 210 | 250 | 48 | 8.4 | 162 | |
| SL360 | 32500 | 100 | 160 | 360 | 240 | 280 | 48 | 19.2 | 258 | |
| SL400 | 38700 | 80 | 170 | 400 | 260 | 300 | 48 | 26.1 | 305 | |
| SL460 | 63000 | 70 | 200 | 460 | 300 | 350 | 58 | 62.9 | 560 |
Detailed Photos
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.
After Sales Service
1. Design Services
Our design team has experience in the 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 special 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 the customers with customized artwork in PDF or AI format.
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 then the cost of the sample will be deducted.
Q 5: How extended 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

Specific Safety Considerations for Using Oldham Couplings in High-Speed Applications
When using Oldham couplings in high-speed applications, there are several safety considerations to keep in mind to ensure the safe and efficient operation of the machinery:
1. Material Selection: Choose high-quality materials for the Oldham coupling components to withstand the stresses and forces experienced at high speeds.
2. Proper Installation: Ensure the coupling is installed correctly and securely to prevent any chances of coupling failure or disengagement during high-speed operation.
3. Balancing: Balance the coupling components accurately to minimize vibration and prevent excessive wear, which can be more pronounced at high speeds.
4. Regular Inspections: Implement a regular inspection and maintenance schedule to identify any signs of wear, misalignment, or damage that may occur due to high-speed operation.
5. Lubrication: Use appropriate lubrication to reduce friction and heat generation, which is crucial in high-speed applications.
6. Temperature Consideration: Monitor the temperature of the coupling during operation as high speeds can result in increased heat generation.
7. Avoid Overloading: Do not exceed the recommended torque and speed limits specified by the manufacturer to avoid overloading the coupling.
8. Coupling Guards: Consider using coupling guards or covers to protect personnel from rotating or moving coupling components in high-speed systems.
9. Emergency Shutdown: Install an emergency shutdown system to quickly stop the machinery in case of coupling failure or other emergencies.
10. Compliance with Standards: Ensure that the Oldham coupling and its installation comply with industry standards and regulations for high-speed applications.
By adhering to these safety considerations and implementing preventive measures, the risk of accidents, machinery damage, and downtime in high-speed applications can be significantly reduced. Always consult the coupling manufacturer’s guidelines and follow best practices for safe operation and maintenance.

Can an Oldham Coupling be Used in Both Horizontal and Vertical Shaft Orientations?
Yes, an Oldham coupling can be used in both horizontal and vertical shaft orientations. The design of the Oldham coupling allows it to accommodate misalignment between shafts in multiple directions, including axial, angular, and parallel misalignments.
In horizontal shaft arrangements, the Oldham coupling can handle misalignment between two parallel shafts while transmitting torque smoothly and efficiently. It is commonly used in various power transmission applications where two shafts are relatively close together and require a reliable coupling to compensate for misalignment.
In vertical shaft orientations, the Oldham coupling can handle axial misalignment, which is the misalignment between the rotational axes of the two shafts. This makes it suitable for applications where the connected shafts are not perfectly aligned due to gravitational forces or other factors.
The Oldham coupling’s ability to accommodate misalignment in both horizontal and vertical shaft orientations makes it a versatile choice for a wide range of mechanical systems, including pumps, compressors, conveyor systems, and more. However, it is essential to ensure proper installation and maintenance to maximize the coupling’s performance and service life in any shaft orientation.

What is an Oldham Coupling and How Does It Function in Mechanical Systems?
An Oldham coupling is a type of flexible coupling used in mechanical systems to transmit torque between two shafts that are misaligned. It consists of three main components: two hubs or discs and a middle block. The two hubs are connected to the respective shafts, and the middle block sits in between them.
The key feature of the Oldham coupling is the middle block, which has slots on its opposite faces and is connected to the hubs using pins or keys. The slots in the middle block are oriented perpendicular to each other, allowing the middle block to move in a plane perpendicular to the axis of the shafts.
When torque is applied to one shaft, it is transmitted to the middle block of the coupling. Due to the slots, the middle block can slide laterally as the shafts rotate, accommodating both angular and axial misalignments between the shafts. This sliding action helps to reduce the reaction forces and wear that would otherwise occur in rigid couplings when misalignment is present.
Oldham couplings are known for their ability to provide constant velocity transmission even when misalignment exists. They do not have any backlash, which means there is minimal play between the coupling components during rotation. This feature makes them suitable for precision applications where accurate torque transmission and positioning are required.
One of the main advantages of the Oldham coupling is that it effectively isolates the connected shafts from each other, which can help in reducing vibrations and noise. Additionally, it can compensate for parallel misalignment between the shafts, making it ideal for applications where parallel shafts need to be connected while allowing some degree of misalignment.
Oldham couplings are commonly used in various industrial machinery and automation systems, including CNC machines, robotics, printing presses, and conveyor systems. They are particularly useful in applications where precise torque transmission, misalignment compensation, and low maintenance are essential.


editor by CX 2023-09-18