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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What Industries Commonly Use Flange Couplings for Power Transmission?
Flange couplings are widely used in various industries for power transmission due to their reliability and versatility. Some of the common industries where flange couplings are employed include:
1. Manufacturing: In manufacturing industries such as automotive, aerospace, electronics, and consumer goods, flange couplings are utilized in machinery and equipment to transmit power between different components.
2. Oil and Gas: The oil and gas industry often uses flange couplings in pumps, compressors, and turbines for power transmission in exploration, extraction, and refining processes.
3. Chemical and Petrochemical: Flange couplings are used in various equipment within the chemical and petrochemical industry, including mixers, agitators, and pumps, to transfer power efficiently.
4. Mining and Construction: Heavy-duty machinery in mining and construction applications relies on flange couplings to transmit power in demanding and challenging environments.
5. Power Generation: Power plants, including thermal, hydroelectric, and wind power facilities, use flange couplings in turbines, generators, and auxiliary systems for power transmission.
6. Marine: In the marine industry, flange couplings are utilized in propulsion systems, winches, and other equipment that requires power transmission in marine vessels.
7. Steel and Metal Processing: Steel mills and metal processing plants use flange couplings in various equipment, including rolling mills and conveyor systems.
8. Food and Beverage: The food processing and beverage industry use flange couplings in mixers, pumps, and conveyor systems to handle power transmission in hygienic environments.
9. Pharmaceutical: Pharmaceutical manufacturing equipment employs flange couplings for power transmission in processes such as mixing, granulation, and tablet compression.
10. Water and Wastewater: Flange couplings are used in water treatment plants and wastewater facilities to transfer power in pumps and other equipment.
These are just a few examples, and flange couplings are found in many other industries where reliable power transmission is essential for smooth operations.
How Does a Flange Coupling Help in Power Transmission Efficiency?
A flange coupling plays a crucial role in improving power transmission efficiency in mechanical systems. It efficiently transfers power from one shaft to another while maintaining the alignment and minimizing energy losses. Here’s how flange couplings contribute to power transmission efficiency:
1. Direct Power Transfer: Flange couplings provide a direct connection between the driving and driven shafts, ensuring a solid and reliable power transfer without the need for intermediate components. This direct coupling minimizes power losses that can occur in systems with multiple components and connections.
2. Rigid and Precise Connection: Rigid flange couplings offer a precise and firm connection between shafts, minimizing angular and parallel misalignments. By reducing misalignment, energy losses due to friction and vibrations are minimized, leading to more efficient power transmission.
3. Absence of Slippage: Flange couplings are designed to provide a secure and non-slip connection between shafts. Unlike some other coupling types that might experience slippage under heavy loads or during acceleration, flange couplings maintain constant power transmission without loss of torque.
4. High Load-Carrying Capacity: Flange couplings are capable of handling high torque and axial loads, making them suitable for heavy-duty applications. The ability to handle these loads without deformation ensures efficient power transmission even in demanding industrial settings.
5. Minimal Maintenance: Flange couplings are generally low-maintenance components. Once properly installed, they require minimal attention, reducing downtime and enhancing overall system efficiency.
6. Balancing and Vibration Damping: Some flange coupling designs, such as flexible and torsionally flexible couplings, provide additional benefits like vibration damping and torsional flexibility. These features help to absorb shocks and vibrations, ensuring a smoother power transmission and protecting connected equipment from damage.
7. Selection of Appropriate Flange Type: Choosing the right type of flange coupling for a specific application is crucial for optimal power transmission efficiency. Different flange designs offer varying levels of flexibility and alignment capabilities, allowing engineers to select the most suitable coupling based on the system requirements.
In summary, flange couplings facilitate efficient power transmission by maintaining alignment, reducing energy losses, and providing a robust and reliable connection between shafts. Properly selected and installed flange couplings help improve the overall efficiency and performance of mechanical systems.
How Does a Flange Coupling Protect Connected Equipment from Shock Loads and Vibrations?
A flange coupling plays a crucial role in protecting connected equipment from shock loads and vibrations by absorbing and dampening the impact and oscillations. The design and material properties of flange couplings contribute to their ability to mitigate shock and vibrations effectively. Below are the key factors explaining how flange couplings provide protection:
1. Flexibility: Flexible flange couplings are designed with elastomeric or metallic elements that offer flexibility between the connected shafts. When subjected to shock loads or vibrations, these elements can absorb and dissipate the energy, preventing it from transmitting to the connected equipment. The flexibility allows the coupling to accommodate misalignment and minor shocks, reducing the stress on the system.
2. Damping Properties: Elastomeric elements used in certain flange coupling designs possess inherent damping properties. These materials can absorb and dissipate vibrational energy, reducing resonance and preventing harmful vibrations from being amplified in the system.
3. Misalignment Compensation: Flange couplings with flexible elements can compensate for certain degrees of misalignment between the shafts. Misalignment can lead to additional forces and vibrations in the system, but the coupling’s ability to accommodate this misalignment reduces the impact on the connected equipment.
4. Resilience: Flange couplings made from materials like steel or other alloys have high resilience and can withstand sudden shock loads without permanent deformation. This resilience helps maintain the coupling’s integrity and allows it to continue functioning effectively after exposure to shock events.
5. Friction Damping: Some rigid flange coupling designs incorporate friction damping features. These couplings rely on friction between the mating surfaces to dampen vibrations and prevent resonant frequencies from causing issues in the system.
6. Material Selection: The choice of materials for both flexible and rigid flange couplings is critical in their ability to protect connected equipment from shock loads and vibrations. High-quality materials with appropriate mechanical properties, such as strength and elasticity, enhance the coupling’s ability to withstand shocks and vibrations.
7. Proper Installation: Correct installation and alignment of the flange coupling are essential to ensure it functions as intended. Properly installed couplings can effectively manage shocks and vibrations, while misaligned couplings may experience premature wear and transmit higher forces to the connected equipment.
8. Maintenance: Regular maintenance, including inspection, lubrication, and monitoring, ensures that the flange coupling continues to provide protection against shocks and vibrations throughout its service life.
In summary, flange couplings protect connected equipment from shock loads and vibrations by providing flexibility, damping properties, misalignment compensation, resilience, and friction damping. The selection of suitable materials, proper installation, and regular maintenance further enhance their performance in protecting industrial machinery and equipment from potential damage caused by dynamic forces.
editor by CX 2024-02-09