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

Do Tyre Couplings Require Lubrication, and if so, How Often?

Unlike some other types of couplings, tyre couplings are typically designed to operate without the need for regular lubrication. The rubber tyre element in the coupling provides a flexible and friction-reducing interface between the hubs, allowing the coupling to function effectively without additional lubrication.

However, it is essential to note that while tyre couplings are generally maintenance-free regarding lubrication, regular inspections and maintenance checks are still necessary to ensure their proper functioning and longevity. Here are some key points to consider:

• Visual Inspection: Regularly inspect the tyre coupling for any signs of wear, damage, or deterioration. Check the rubber tyre element for cracks, tears, or any abnormal wear patterns that could affect its performance.
• Alignment Check: Misalignment can cause premature wear and reduce the life of the tyre coupling. Periodically check the alignment between the connected shafts and make necessary adjustments if misalignment is detected.
• Torque Checks: Ensure that the coupling is still transmitting torque effectively by periodically checking the power transmission capacity and verifying that it matches the application’s requirements.
• Load Capacity: Confirm that the selected tyre coupling can handle the expected loads and shock loads in the application. If there are any changes in the operating conditions, ensure that the coupling is still suitable for the new parameters.
• Environmental Factors: Consider the operating environment of the tyre coupling. While the coupling itself does not require lubrication, factors such as temperature, humidity, and exposure to chemicals may impact other components in the system. Protect the coupling from exposure to harsh chemicals or extreme temperatures to maintain its performance.

In summary, tyre couplings are designed to be maintenance-free regarding lubrication. However, regular visual inspections and maintenance checks are essential to ensure the coupling’s proper functioning and to address any issues before they lead to more significant problems. By following recommended maintenance practices, the tyre coupling can provide reliable and efficient service throughout its operational life.

Exploring the Design Features that Make Tyre Couplings Reliable and Durable

Tyre couplings are renowned for their reliability and durability in a wide range of industrial applications. Several design features contribute to their robustness and longevity. Here are the key design features that make tyre couplings reliable and durable:

• High-Quality Elastomeric Material: Tyre couplings are constructed using high-quality elastomeric materials, such as natural rubber, synthetic rubber, or polyurethane. These materials are chosen for their excellent resilience, high tensile strength, and resistance to wear and tear. The elastomeric tyre element provides the coupling with the necessary flexibility and damping properties to accommodate misalignments, shocks, and vibrations, ensuring smooth and efficient power transmission.
• Tight Fit Design: Tyre couplings have a tight fit design, where the rubber tyre is precisely molded or bonded to the coupling hubs. This tight fit minimizes any play or backlash between the tyre and the hubs, ensuring efficient torque transmission and reducing wear on the coupling components.
• High Torque Capacity: Tyre couplings are designed to handle high torque loads, making them suitable for heavy-duty industrial applications. The combination of the elastomeric material’s strength and the coupling’s robust construction allows it to withstand the stresses and forces encountered in demanding operating conditions.
• Wide Misalignment Tolerance: The torsional flexibility of tyre couplings gives them a significant advantage in accommodating misalignments between connected shafts. The design allows for both angular and parallel misalignments, reducing the load on bearings and minimizing wear on the machinery.
• Shock Absorption: Tyre couplings excel in shock absorption, which is critical in applications where sudden loads or impacts are common. The elastomeric material dampens the shock and prevents it from propagating through the connected equipment, safeguarding the machinery from damage and ensuring smooth operation.
• Temperature and Chemical Resistance: The choice of elastomeric material is tailored to specific application requirements. Tyre couplings can be manufactured with materials that exhibit excellent temperature resistance, making them suitable for both high and low-temperature environments. Additionally, certain materials are chemically resistant, enabling their use in applications involving corrosive substances.
• Simple and Compact Design: Tyre couplings have a relatively simple design, with fewer moving parts compared to some other coupling types. This simplicity and compactness make them easy to install, maintain, and replace, contributing to their overall reliability and cost-effectiveness.

Overall, tyre couplings are designed to endure harsh operating conditions, provide reliable power transmission, and minimize maintenance requirements. Their ability to accommodate misalignment, dampen vibrations, and absorb shocks ensures the smooth operation and longevity of connected equipment in various industrial settings.

What is a Tyre Coupling and How Does it Work?

A tyre coupling, also known as a tire coupling, is a type of flexible coupling used to connect two shafts in machinery or equipment. It is designed to transmit torque and accommodate misalignments between the shafts while dampening vibrations and shock loads. The name “tyre coupling” comes from its construction, where a flexible tyre element connects the two hubs of the coupling.

Construction: A tyre coupling typically consists of two metal hubs, each attached to the ends of the shafts to be connected. These hubs are usually made of steel and have a flanged or non-flanged design. The flexible element in the coupling is a tyre made of high-quality rubber or synthetic material. The tyre is placed between the two hubs and secured in place by clamping elements or screws.

Working Principle: The tyre coupling’s working principle involves the transfer of torque from one shaft to the other through the flexible tyre element. When the shafts are misaligned, the tyre can deform and twist slightly, accommodating the angular, axial, and parallel misalignments between the shafts. This flexibility not only reduces stress on the connected machinery but also helps in dampening vibrations and shocks that may arise during the operation.

When torque is applied to one shaft, it causes the tyre to compress on one side and expand on the other, transmitting the torque to the other shaft. The tyre’s flexibility allows it to absorb shocks and vibrations, providing a cushioning effect and protecting the connected equipment from sudden jolts or impact loads.

Advantages of Tyre Couplings:

• Misalignment Tolerance: Tyre couplings can handle both angular and parallel misalignments between the shafts, providing flexibility in installation and reducing the risk of shaft and bearing damage.
• Vibration Damping: The rubber tyre element absorbs vibrations and shocks, leading to smoother operation and extended machinery life.
• Simple Installation: Tyre couplings are relatively easy to install and require minimal maintenance.
• Cost-Effective: They are a cost-effective solution for connecting shafts in various industrial applications.
• Reduced Noise: The flexible tyre element helps in reducing noise levels during operation.

Applications:

Tyre couplings are used in a wide range of industrial applications, including:

• Motor-driven equipment such as pumps, compressors, fans, and blowers.
• Conveyors and material handling systems.
• Power transmission systems in various industries.
• Construction equipment and machinery.
• Marine propulsion systems.
• Steel mills and mining equipment.

Overall, tyre couplings offer a flexible and reliable solution for connecting shafts, ensuring smooth power transmission, and protecting machinery from misalignment-induced stress and vibrations.

editor by CX 2023-09-27