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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Reducing Downtime and Maintenance Costs with Jaw Couplings
Jaw couplings play a crucial role in reducing downtime and maintenance costs in mechanical systems. Here’s how they contribute to improved efficiency and cost-effectiveness:
- Shock Absorption: Jaw couplings feature an elastomeric spider between the hubs, which acts as a shock absorber. It helps dampen vibrations and shock loads, protecting connected equipment from sudden impacts. By minimizing the impact of shocks and vibrations, jaw couplings extend the lifespan of components and reduce the need for frequent repairs or replacements.
- Misalignment Compensation: In real-world applications, shaft misalignment is almost unavoidable due to factors such as temperature variations, foundation settling, or minor assembly errors. Jaw couplings can accommodate angular and parallel misalignment, reducing stress on connected equipment and minimizing wear on shafts and bearings.
- Fail-Safe Design: Jaw couplings are designed with a fail-safe feature. If the elastomeric spider fails due to wear or damage, the jaws of the coupling interlock, allowing the system to continue transmitting torque. This design prevents complete coupling failure and allows the machinery to keep running until scheduled maintenance can be performed.
- Easy Installation and Replacement: Jaw couplings are relatively easy to install and replace, which helps reduce downtime during maintenance or equipment upgrades. With simple set-screw or clamp-type hubs, the couplings can be quickly installed or removed without disassembling the entire system.
- Cost-Effectiveness: Compared to some other types of couplings, jaw couplings are generally more cost-effective. They offer reliable performance and misalignment compensation at a relatively lower cost. Additionally, the extended equipment lifespan and reduced maintenance needs contribute to long-term cost savings.
By providing shock absorption, misalignment compensation, fail-safe operation, easy installation, and cost-effectiveness, jaw couplings enhance the overall reliability and efficiency of mechanical systems, leading to reduced downtime and maintenance costs.
Can jaw couplings be used in heavy-duty applications such as mining and construction?
Yes, jaw couplings can be used in heavy-duty applications such as mining and construction, but their suitability depends on various factors. Jaw couplings are commonly employed in a wide range of industrial applications due to their versatility and ability to handle misalignment. However, when considering their usage in heavy-duty environments, several important aspects need to be taken into account:
- Torque and Power Requirements: Heavy-duty applications often involve high torque and power demands. It is crucial to ensure that the selected jaw coupling is rated to handle the specific torque and power levels encountered in the mining and construction machinery. Choosing a coupling with a sufficient torque capacity ensures reliable power transmission without premature failure.
- Material Strength: The materials used in the construction of jaw couplings play a critical role in their ability to withstand heavy-duty applications. Couplings made from robust materials, such as high-strength steel or alloy materials, are better suited for withstanding the demanding conditions found in mining and construction equipment.
- Impact and Shock Resistance: Mining and construction applications involve significant levels of impact and shock loads due to the nature of the work. The jaw coupling must be designed to handle these dynamic loads without compromising its structural integrity. Some jaw couplings feature specially designed elastomers or flexible elements that provide additional shock absorption and reduce the transmitted impact forces.
- Dust and Debris Management: Heavy-duty environments like mining and construction sites often contain high levels of dust, dirt, and debris. These particles can accumulate on the coupling surfaces and lead to premature wear and reduced performance. Selecting jaw couplings with appropriate sealing mechanisms or protective covers can help minimize the ingress of contaminants and extend the coupling’s life in such environments.
- Maintenance and Inspection: Regular maintenance and inspection are crucial in heavy-duty applications to identify any signs of wear, misalignment, or damage to the coupling. Proper maintenance practices can prevent unexpected failures and ensure the equipment operates efficiently and safely.
When considering the use of jaw couplings in heavy-duty applications like mining and construction, it is essential to consult with coupling manufacturers or engineering experts to select the appropriate coupling type and size for the specific application. Some heavy-duty applications might require more specialized coupling designs, such as grid couplings, gear couplings, or disc couplings, which are explicitly engineered for extreme conditions and higher torque capacities. Additionally, following the manufacturer’s guidelines and recommendations for coupling installation, maintenance, and operating parameters is critical to ensure reliable and safe operation in heavy-duty environments.
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 2024-04-24