Product Description
CHINAMFG Jaw couplings are designed as 3 piece comination, including 2 hubs and 1 elastomer made of polyurethane. The cuved jaw fits CHINAMFG the spider, which minimizes shock to the motor and other sensitive equipment .
Widely used in various mechanical and hydraulic fields
High precision in transmission and high rotating speed.
Suitable for wide range of environment, with the higest temperature 280 degree
Good elasticity, hight strength, corrosion resistant, wearable
No need to lubricate,quiet operation
Quick and easy mounting and disassembly
| Item No. | Finished bore range | Outside Diameter | Nominal Torque Nm |
| UTJC-14 | 0-16 | 30 | 15 |
| UTJC-19 | 0-25 | 40 | 20 |
| UTJC-24 | 0-35 | 55 | 70 |
| UTJC-28 | 0-40 | 65 | 190 |
| UTJC-38 | 0-48 | 80 | 380 |
| UTJC-42 | 0-55 | 95 | 530 |
| UTJC-48 | 0-62 | 105 | 620 |
| UTJC-55 | 0-74 | 120 | 820 |
| UTJC-65 | 0-80 | 135 | 1250 |
| UTJC-75 | 0-95 | 160 | 2560 |
| UTJC-90 | 0-110 | 200 | 4800 |
CHINAMFG Jaw coupling grooving type is backlash free, using screws after slotting to eliminate the clearance. This grooving type coupling is suitable for power transmission on main shaft, elevating platform and machine tool.
Material: Alluminum for size below 42
Steel for size over 42
Finish: Natural or Anodizing
Size Range: 19 to 75
Finished bore: according to ISO fit H7
Keyway width: according to DIN 6885/1
The Tolerance of keyway is Js9
/* 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
Key Features to Consider When Purchasing a Jaw Coupling
When purchasing a jaw coupling for a particular application, several key features and factors should be taken into account to ensure optimal performance and reliability:
- Material: Jaw couplings are available in various materials, including aluminum, steel, and stainless steel. The choice of material depends on the application’s specific requirements, such as environmental conditions, torque levels, and chemical exposure.
- Size: Jaw couplings come in different sizes to accommodate various shaft diameters. It is essential to choose the appropriate size that matches the shaft dimensions of the connected equipment.
- Torque Rating: Consider the torque requirements of the application and ensure that the selected jaw coupling can handle the expected torque levels without causing premature wear or failure.
- Speed Rating: Check the coupling’s speed rating to ensure it can handle the rotational speed of the application without generating excessive heat or vibration.
- Misalignment Capability: Assess the jaw coupling’s ability to accommodate angular, parallel, and axial misalignment between the shafts to prevent excessive stress on connected equipment.
- Backlash: Consider the level of backlash or play in the coupling. Low backlash couplings are suitable for precision applications, while higher backlash may be acceptable for general power transmission.
- Torsional Stiffness: For applications that require accurate motion control and minimal torsional wind-up, select a jaw coupling with adequate torsional stiffness.
- Environmental Factors: Consider the operating environment, including temperature, humidity, and exposure to chemicals or corrosive substances. Choose a coupling that can withstand the environmental conditions of the application.
- Installation and Maintenance: Check the ease of installation and maintenance requirements of the jaw coupling to ensure smooth integration into the system and reduce downtime during maintenance.
- Manufacturer Reputation: Purchase jaw couplings from reputable manufacturers known for producing high-quality, reliable products with a history of successful applications in various industries.
By carefully considering these key features, buyers can select the most suitable jaw coupling for their specific applications, ensuring efficient power transmission and reliable performance of connected equipment.
How do jaw couplings handle axial movement in rotating machinery?
Jaw couplings are primarily designed to handle angular and parallel misalignment between rotating shafts. While they are not specifically designed for axial movement compensation, they can accommodate a limited amount of axial movement under certain conditions.
The ability of a jaw coupling to handle axial movement depends on the specific design of the coupling and the type of elastomer spider used. The elastomer spider serves as the flexible element between the two coupling hubs and is responsible for transmitting torque and compensating for misalignment. Some jaw couplings have an elastomer spider with axial flexibility, allowing the coupling to accommodate minor axial movements while maintaining effective torque transmission.
However, it is essential to note that jaw couplings have limitations regarding axial movement. They are not designed for significant axial loads or axial displacements. Excessive axial movement can lead to premature wear and damage to the elastomer spider, reducing the coupling’s performance and lifespan.
If an application requires significant axial movement compensation, other types of couplings may be more suitable. For instance, flexible beam couplings or bellows couplings are designed specifically to handle axial movement and are often used in applications where axial misalignment is a critical consideration.
In summary, while jaw couplings can handle a certain amount of axial movement, they are primarily intended for angular and parallel misalignment compensation. For applications with significant axial movement requirements, it is essential to consider coupling types explicitly designed for this purpose.
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 2024-03-01