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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Best Practices for Selecting Oil for an Oil Coupling System
Selecting the appropriate oil for an oil coupling system involves considering various factors to ensure optimal performance and longevity:
- Viscosity: Choose an oil with the right viscosity grade for the operating temperature range to maintain proper lubrication.
- Load and Torque: Consider the system’s load and torque requirements to select an oil that can handle the anticipated stresses.
- Speed: Determine the operating speed range and choose an oil that can provide adequate lubrication at those speeds.
- Environment: Assess the operating environment for factors like temperature, humidity, and potential contaminants.
- Compatibility: Ensure the chosen oil is compatible with the materials used in the coupling and its components.
- Oil Life: Evaluate the oil’s expected service life and its ability to resist oxidation and degradation over time.
- Oil Additives: Consider additives that enhance lubricity, anti-wear properties, and resistance to foaming and corrosion.
- Manufacturer Recommendations: Consult the coupling manufacturer’s guidelines and recommendations for oil selection.
- Oil Change Intervals: Determine the recommended oil change intervals based on factors like usage and operating conditions.
- Oil Analysis: Regularly monitor the oil’s condition through analysis to ensure it remains within acceptable parameters.
- Regulations: Consider any industry regulations or standards that might specify oil requirements for the intended application.
By following these best practices, you can choose the most suitable oil for your oil coupling system, optimizing its performance and longevity.
Handling High Torque and Variable Speeds with Oil Couplings
Oil couplings are well-suited for applications that involve high torque and variable speeds due to their unique design and operating principle. Here’s how they handle these challenges:
- High Torque: Oil couplings can effectively handle high torque levels by using the fluid’s viscosity and shear properties to transmit torque. As torque increases, the viscosity of the oil also increases, enhancing its ability to transmit power. This characteristic allows oil couplings to withstand sudden spikes in torque without causing damage.
- Variable Speeds: Oil couplings are inherently capable of accommodating variable speeds. The viscosity of the oil can adjust to changing speeds, ensuring smooth power transmission even when the rotational speed varies. This flexibility is particularly beneficial in applications where the load or operating conditions may change frequently.
By relying on the fluid properties of the oil, oil couplings can maintain stable and efficient power transmission across a range of torque levels and speeds. This makes them suitable for applications that require high torque, variable speeds, and adaptability to changing operating conditions.
Challenges from Improper Oil Coupling Maintenance and Avoidance
Improper maintenance of oil couplings can lead to various challenges that affect performance, efficiency, and the overall lifespan of the machinery. Here’s how to avoid these challenges:
Oil Contamination: If contaminants like dirt, water, or foreign particles enter the oil, it can compromise the lubrication and cause excessive wear. Regularly inspect and change the oil according to manufacturer recommendations to prevent contamination.
Insufficient Lubrication: Inadequate oil levels or improper oil viscosity can lead to insufficient lubrication. Monitor oil levels and choose the right oil viscosity as per manufacturer guidelines to ensure proper lubrication.
Overheating: Operating an oil coupling at high temperatures without proper cooling mechanisms can cause the oil to break down, leading to reduced lubrication properties and potential damage. Implement cooling systems if necessary and monitor operating temperatures closely.
Oil Degradation: Over time, oil can degrade due to oxidation, thermal stress, and chemical reactions. Regularly check oil condition and replace it if signs of degradation are detected. Scheduled oil analysis can help predict oil degradation and replacement times.
Incorrect Oil Selection: Using the wrong type of oil with improper viscosity and properties can affect coupling performance. Always refer to manufacturer guidelines and recommendations for selecting the right oil for your specific coupling.
Infrequent Inspections: Lack of regular inspections can result in undetected issues, leading to potential failures. Implement a regular inspection schedule to identify any signs of wear, leaks, or other problems early on.
Ignoring Manufacturer Recommendations: Manufacturers often provide maintenance guidelines for their specific oil couplings. Ignoring these recommendations can lead to suboptimal performance and premature wear. Always follow the manufacturer’s maintenance instructions and recommended intervals.
Improper Installation: Incorrect installation can lead to misalignment, poor engagement, and premature wear. Follow proper installation procedures and ensure accurate alignment to prevent these issues.
Lack of Training: Inadequate operator training can result in improper oil coupling maintenance. Provide proper training to operators and maintenance personnel to ensure they understand the coupling’s requirements and maintenance procedures.
By addressing these challenges through regular maintenance, following manufacturer guidelines, and implementing best practices, you can ensure the optimal performance and longevity of your oil couplings and the machinery they are a part of.
editor by CX 2024-04-29
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