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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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
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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 are the maintenance requirements for fluid drive couplings to ensure optimal performance?
Proper maintenance is crucial to ensure the optimal performance and extended service life of fluid drive couplings. Regular maintenance practices help identify and address potential issues early, preventing costly breakdowns and ensuring the efficiency of power transmission systems. The maintenance requirements for fluid drive couplings include:
- Fluid Level Check: Regularly check the hydraulic fluid level in the coupling. Ensure that the fluid level is within the manufacturer’s recommended range. Low fluid levels can lead to decreased torque transmission and affect the coupling’s performance.
- Fluid Quality: Monitor the condition of the hydraulic fluid regularly. Contaminated or degraded fluid can adversely impact the coupling’s performance. Replace the fluid as per the manufacturer’s guidelines or if signs of contamination are observed.
- Seals and Gaskets: Inspect the seals and gaskets for signs of wear, leaks, or damage. Faulty seals can lead to fluid leakage, reducing the coupling’s efficiency and potentially causing damage to other components in the system.
- Alignment Check: Periodically check the alignment of the driving and driven shafts. Misalignment can result in increased wear and reduced performance of the fluid drive coupling. Proper alignment ensures optimal torque transmission and prevents premature failure.
- Overload Protection: Test the slip mechanism to ensure it is functioning correctly. The slip mechanism should engage during overload conditions to protect the coupling and connected machinery from excessive stresses.
- Coupling Bolts: Inspect and tighten the coupling bolts as per the manufacturer’s recommendations. Loose bolts can result in misalignment and reduced coupling efficiency.
- Lubrication: Some fluid drive couplings may have specific lubrication requirements. Follow the manufacturer’s guidelines for lubricating the coupling components, if applicable.
- Temperature Monitoring: Monitor the operating temperature of the fluid drive coupling. Excessive heat can impact the hydraulic fluid’s viscosity and degrade the coupling’s performance.
- Periodic Inspection: Conduct regular visual and functional inspections of the fluid drive coupling. Look for any signs of abnormal wear, damage, or unusual noises during operation.
It is essential to refer to the manufacturer’s maintenance guidelines and recommendations specific to the fluid drive coupling model. Adhering to the prescribed maintenance schedule and procedures ensures that the coupling remains in optimal condition and delivers reliable performance over its operational life.
By following these maintenance practices, users can minimize downtime, avoid costly repairs, and ensure the fluid drive coupling continues to contribute to the efficient and safe operation of the power transmission system.
How Fluid Drive Couplings Ensure Efficient Power Transmission and Smooth Operation
Fluid drive couplings, also known as hydraulic couplings or fluid couplings, are designed to facilitate efficient power transmission and ensure smooth operation in various industrial applications. Here’s how they achieve these objectives:
- Fluid Medium: Fluid drive couplings contain a fluid medium, typically hydraulic oil, inside a sealed chamber. When the driving shaft rotates, it imparts motion to the fluid.
- Centrifugal Action: As the fluid is set in motion by the driving shaft, it creates a centrifugal force that causes the fluid to move outward towards the housing walls.
- Torque Transmission: The moving fluid then comes in contact with the blades or vanes attached to the driven shaft. This interaction transmits torque from the driving shaft to the driven shaft, allowing power transmission.
- Smooth Start: During startup, the fluid coupling provides a controlled, gradual acceleration to the driven shaft. This soft start minimizes shock loads on the connected equipment, reducing wear and tear and preventing damage to the system.
- Torque Converter: In some applications, fluid drive couplings function as torque converters, especially in automatic transmissions. They enable efficient power transfer in a wide range of speeds, allowing the engine to operate efficiently at various load conditions.
- Torsional Vibration Damping: Fluid drive couplings act as torsional vibration dampers, absorbing vibrations and shocks caused by sudden changes in load or speed. This feature protects the connected equipment and improves overall system reliability.
- Overload Protection: Fluid drive couplings offer overload protection by slipping when the load exceeds a certain threshold. This prevents mechanical damage and helps safeguard the system from sudden shocks or blockages.
- Energy Efficiency: By providing a soft start and minimizing power loss during transmission, fluid drive couplings contribute to energy efficiency in various applications.
Overall, fluid drive couplings play a crucial role in ensuring efficient power transmission, protecting equipment from damage, and enabling smooth operation in a wide range of industrial processes.
What is a fluid drive coupling, and how does it function in mechanical power transmission?
A fluid drive coupling, also known as a hydraulic coupling, is a mechanical device used to transmit power between two shafts in a machinery system. It operates on the principle of hydrodynamic power transmission, utilizing hydraulic fluid to transfer torque and rotational motion from the driving shaft to the driven shaft.
The basic construction of a fluid drive coupling consists of two primary components: a driving impeller (pump) and a driven impeller (turbine), both housed within a sealed casing. The casing is filled with hydraulic fluid, typically oil. When the driving impeller is activated, it starts rotating, creating a flow of hydraulic fluid within the casing. This fluid movement generates a hydraulic force that drives the driven impeller to rotate at the same speed as the driving impeller.
The key features of how a fluid drive coupling functions in mechanical power transmission are as follows:
- No Mechanical Contact: Fluid drive couplings are non-contact power transmission devices. There is no direct mechanical connection between the driving and driven shafts. Instead, they rely on the hydraulic fluid to transfer power.
- Torque Amplification: Fluid drive couplings can provide torque amplification during startup or when the driven shaft experiences resistance. As the driving impeller starts rotating, the hydraulic fluid movement gradually accelerates the driven impeller, effectively increasing the torque applied to the driven shaft.
- Smooth Operation: Due to the hydrodynamic nature of power transmission, fluid drive couplings offer smooth and gradual acceleration, reducing shock loads on the machinery and minimizing wear on mechanical components.
- Slip Control: In certain applications, fluid drive couplings allow controlled slippage between the driving and driven shafts. This feature can protect the machinery from sudden overloads and act as a safety mechanism during transient operations.
- Speed Regulation: Fluid drive couplings can regulate the speed of the driven shaft by adjusting the input speed of the driving shaft. This speed regulation can be useful in applications where precise control of output speed is required.
- Overload Protection: In cases of excessive load or torque, fluid drive couplings can slip, absorbing the excess energy and protecting the machinery from damage.
Fluid drive couplings find applications in various industries, including automotive, industrial machinery, mining, and marine. They are commonly used in applications where smooth power transmission, torque amplification, and overload protection are crucial.
It’s essential to consider the specific requirements of the machinery system and the torque and speed characteristics when selecting a fluid drive coupling. Proper maintenance and monitoring of hydraulic fluid levels and condition are necessary to ensure optimal performance and longevity of the fluid drive coupling in mechanical power transmission.
editor by CX 2024-02-10
