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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Usage of Jaw Couplings for Motor-to-Shaft and Shaft-to-Shaft Connections
Jaw couplings are versatile components that can be used for both motor-to-shaft and shaft-to-shaft connections in mechanical power transmission systems. Their design and features make them suitable for various applications:
- Motor-to-Shaft Connection: When connecting a motor to a driven shaft, jaw couplings are commonly used to transmit torque from the motor to the driven equipment. The motor’s shaft is inserted into one side of the jaw coupling, and the driven shaft is inserted into the other side. The elastomeric spider element in the coupling provides a flexible connection that accommodates misalignment and dampens vibrations, ensuring smooth power transmission from the motor to the driven shaft.
- Shaft-to-Shaft Connection: In cases where two shafts need to be connected directly, without a motor or other driving element, jaw couplings can be used for shaft-to-shaft connections. Both shafts are inserted into the respective sides of the jaw coupling, and the elastomeric spider element bridges the gap between them. This enables torque transfer between the two shafts while compensating for any misalignment that may exist.
Whether used for motor-to-shaft or shaft-to-shaft connections, jaw couplings offer the same advantages, including misalignment compensation, vibration dampening, and backlash-free operation (depending on the design). These features make them suitable for various applications across different industries, where reliable and efficient power transmission is essential.
What are the common signs of wear and failure in jaw couplings?
Jaw couplings are reliable components, but like any mechanical part, they can experience wear and eventually fail if not properly maintained or replaced when necessary. Here are some common signs of wear and failure to look out for in jaw couplings:
- Excessive Vibration: Increased vibration during operation may indicate wear in the elastomer spider or misalignment between the coupling hubs. Excessive vibration can lead to further damage and should be addressed promptly to prevent more significant issues.
- Abnormal Noise: Unusual noises, such as rattling, clanking, or squeaking sounds, can indicate wear, misalignment, or damage in the jaw coupling. A well-functioning jaw coupling should operate smoothly and quietly.
- Visible Cracks or Damage: Inspect the jaw coupling regularly for any visible cracks, tears, or damage to the elastomer spider or coupling hubs. Cracks in the elastomer can lead to reduced torque transmission and compromise the coupling’s performance.
- Loose or Displaced Spider: A loose or displaced elastomer spider may result from wear or improper installation. The spider should fit securely between the coupling hubs. Any sign of misalignment or gaps in the spider indicates potential wear or failure.
- Increased Heat: Excessive heat generation in the jaw coupling could indicate high levels of friction or misalignment, leading to wear on the elastomer spider. Elevated temperatures can accelerate wear and shorten the coupling’s lifespan.
- Shaft Misalignment: If you notice misalignment between the connected shafts, it can be a sign that the jaw coupling is no longer compensating for misalignment properly. This can lead to increased stress on the shafts and coupling components.
- Reduced Performance: A jaw coupling nearing the end of its service life may experience reduced torque transmission and compromised rotational speed control. As the elastomer spider wears, the coupling’s ability to transmit torque efficiently diminishes.
- Unexpected Downtime: Frequent unexpected shutdowns or downtime may indicate coupling failure. Sudden coupling failure can lead to costly equipment damage and unplanned production halts.
It is essential to conduct regular maintenance and inspections to detect these signs of wear and failure early. Preventive measures such as proper lubrication, alignment checks, and timely replacement of worn elastomer spiders can extend the life of the jaw coupling and prevent unexpected failures.
If any of these signs are observed, it is advisable to consult coupling manufacturers or maintenance professionals for a thorough assessment and appropriate corrective actions.
Can Jaw Couplings Accommodate High Torque and High-Speed Applications?
Jaw couplings are versatile and can handle a wide range of torque and speed requirements. However, their suitability for high torque and high-speed applications depends on the specific design and material of the coupling.
Advancements in jaw coupling technology and the use of high-strength materials, such as steel and aluminum, have significantly improved their performance capabilities. For many industrial applications, jaw couplings can efficiently accommodate high torque and high-speed requirements.
When selecting a jaw coupling for high torque and high-speed applications, consider the following factors:
- Coupling Size: Choose a jaw coupling size that matches the torque and speed requirements of the application. Larger couplings with bigger spider elements can handle higher torque loads.
- Material: Opt for jaw couplings made from robust materials like steel or aluminum, which can withstand higher torque and speed without compromising structural integrity.
- Design: Some jaw coupling designs are better suited for high torque applications, offering increased torque capacity and better performance under heavy loads.
- Service Factor: Consider the service factor, which accounts for peak or intermittent loads, to ensure the selected jaw coupling can handle temporary torque spikes.
It’s essential to consult with coupling manufacturers or industry experts to determine the most suitable jaw coupling for specific high torque and high-speed applications. Properly sized and selected jaw couplings can provide reliable and efficient power transmission in demanding industrial scenarios.
editor by CX 2024-05-09