Product Description
Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
Product Description
Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.
Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc
Coupling performance
1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.
How to select the appropriate coupling type
The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.
If you cannot determine the type, you can contact our professional engineer
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Company Profile
Our Equipments
Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.
Machining equipments
Heat equipment
Our Factory
Application – Photos from our partner customers
Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p
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Minimizing Wear and Tear on Connected Components with Jaw Couplings
A jaw coupling plays a critical role in minimizing wear and tear on connected components by providing several key benefits:
- Shock Absorption: Jaw couplings have a flexible elastomeric element between the two hubs, which acts as a cushion and absorbs shocks and vibrations. When the connected machinery experiences sudden jolts or impacts, the jaw coupling helps dampen these forces, protecting the equipment from damage and reducing wear on components.
- Misalignment Compensation: In mechanical systems, misalignment between shafts is a common issue that can lead to premature wear on components. Jaw couplings can tolerate a certain degree of angular, parallel, and axial misalignment, allowing for better alignment between the driving and driven components. This feature helps distribute forces more evenly and reduces stress on connected components.
- Resilience to Overloads: Jaw couplings can withstand temporary overloads, such as starting torque or sudden load spikes, without causing damage to the connected equipment. The elastomeric element of the jaw coupling acts as a torque limiter, protecting the machinery from excessive loads and preventing wear and tear.
- Backlash Prevention: Backlash, which is the play or clearance between mating gears or components, can cause impact forces during reversing motions. Jaw couplings offer low backlash performance, reducing the potential for impact and minimizing wear on gears and other components.
- Reduced Maintenance: By providing shock absorption, misalignment compensation, overload protection, and low backlash, jaw couplings help extend the service life of connected components. This, in turn, reduces the frequency of maintenance and replacement, leading to cost savings and increased productivity.
- Smooth Power Transmission: Jaw couplings transmit power smoothly between the driving and driven shafts, resulting in less stress on components. The torsional flexibility of the elastomeric element helps prevent abrupt torque spikes, contributing to improved component longevity.
Overall, the jaw coupling’s ability to absorb shocks, compensate for misalignment, handle overloads, and provide smooth power transmission makes it an effective solution for minimizing wear and tear on connected components. Regular inspection and maintenance of the jaw coupling are still essential to ensure its optimal performance and extend the life of the entire mechanical system.
How does a jaw coupling help in torque and rotational speed control?
A jaw coupling plays a vital role in torque and rotational speed control by facilitating efficient power transmission while compensating for misalignments and dampening vibrations. Here’s how a jaw coupling helps in achieving torque and rotational speed control:
- Torque Transmission: Jaw couplings are designed to transmit torque between two shafts with minimal power loss. The elastomer spider, which acts as the flexible element between the two coupling hubs, efficiently transfers torque from one shaft to the other. This precise torque transmission is essential in maintaining consistent rotational motion and controlling the speed of the driven equipment.
- Misalignment Compensation: In rotating machinery, misalignments between the motor and driven equipment are common due to factors like installation errors, thermal expansion, or shaft deflection. Jaw couplings can handle both angular and parallel misalignments. By accommodating these misalignments, jaw couplings ensure smooth operation and prevent unnecessary stress on the equipment, thus contributing to torque and rotational speed control.
- Vibration Damping: Vibrations are an inherent characteristic of rotating machinery and can affect torque and rotational speed stability. The elastomer spider in the jaw coupling acts as a damping element, absorbing and dissipating vibrations. This vibration damping capability reduces the risk of speed fluctuations and enhances overall system stability during operation.
- Start-Up and Overload Protection: During start-up or when the driven equipment experiences sudden overload conditions, there may be spikes in torque and rotational speed. Jaw couplings, with their torsional flexibility, can absorb these sudden torque variations, protecting the equipment from damage and providing smoother start-up and operation.
The combination of precise torque transmission, misalignment compensation, vibration damping, and overload protection makes jaw couplings effective in achieving torque and rotational speed control. However, it is essential to choose the appropriate jaw coupling size and material for the specific application to ensure optimal performance and reliability.
For applications that require even higher torque capacity or stricter speed control, specialized coupling types like gear couplings or servo couplings may be more suitable. These couplings offer advanced features for precision motion control and torque transmission in more demanding applications.
Safety Considerations When Using Jaw Couplings in Rotating Machinery
While jaw couplings are generally safe to use in rotating machinery, there are some important safety considerations to keep in mind to ensure safe and reliable operation:
- Proper Installation: Correct installation is crucial for the safe functioning of jaw couplings. The coupling should be mounted precisely in alignment with the shafts to prevent misalignment and minimize stress on the components.
- Regular Maintenance: Regular inspection and maintenance are essential to identify signs of wear, misalignment, or damage. Any issues should be addressed promptly to prevent potential failures that may compromise safety.
- Load Capacity: Ensure that the selected jaw coupling has an adequate load capacity for the specific application. Overloading the coupling can lead to premature failure and safety risks.
- Operating Speed: Be mindful of the operating speed limitations of the jaw coupling. Operating the coupling beyond its maximum rated speed may result in excessive wear and potential hazards.
- Environmental Factors: Consider the environmental conditions in which the jaw coupling will operate. Extreme temperatures, humidity, or corrosive substances may impact the coupling’s performance and longevity.
- Emergency Shutdown: Implement an emergency shutdown procedure to quickly stop the machinery in case of any unexpected issues or safety concerns.
- Guarding and Enclosure: Depending on the application, consider using protective guarding or enclosures to prevent accidental contact with rotating components and ensure operator safety.
- Compliance with Standards: Follow industry standards and regulations relevant to the specific application to ensure compliance and adherence to safety guidelines.
By adhering to these safety considerations, operators and maintenance personnel can help minimize the risk of accidents, protect personnel from potential hazards, and ensure the reliable and safe operation of rotating machinery with jaw couplings.
editor by CX 2024-04-23