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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Retrofitting Roller Chain Couplings for Improved Performance
Yes, roller chain couplings can be retrofitted into existing systems to improve performance and enhance power transmission capabilities. Retrofitting is a cost-effective way to upgrade the coupling system without the need for significant modifications to the existing machinery.
When considering a retrofit with roller chain couplings, it is essential to ensure that the new couplings are compatible with the existing shaft sizes and operating conditions. The dimensions of the roller chain couplings should match the space available in the system, and the torque and speed ratings should meet or exceed the requirements of the application.
The advantages of retrofitting with roller chain couplings include:
- Increased Torque Capacity: Roller chain couplings can handle higher torque loads compared to some other coupling types, providing improved power transmission capabilities.
- Better Misalignment Tolerance: Roller chain couplings can accommodate both angular and parallel misalignments, reducing stress on the connected equipment and extending its service life.
- Shock Load Absorption: The flexibility of roller chain couplings allows them to absorb shock loads, protecting the drivetrain and other mechanical components from sudden impacts.
- Reduced Downtime: Retrofitting can be a quick and straightforward process, minimizing downtime during the upgrade.
Before proceeding with the retrofit, it is essential to consult with coupling manufacturers or engineering experts to ensure the proper selection and installation of roller chain couplings. Additionally, regular maintenance and inspections are crucial to ensure continued optimal performance and reliability of the retrofitted coupling system.
Reducing Vibrations and Ensuring Smooth Operation with Roller Chain Couplings
Roller chain couplings are designed to provide a flexible and torsionally soft connection between shafts, which helps in reducing vibrations and ensuring smooth operation in mechanical power transmission systems. Here’s how roller chain couplings contribute to achieving these benefits:
- Shock Absorption: Roller chain couplings have the ability to absorb and dampen shock loads that may occur due to sudden starts, stops, or changes in the load. This feature prevents the transmission of these shocks to connected equipment, reducing vibrations and protecting the system from mechanical damage.
- Torsional Flexibility: The flexibility of roller chain couplings allows for slight misalignments between shafts. This capability helps in accommodating minor misalignments, which might otherwise lead to increased vibrations and noise in rigid coupling systems.
- Uniform Load Distribution: Roller chain couplings distribute the transmitted torque uniformly along the chain, reducing stress concentration on specific components. This even distribution of load helps in maintaining smooth operation and prolonging the life of the coupling.
- Damping Properties: The material properties of roller chain couplings, such as the use of elastomeric or plastic elements in some designs, provide inherent damping characteristics. This damping helps in absorbing vibrations and preventing resonance, ensuring stable and smooth operation.
- Reduced Backlash: Roller chain couplings exhibit minimal backlash due to the precise fit of the chain’s teeth with the sprockets. This feature is beneficial in applications that require accurate positioning and motion control.
By reducing vibrations and ensuring smooth operation, roller chain couplings contribute to improved overall system performance, reduced wear and tear on components, and enhanced reliability in various industrial applications.
Key Design Considerations for Roller Chain Couplings in Power Transmission Systems
When using roller chain couplings in power transmission systems, several key design considerations should be taken into account:
- Torque and Power Ratings: Calculate the required torque and power ratings to ensure the roller chain coupling can handle the expected loads and prevent overloading.
- Speed: Consider the operating speed of the coupling to select a roller chain and sprocket combination that can handle the rotational speed without experiencing excessive wear or fatigue.
- Shaft Sizes: Ensure that the roller chain coupling’s sprockets are compatible with the shaft sizes of the connected equipment. Proper fit is crucial to transmit torque effectively and prevent slippage.
- Misalignment: Assess the potential misalignments between the shafts and choose a roller chain coupling that can accommodate the expected angular, parallel, and axial misalignments to reduce stress on the system.
- Service Environment: Consider the operating conditions, such as temperature, humidity, and exposure to contaminants, and select roller chain coupling materials that can withstand the environmental factors for extended service life.
- Lubrication: Determine the lubrication requirements of the roller chain coupling and establish a maintenance schedule to ensure proper lubrication and prevent premature wear.
- Space Limitations: Take into account any spatial restrictions or limitations in the installation area to select a roller chain coupling that fits within the available space.
- Alignment Maintenance: Plan for periodic alignment checks and adjustments to maintain the optimal performance of the roller chain coupling and extend its service life.
- Cost: Evaluate the budget constraints and compare the cost of different roller chain coupling options to choose the most cost-effective solution without compromising performance.
By considering these design factors, engineers can ensure that the roller chain coupling performs optimally and provides reliable power transmission in their specific power transmission systems.
editor by CX 2024-02-19