Product Description
Shaft Coupling with Cross-Shaped Slider (SL)
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 provided 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.
| 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.
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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How to Identify Signs of Wear or Damage in an Oldham Coupling?
Regular inspection of Oldham couplings is essential to ensure their proper functioning and prevent unexpected failures. Here are some signs of wear or damage to look for during the inspection:
1. Visible Cracks or Deformation: Check the center disc and the hubs for any visible cracks, tears, or deformation. These can be indicators of excessive stress or misalignment.
2. Abnormal Vibrations: Excessive vibrations during operation may suggest that the coupling is not functioning correctly. It could be due to wear in the center disc or improper installation.
3. Unusual Noise: Grinding, clicking, or banging noises during equipment operation may indicate that the Oldham coupling is experiencing excessive backlash or misalignment.
4. Increased Backlash: If there is noticeable play or free movement between the coupling components, it may be a sign of wear in the center disc or worn hubs.
5. Reduced Performance: A decrease in the performance of the machinery or unexpected issues with power transmission could be indicative of coupling problems.
6. Abnormal Heating: If the coupling becomes unusually hot during operation, it may suggest friction or misalignment issues.
7. Excessive Wear on Center Disc: Inspect the center disc for signs of wear, such as grooves, uneven surfaces, or material loss. This may occur over time due to the repeated flexing of the disc.
8. Lubrication Issues: Improper or inadequate lubrication can lead to increased friction and wear in the coupling components.
If any of these signs are observed during the inspection, it is essential to address the issue promptly. Depending on the severity of the wear or damage, the Oldham coupling may require replacement or repair. Regular maintenance and proper lubrication can help extend the life of the coupling and prevent unexpected failures, ensuring smooth and reliable operation in the machinery or equipment.
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.
How an Oldham Coupling Accommodates Misalignment Between Shafts
An Oldham coupling accommodates misalignment between shafts through its unique design, which consists of three main components:
- Two Hubs: Each hub is attached to the shaft of the connected equipment. The hubs have a series of slots around their circumference.
- Middle Block: The middle block fits between the two hubs and has perpendicular slots on its inner diameter. It connects the two hubs while allowing relative movement between them.
When the shafts experience angular or axial misalignment, the middle block slides within the slots of both hubs. The perpendicular slots on the middle block engage with the slots on the hubs, creating a parallelogram linkage.
This parallelogram linkage allows the Oldham coupling to compensate for angular misalignment by enabling the hubs to rotate independently about their own axes. The sliding action of the middle block accommodates axial misalignment by allowing the hubs to move slightly closer or farther apart.
The use of sliding contact instead of direct physical contact between the hubs minimizes friction, backlash, and wear, making the Oldham coupling an efficient and reliable method for transmitting torque while accommodating misalignment.
Overall, the Oldham coupling’s ability to handle both angular and axial misalignment ensures smooth and precise torque transmission between shafts, reducing stress on connected equipment and extending the lifespan of mechanical components.
editor by CX 2024-04-11