Product Description
Product Description
Elastic Pin Shaft Coupling (HL)
Characteristics of HL type elastic pin coupling:
1, the structure is simple, easy to manufacture, assembly and disassembly and replacement of flexible components is more convenient, do not move the 2 coupling;
2, elastic element (PIN) of the material is generally used nylon 6, there is a trace amount of compensation for 2 axis offset, should not be used for low speed into heavy load and has a strong impact and vibration of the larger transmission shaft, the strength of its conditions;
3, the strength is extrusion strength calculation of shear strength and pin and pin hole wall elastic pin on cross section; HL type elastic pin coupling with elastic sleeve is sheathed with the pin (rubber), installed in the 2 coupling flange holes, in order to achieve 2 coupling connection. The elastic element (PIN) materials used in general nylon, traces of 2 axis offset compensation ability, elastic piece work under shear, poor reliability, speed of transmission shaft to apply only low requirements, not suitable for high reliability conditions.
| Model | Tn(N.m) | [n]r/min | d 1 d 2 d z | D | S | Kg.m 2 | Kg | |||||
| Y | Z,J 1 ,Z | |||||||||||
| L | L 1 | L | ||||||||||
| Steel | Iron | Steel | Iron | |||||||||
| HL1 | 160 | 7100 | 12 14 | 12 14 | 32 | 27 | 32 | 90 | 2.5 | 0.0064 | 2 | |
| 16 18 | 16 18 | 42 | 30 | 42 | ||||||||
| 19 | 19 | |||||||||||
| 20 22 | 20 22 | 52 | 38 | 52 | ||||||||
| 24 | ||||||||||||
| HL2 | 315 | 5600 | 20 22 | 20 22 | 52 | 38 | 52 | 120 | 2.5 | 0.253 | 5 | |
| 24 | 24 | |||||||||||
| 25 28 | 25 28 | 62 | 44 | 62 | ||||||||
| 30 32 | 30 32 | 82 | 60 | 82 | ||||||||
| 35 | ||||||||||||
| HL3 | 630 | 5000 | 30 32 | 30 32 | 82 | 60 | 82 | 160 | 2.5 | 0.6 | 8 | |
| 35 38 | 35 38 | |||||||||||
| 40 42 | 40 42 | 112 | 84 | 112 | ||||||||
| 45 48 | ||||||||||||
| HL4 | 1250 | 4000 | 2800 | 40 42 | 40 42 | 112 | 84 | 112 | 195 | 3 | 3.4 | 22 |
| 45 48 | 45 48 | |||||||||||
| 50 55 | 50 55 | |||||||||||
| 56 | 56 | |||||||||||
| 60 63 | 142 | 107 | 142 | |||||||||
| HL5 | 2000 | 3550 | 2500 | 50 55 | 50 55 | 112 | 84 | 112 | 220 | 3 | 5.4 | 30 |
| 56 | 56 | |||||||||||
| 60 63 | 60 63 | 142 | 107 | 142 | ||||||||
| 65 67 | 65 67 | |||||||||||
| 71 75 | ||||||||||||
| HL6 | 3150 | 2800 | 2100 | 60 63 | 60 63 | 142 | 107 | 142 | 280 | 4 | 15.6 | 53 |
| 65 70 | 65 70 | |||||||||||
| 71 75 | 71 75 | |||||||||||
| 80 | 80 | |||||||||||
| 85 | 172 | 132 | 172 | |||||||||
| HL7 | 6300 | 2240 | 1700 | 70 71 | 70 71 | 142 | 107 | 142 | 320 | 4 | 41.1 | 98 |
| 75 | 75 | |||||||||||
| 80 85 | 80 85 | 172 | 132 | 172 | ||||||||
| 90 95 | 90 95 | |||||||||||
| 100 110 | 100 | 212 | 167 | 212 | ||||||||
| HL8 | 10000 | 2120 | 1600 | 80 85 | 80 85 | 172 | 132 | 172 | 360 | 5 | 56.5 | 119 |
| 90 95 | 90 95 | |||||||||||
| 100 110 | 100 110 | 212 | 167 | 212 | ||||||||
| 120 125 | ||||||||||||
| HL9 | 16000 | 1800 | 1250 | 100 110 | 100 110 | 212 | 167 | 212 | 410 | 5 | 133.3 | 197 |
| 120 125 | 120 125 | |||||||||||
| 130 140 | 130 | 252 | 202 | 252 | ||||||||
| HL10 | 25000 | 1560 | 1120 | 110 120 | 110 120 | 212 | 167 | 212 | 480 | 6 | 273.2 | 322 |
| 125 | 125 | |||||||||||
| 130 140 | 130 140 | 252 | 202 | 252 | ||||||||
| 150 | 150 | |||||||||||
| 160 170 | 160 | 302 | 242 | 302 | ||||||||
| 180 | ||||||||||||
| HL11 | 31500 | 1320 | 1000 | 130 140 | 130 140 | 252 | 202 | 252 | 540 | 6 | 555.7 | 520 |
| 150 | 150 | |||||||||||
| 160 170 | 160 170 | 302 | 242 | 302 | ||||||||
| 180 | 180 | |||||||||||
| 190 200 | 190 | 352 | 282 | 352 | ||||||||
| 220 | ||||||||||||
| HL12 | 63000 | 1250 | 950 | 160 170 | 160 170 | 302 | 242 | 302 | 630 | 7 | 902 | 714 |
| 180 | 180 | |||||||||||
| 190 200 | 190 200 | 352 | 282 | 352 | ||||||||
| 220 | 220 | |||||||||||
| 240 250 | 410 | 330 | – | |||||||||
| 260 | ||||||||||||
| HL13 | 100000 | 1120 | 850 | 190 200 | 190 200 | 352 | 282 | 352 | 710 | 8 | 1700 | 1057 |
| 220 | 220 | |||||||||||
| 240 250 | 240 250 | 410 | 330 | – | ||||||||
| 260 | 260 | |||||||||||
| 280 300 | 470 | 380 | – | |||||||||
| HL14 | 160000 | 850 | 630 | 240 250 | 240 250 | 410 | 330 | – | 800 | 8 | 4318 | 1956 |
1. The coupling consists of 2 hubs: One pin hub with the corresponding pins and a bush hub.
2. The torque is transmitted via the steel pins with their taper elastomer rings and the corresponding bores in the bush hub.
3. They can be assembled with taper bush.
4. The couping is maintenance-free an is used in general engineering and the pump industry.
5. Customized requirement is available.
Detailed Photos
♦Other Products List
| Transmission Machinery Parts Name |
Model |
| Universal Coupling | WS,WSD,WSP |
| Cardan Shaft | SWC,SWP,SWZ |
| Tooth Coupling | CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK |
| Disc Coupling | JMI,JMIJ,JMII,JMIIJ |
| High Flexible Coupling | LM |
| Chain Coupling | GL |
| Jaw Coupling | LT |
| Grid Coupling | JS |
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. We company actively introduce 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 cardan shaft 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 the new model when there is new cars in the market.
5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
FAQ
Q 1: Are you trading company or 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 artworks of 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 a very good price principle, when you make the bulk order then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.
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
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Standard Or Nonstandard: | Standard |
|---|---|
| Shaft Hole: | 19-32 |
| Torque: | 50-70N.M |
| Bore Diameter: | 14mm |
| Speed: | 9000r/M |
| Structure: | Flexible |
| Samples: |
US$ 500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


Are There Any Safety Considerations When Using Pin Couplings in Rotating Machinery?
Yes, there are several safety considerations to keep in mind when using pin couplings in rotating machinery. These considerations are essential to ensure the safe and efficient operation of the equipment and to protect personnel working in the vicinity. Here are some key safety points to consider:
- Guarding: When installing pin couplings, it is crucial to provide adequate guarding around the coupling area. This helps prevent accidental contact with the rotating coupling components, such as pins and hubs, which could cause severe injuries.
- Maintenance and Inspection: Regular maintenance and inspection of the pin coupling are vital to identify any signs of wear, misalignment, or damage. Any worn or damaged components should be replaced immediately to prevent coupling failure, which could lead to sudden equipment shutdown or safety hazards.
- Proper Alignment: Ensuring precise alignment of the connected shafts is crucial to the safe operation of the pin coupling. Misalignment can lead to increased stresses and premature wear on the coupling components, resulting in potential failures.
- Torque and Speed Limits: Adhering to the manufacturer’s recommended torque and speed limits for the pin coupling is essential for its safe operation. Exceeding these limits can lead to overloading and failure of the coupling.
- Environmental Considerations: Take into account the operating environment when selecting a pin coupling. Extreme temperatures, corrosive atmospheres, or harsh conditions may require special materials or coatings to ensure the coupling’s integrity and prevent premature failure.
- Training and Awareness: Operators and maintenance personnel should receive proper training on the safe handling, installation, and maintenance of pin couplings. Awareness of potential hazards and safety protocols is crucial for the safe use of rotating machinery.
- Emergency Shutdown: Install emergency shutdown systems that can quickly stop the rotating machinery in case of any safety concerns or abnormal conditions.
- Compliance with Regulations: Ensure that the use of pin couplings complies with all relevant safety and industry regulations and standards.
By taking these safety considerations into account and implementing proper safety measures, the use of pin couplings in rotating machinery can be done safely and effectively, mitigating potential risks and ensuring a safe working environment for personnel.

What Industries Commonly Use Pin Couplings for Power Transmission?
Pin couplings are widely used in various industries for power transmission due to their ability to accommodate misalignment and provide reliable torque transmission. Some of the industries where pin couplings are commonly employed include:
- 1. Manufacturing: In manufacturing processes, pin couplings are used in conveyor systems, mixers, agitators, and other machinery to transfer power between motors and driven equipment.
- 2. Pulp and Paper: The pulp and paper industry uses pin couplings in machinery such as pumps, fans, and rotary kilns for continuous power transmission.
- 3. Chemical and Petrochemical: Pin couplings find applications in chemical processing plants, refineries, and petrochemical facilities for various rotating equipment.
- 4. Water and Wastewater: Pin couplings are used in water treatment facilities, pumps, and blowers to transfer power efficiently.
- 5. Steel and Metal Processing: Steel mills and metal processing plants utilize pin couplings in rolling mills, extruders, and other equipment.
- 6. Food and Beverage: Pin couplings are employed in food processing machinery, packaging equipment, and conveyor systems.
- 7. Mining and Quarrying: The mining industry uses pin couplings in crushers, conveyor belts, and various mineral processing equipment.
- 8. Oil and Gas: Pin couplings are used in the oil and gas sector for pumps, compressors, and drilling equipment.
- 9. Power Generation: In power plants, pin couplings are used in turbines, generators, and other power transmission systems.
- 10. Construction and Heavy Equipment: Pin couplings find applications in construction machinery, earthmoving equipment, and other heavy-duty machinery.
- 11. Agriculture: In agricultural machinery, pin couplings are used in tractors, irrigation systems, and grain processing equipment.
These are just some examples of the industries where pin couplings are commonly used. Pin couplings offer versatility, ease of installation, and reliability, making them suitable for a wide range of applications in different sectors where power transmission is essential.

Advantages of Using Pin Couplings in Mechanical Systems
Pin couplings, also known as shear pin couplings, offer several advantages when used in mechanical systems. These advantages make them a popular choice for various industrial applications:
- 1. Overload Protection: Pin couplings are designed to provide overload protection to connected equipment. In case of excessive torque or sudden shock loads, the sacrificial pins will shear off, preventing damage to the shafts and other components.
- 2. Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts. This helps to compensate for minor misalignments and reduces the stress on the connected equipment.
- 3. Cost-Effective: The shear pins used in pin couplings are relatively inexpensive compared to other coupling components. In the event of a failure, replacing the damaged pins is a cost-effective solution, avoiding more significant repairs to the main equipment.
- 4. Easy Replacement: After shearing, the damaged pins can be quickly and easily replaced. This leads to reduced downtime and lower maintenance costs in the long run.
- 5. Versatility: Pin couplings are suitable for a wide range of applications, including pumps, compressors, fans, and other industrial machinery. Their ability to handle varying operating conditions makes them versatile in different environments.
- 6. Shock Load Absorption: Pin couplings can absorb and dissipate shock loads effectively. The shear pins act as a buffer, protecting the equipment from sudden impacts or overloads.
Despite their numerous advantages, it is essential to consider the limitations of pin couplings as well. They have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings. Additionally, the need to replace shear pins after each failure may lead to more frequent maintenance requirements in applications with frequent overloads or misalignments.
In conclusion, pin couplings provide reliable torque transmission and safety features, making them a valuable component in various mechanical systems. Their ability to protect against overloads and accommodate misalignments makes them a practical choice in a wide range of industrial applications.


editor by CX 2024-04-25