Product Description
XL Star Type Flexible Coupling (JB/T 10466-2004)
Product Description
♦Description
XL Star Type Flexible Coupling comprises a convex claw block that can be avoided due to external constraints, internal deformation, and centrifugal impact deformation; concave-convex claw, the pressure on the surface of the involute tooth is very small, even under overload, the tooth will not wear or deformation.
♦Detailed Pictures
♦ Basic Parameter and Main Dimension
| Type | Norminal torque Tn/N·m |
Shaft hole diameter | L | D | D1 | B1 | S | |
| d1,d2 | Y | J1,Z1 | ||||||
| XL1 | 20 | 6,7 | 18 | – | 40 | 32 | 12 | 2 |
| 8,9 | 22 | – | ||||||
| 10,11 | 25 | 22 | ||||||
| 12,14 | 32 | 27 | ||||||
| 16,18,19 | 42 | 30 | ||||||
| XL2 | 71 | 8,9 | 22 | – | 55 | 40 | 14 | |
| 10,11 | 25 | 22 | ||||||
| 12,14 | 32 | 27 | ||||||
| 16,18,19 | 42 | 30 | ||||||
| 20,22,24 | 52 | 38 | ||||||
| XL3 | 200 | 10,11 | 25 | 22 | 65 | 48 | 15 | 2.5 |
| 12,14 | 32 | 27 | ||||||
| 16,18,19 | 42 | 30 | ||||||
| 20,22,24 | 52 | 38 | ||||||
| 25,28 | 62 | 44 | ||||||
| XL4 | 400 | 12,14 | 32 | 27 | 80 | 66 | 18 | 3 |
| 16,18,19 | 42 | 30 | ||||||
| 20,22,24 | 52 | 38 | ||||||
| 25,28 | 62 | 44 | ||||||
| 30,32,35,38 | 82 | 60 | ||||||
| XL5 | 560 | 14 | 32 | 27 | 95 | 75 | 20 | |
| 16,18,19 | 42 | 30 | ||||||
| 20,22,24 | 52 | 38 | ||||||
| 25,28 | 62 | 44 | ||||||
| 30,32,35,38 | 82 | 60 | ||||||
| 40,42 | 112 | 84* | ||||||
| XL6 | 630 | 16,18,19 | 42 | 30 | 105 | 85 | 21 | 3.5 |
| 20,22,24 | 52 | 38 | ||||||
| 25,28 | 62 | 44 | ||||||
| 30,32,35,38 | 82 | 60 | ||||||
| 40,42,45,48 | 112 | 84* | ||||||
| XL7 | 800 | 20,22,24 | 52 | 38 | 120 | 98 | 22 | 4 |
| 25,28 | 62 | 44 | ||||||
| 30,32,35,38 | 82 | 60 | ||||||
| 40,42,45,48,50,55 | 112 | 84* | ||||||
| XL8 | 900 | 22,24 | 52 | 38 | 135 | 115 | 26 | 4.5 |
| 25,28 | 62 | 44 | ||||||
| 30,32,35,38 | 82 | 60 | ||||||
| 40,42,45,48,50,55 | 112 | 84 | ||||||
| 60,63,65 | 142 | 107* | ||||||
| XL9 | 2000 | 30,32,35,38 | 82 | 60 | 160 | 135 | 30 | 5 |
| 40,42,45,48,50,55,56 | 112 | 84 | ||||||
| 60,63,65,70,71,75 | 142 | 107 | ||||||
| XL10 | 5000 | 40,42,45,48,50,55,56 | 112 | 84 | 200 | 160 | 34 | 5.5 |
| 60,63,65,70,71,75 | 142 | 107 | ||||||
| 80,85,90 | 172 | 132 | ||||||
| XL11 | 7100 | 50,55,56 | 112 | 84 | 225 | 180 | 38 | 6 |
| 60,63,65,70,71,75 | 142 | 107 | ||||||
| 80,85,90,95 | 172 | 132 | ||||||
| 100 | 212 | 167 | ||||||
| XL12 | 8000 | 60,63,65,70,71,75 | 142 | 107 | 255 | 200 | 42 | 6.5 |
| 80,85,90,95 | 172 | 132 | ||||||
| 100,110 | 212 | 167 | ||||||
| XL13 | 10000 | 60,63,65,70,71,75 | 142 | 107 | 290 | 230 | 46 | 7 |
| 80,85,90,95 | 172 | 132 | ||||||
| 100,110,120,125 | 212 | 167 | ||||||
| XL14 | 14000 | 60,63,65,70,71,75 | 142 | 107 | 320 | 255 | 50 | 7.5 |
| 80,85,90,95 | 172 | 132 | ||||||
| 100,110,120,125 | 212 | 167 | ||||||
| 130,140 | 252 | 202 | ||||||
| XL15 | 20000 | 80,85,90,95 | 172 | 132 | 370 | 290 | 57 | 9 |
| 100,110,120,125 | 212 | 167 | ||||||
| 130,140,150 | 252 | 202 | ||||||
| 160 | 302 | 242 | ||||||
| XL16 | 25000 | 85,90,95 | 172 | 132 | 420 | 325 | 64 | 10.5 |
| 100,110,120,125 | 212 | 167 | ||||||
| 130,140,150 | 252 | 202 | ||||||
| 160,170,180 | 302 | 242 |
Note: The size with * in the table is not suitable for Z1 type shaft holes.
♦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
♦Our Company
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 the new model when there is 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 artworks 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 a very good 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 1 pcs.
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: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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Impact of Jaw Coupling on Noise and Vibration in Mechanical Systems
Jaw couplings play a significant role in mitigating noise and vibration levels in mechanical systems. The design and materials of the coupling determine its ability to dampen vibrations and reduce noise. Here’s how a jaw coupling affects noise and vibration in a mechanical system:
- Vibration Dampening: Jaw couplings, especially elastomer jaw couplings, are designed to absorb and dampen vibrations that may occur in the system. The elastomeric spider element in elastomer jaw couplings acts as a cushion, absorbing shocks and vibrations that might result from misalignment, sudden starts, or stops. By absorbing vibrations, jaw couplings help prevent these vibrations from propagating through the system, thus reducing the overall vibration levels.
- Noise Reduction: The vibration dampening properties of jaw couplings also contribute to noise reduction. Vibrations can lead to mechanical noise, which can be particularly pronounced in high-speed applications. By reducing vibrations, jaw couplings help decrease the noise generated during system operation. This is especially beneficial in applications where low noise levels are crucial for the comfort of operators or nearby occupants.
- Misalignment Compensation: Jaw couplings are designed to accommodate a certain degree of misalignment between the shafts they connect. This ability to compensate for misalignment prevents additional forces and stresses from being transferred to the system, reducing the likelihood of generating noise and vibrations due to misalignment.
- Material Selection: The choice of materials in jaw couplings can also influence noise and vibration levels. Elastomer jaw couplings, with their flexible spider element, offer superior vibration dampening compared to rigid metallic jaw couplings. Metallic jaw couplings, while not as effective at vibration dampening, are more rigid and offer higher torque capacity.
Overall, jaw couplings are effective in reducing noise and vibration levels in mechanical systems. The extent of noise and vibration reduction depends on the specific design, material, and the level of misalignment the coupling can accommodate. Properly selected and installed jaw couplings can contribute to a smoother and quieter operation of the entire mechanical system.
How does a jaw coupling deal with backlash and torsional stiffness?
A jaw coupling addresses backlash and torsional stiffness through its unique design features and choice of materials. Backlash is the amount of free play or clearance between the coupling components, while torsional stiffness refers to the resistance of the coupling to torsional or twisting forces. Here’s how a jaw coupling deals with these aspects:
- Backlash: Jaw couplings are designed to minimize backlash by ensuring a close fit between the elastomer spider and the jaws of the coupling hubs. The elastomer spider acts as a flexible intermediary that fills the space between the mating jaws, reducing any free play between them. This close fit reduces backlash and provides a more precise and responsive power transmission, especially in reversing or intermittent motion applications.
- Torsional Stiffness: Torsional stiffness is achieved in jaw couplings by using materials that provide a balance between flexibility and rigidity. The elastomer spider in the coupling offers some flexibility, allowing it to absorb vibrations and dampen shocks. However, to ensure adequate torsional stiffness, the coupling hubs are usually made from sturdier materials like steel or aluminum. The choice of elastomer material and its geometry also influences the torsional stiffness of the coupling. Some applications may require coupling designs with higher torsional stiffness to maintain the accuracy and stability of the system, while others may benefit from more flexible couplings that can accommodate misalignments and shock loads. Overall, the combination of the elastomer’s flexibility and the coupling hub’s rigidity results in a coupling with a balanced torsional stiffness that can meet the specific needs of the application.
In summary, a jaw coupling minimizes backlash by providing a close fit between the coupling components, and it achieves torsional stiffness by using a combination of flexible elastomer materials and rigid coupling hubs. These design considerations make jaw couplings suitable for a wide range of applications that require reliable power transmission, precise motion control, and the ability to handle misalignments and shocks.
How Does a Jaw Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Jaw couplings are designed to provide some level of flexibility, which allows them to absorb shock loads and dampen vibrations in mechanical systems. The unique design of jaw couplings contributes to their ability to protect connected equipment in the following ways:
- Spider Element: The spider element, typically made of elastomeric material, serves as a mechanical fuse in the jaw coupling. When the system experiences shock loads or vibrations beyond the coupling’s rated capacity, the spider element can deform or fail in a controlled manner, protecting the connected components from damage.
- Torsional Wind-Up: In the presence of torsional vibrations or sudden torque fluctuations, the elastomeric spider can act as a torsional buffer, absorbing and dissipating the energy to prevent it from reaching the connected equipment.
- Misalignment Compensation: Jaw couplings can tolerate a degree of angular, parallel, and axial misalignment between the shafts. This capability helps minimize stress on the connected components in situations where misalignments might occur due to external forces or dynamic operating conditions.
- Reduction of Resonance Effects: The flexibility of jaw couplings can help mitigate resonance effects that may arise in the system, reducing the risk of resonance-related failures or damages.
It’s important to note that while jaw couplings offer protection against certain shock loads and vibrations, they have their limits. Excessive or repetitive shocks, vibrations, or overloading beyond the coupling’s rated capacity can still lead to premature wear or failure. Therefore, it is essential to select the appropriate size and type of jaw coupling for the application and regularly inspect the coupling for signs of wear or damage. Regular maintenance and inspection help ensure the jaw coupling continues to provide reliable protection to the connected equipment.
editor by CX 2024-03-09