Product Description
flexible shaft jaw coupling for CNC machine aluminum motor coupler
Quick Details:
Structure: Jaw / Spider
Flexible or Rigid: Flexible
Standard or Nonstandard: Standard
Material: Aluminium
Brand Name: YD
Place of Origin: ZheJiang , China (Mainland)
Certificate: ISO9001:2008
Bore forming: Made by CNC centres
Unique Feature: Exquisite Workmanship
Bore Size: Meet inch dimension
Invertory: In stock
Spider color: Red (Green and Yellow selected)
Model Number:flexible shaft coupling for 3D printer
inner Bore Dmin: 3-14mm
Inner Bore Dmax: 10-45mm
Diameter: 30mm
Length: 20-114mm
Allowable speed: 15200min-1
Invertory: In stock
Features:
1. Light weight, smal moment of inertia and high torque.
2. Getting the drive vibration buffer, and absorbing the impact generated by motor’s uneven operation
3. Effectively correcting the installation deviation of axial and radial and angular
Your kind response of below questions will help us to recommed the most suitable model to you asap.
1.Are you looking for JM type(setscrew) or JM-C type(clamp)?
2.What is coupling outer dimeter size?
3.What is coupling inner bore size and length?
4.What is coupling material(aluminium or Stainless steel )?
Dimensions:
| Model
|
Inner Diameter | Outer Diameter |
Length | Torque(N.M.) | |||
| D1 | D2 | ||||||
| Min. | Max. | Min. | Max. | ||||
| JM14 | 3 | 7 | 3 | 7 | 14 | 22 | 0.7 |
| JM16 | 3 | 7 | 3 | 7 | 16 | 22 | 0.7 |
| JM20 | 4 | 10 | 4 | 10 | 20 | 30 | 1.7 |
| JM25 | 4 | 12 | 4 | 12 | 25 | 34 | 1.7 |
| JM30 | 5 | 16 | 5 | 16 | 30 | 35 | 1.7 |
| JM40 | 6 | 24 | 6 | 24 | 40 | 66 | 4.0 |
| JM55 | 8 | 28 | 8 | 28 | 55 | 78 | 4.0 |
| JM65 | 10 | 38 | 10 | 38 | 65 | 90 | 15.0 |
| JM80 | 12 | 45 | 12 | 45 | 80 | 114 | 15.0 |
| JM95 | 14 | 55 | 14 | 55 | 95 | 126 | 15.0 |
| JM105 | 15 | 62 | 15 | 62 | 105 | 140 | 15.0 |
| JM120 | 20 | 74 | 20 | 74 | 120 | 160 | 32.0 |
| JM135 | 22 | 80 | 22 | 80 | 135 | 185 | 32.0 |
Packaging Details:
Wooden or ply cases for export standard or according to the customers
Delivery Detail:3-5 days after receiving the 30% deposit
Contact Us
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Maintenance-Free Options for Jaw Couplings
Jaw couplings typically require minimal maintenance due to their simple and robust design. However, there are maintenance-free options available that further reduce the need for regular maintenance. Here are some maintenance-free options for jaw couplings:
- Lubrication-Free: Some jaw couplings are designed with materials that do not require lubrication. These couplings often use self-lubricating materials for the elastomeric spider, which eliminates the need for periodic lubrication. This feature is particularly advantageous in applications where regular maintenance is difficult or impractical.
- Sealed Design: Certain jaw couplings come with a sealed design that prevents contaminants from entering the coupling. The seal protects the internal components, such as the elastomeric spider and the jaws, from dust, dirt, and moisture. As a result, these couplings have an extended service life and require less maintenance.
- Corrosion-Resistant Materials: In harsh or corrosive environments, jaw couplings made from materials such as stainless steel or other corrosion-resistant alloys can be used. These materials offer excellent resistance to corrosion and wear, reducing the risk of coupling failure and minimizing the need for maintenance and replacement.
- Composite Spider: Some jaw couplings feature a composite spider made from advanced materials that offer high strength and durability. These composite spiders are resistant to wear, fatigue, and chemical exposure, resulting in longer service life and less maintenance.
It’s important to note that while these maintenance-free options can significantly reduce the need for regular maintenance, all couplings may still require periodic inspection to ensure they remain in good working condition. Regular visual checks for wear, damage, or misalignment can help identify potential issues before they become severe problems.
Choosing a maintenance-free jaw coupling can be beneficial in applications where downtime and maintenance costs must be minimized, or in environments where regular maintenance is challenging to perform.
What are the common installation mistakes to avoid when using jaw couplings?
Proper installation of jaw couplings is crucial to ensure their reliable and efficient operation. Avoiding common installation mistakes can prevent premature wear, misalignment, and potential equipment damage. Here are some of the most common installation mistakes to avoid when using jaw couplings:
- Incorrect Coupling Size: Using the wrong size of jaw coupling for the application can lead to various issues. Undersized couplings may not handle the required torque, leading to early failure, while oversized couplings may result in increased rotational inertia and decreased system performance. Always ensure that the selected coupling is appropriate for the torque and power requirements of the equipment.
- Misalignment: Improper alignment of the shafts during coupling installation can cause excessive forces and premature wear on the coupling components. Angular, parallel, and axial misalignments should be minimized and kept within the manufacturer’s recommended tolerances. Consider using alignment tools and techniques to achieve accurate shaft alignment.
- Over-Tightening: Applying excessive torque when tightening the coupling elements can lead to deformation of the elastomer spider or damage to the hubs. Over-tightening can also increase friction and cause premature wear. Follow the manufacturer’s specified torque values during installation to ensure proper clamping without causing damage.
- Lack of Lubrication: Some jaw couplings require lubrication to reduce friction and wear. Neglecting to lubricate the coupling elements can lead to increased friction, higher operating temperatures, and reduced coupling life. Follow the manufacturer’s guidelines regarding lubrication intervals and types of lubricants to use.
- Failure to Inspect Components: Before installation, carefully inspect all coupling components for any signs of damage, wear, or defects. Using a damaged or worn-out elastomer spider or other components can compromise the coupling’s performance and reliability. Replace any worn or damaged parts before installing the coupling.
- Improper Shaft End Preparation: Ensure that the shaft ends are clean, smooth, and free from burrs or imperfections before installing the coupling. Rough or uneven shaft surfaces can lead to misalignment and reduce coupling performance. Properly clean and prepare the shaft ends to ensure a secure and accurate fit.
- Not Following Manufacturer’s Guidelines: Each jaw coupling has specific installation instructions provided by the manufacturer. Failure to follow these guidelines can result in coupling failure or reduced performance. Always refer to the manufacturer’s installation manual and recommendations for proper installation procedures.
By avoiding these common installation mistakes, users can maximize the performance and longevity of jaw couplings in their applications. Proper installation ensures that the coupling operates efficiently, transmits power effectively, and reduces the risk of unexpected failures or downtime.
What is a Jaw Coupling and How Does It Work?
A jaw coupling is a type of mechanical coupling used to connect two shafts in machinery. It is designed to transmit torque while compensating for shaft misalignments and dampening vibrations. The coupling consists of two hubs with three curved jaws each and an elastomeric spider placed between them.
The working principle of a jaw coupling is based on the flexibility of the elastomeric spider. When the two hubs are brought together, the spider gets compressed between them. The curved shape of the jaws allows the spider to flex, accommodating angular and axial misalignments between the shafts.
During operation, when torque is applied to one shaft, it is transmitted through the spider to the other shaft, enabling power transmission. The elastomeric material of the spider also acts as a damping element, reducing vibrations and shock loads in the system.
Jaw couplings are commonly used in various applications, such as pumps, compressors, conveyors, and other power transmission systems. Their simple design, ease of installation, and ability to handle misalignments make them popular choices for connecting rotating shafts in machinery.
editor by CX 2024-04-15