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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Maintenance-Free Fluid Coupling Options
Yes, there are maintenance-free fluid coupling options available in the market. Advances in fluid coupling technology have led to the development of maintenance-free or low-maintenance designs that offer extended service intervals and reduced downtime.
These maintenance-free fluid couplings typically incorporate features that minimize wear and prolong the operating life of the coupling, reducing the need for regular maintenance and lubrication.
Some of the key features and technologies found in maintenance-free fluid couplings include:
- Sealed Design: Maintenance-free fluid couplings often come with a sealed design that prevents the ingress of contaminants and dirt, reducing the risk of internal damage and wear.
- High-Quality Materials: These couplings are constructed using high-quality materials that exhibit excellent durability and resistance to wear, ensuring a longer lifespan.
- Lubrication-Free Operation: Certain maintenance-free fluid couplings utilize special fluid formulations that provide long-lasting lubrication, eliminating the need for frequent fluid changes or refills.
- Robust Bearings: Maintenance-free fluid couplings are equipped with robust bearings that can withstand high loads and operate smoothly without the need for regular maintenance.
- Advanced Monitoring Systems: Some modern fluid couplings are equipped with advanced monitoring and diagnostic systems that provide real-time data on coupling performance, enabling proactive maintenance planning and minimizing unexpected failures.
By opting for a maintenance-free fluid coupling, industries can benefit from reduced maintenance costs, improved reliability, and increased productivity. These couplings are particularly valuable in applications where access to equipment for regular maintenance is challenging or in remote locations where maintenance resources may be limited.
However, it’s essential to note that the specific maintenance requirements may vary depending on the manufacturer and the application. It is advisable to consult with the coupling manufacturer or supplier to select the most suitable maintenance-free fluid coupling based on the operating conditions and requirements of the machinery or equipment.
Cost Implications of Using Fluid Couplings in Comparison to Other Power Transmission Methods
The cost implications of using fluid couplings in power transmission depend on various factors, including the application requirements, the size of the system, and the operational conditions. While fluid couplings offer several advantages, they may have different cost considerations compared to other power transmission methods like mechanical clutches, VFDs (Variable Frequency Drives), and direct mechanical drives.
1. Initial Investment:
The initial cost of a fluid coupling can be higher than that of a mechanical clutch or a direct mechanical drive. Fluid couplings contain precision components, including the impeller and turbine, which can impact their initial purchase price.
2. Maintenance Costs:
Fluid couplings are generally considered to have lower maintenance costs compared to mechanical clutches. Mechanical clutches have wear and tear components that may require more frequent replacements, leading to higher maintenance expenses over time.
3. Energy Efficiency:
Fluid couplings are highly efficient in power transmission, especially during soft-start applications. Their ability to reduce shock loads and provide a smooth acceleration can result in energy savings and operational cost reductions.
4. Space and Weight:
Fluid couplings are usually more compact and lighter than some mechanical clutches, which can be advantageous in applications with space constraints or weight limitations.
5. Specific Application Considerations:
The suitability and cost-effectiveness of fluid couplings versus other power transmission methods can vary based on specific application requirements. For example, in soft-start applications, fluid couplings may be the preferred choice due to their ability to reduce mechanical stress and protect connected equipment.
6. Lifespan and Reliability:
While the initial cost of a fluid coupling might be higher, their longevity and reliability can lead to lower overall life cycle costs compared to other power transmission methods.
In conclusion, the cost implications of using fluid couplings in power transmission depend on the particular application and the total cost of ownership over the equipment’s lifespan. Although fluid couplings may have a higher initial investment, their long-term reliability, energy efficiency, and lower maintenance costs can make them a cost-effective choice in many industrial applications.
Key Components of a Fluid Coupling and Their Functions
A fluid coupling consists of several essential components that work together to transfer torque and facilitate smooth power transmission. The key components and their functions are as follows:
- Impeller: The impeller is the primary input element of the fluid coupling. It is directly connected to the driving shaft and rotates with it. The impeller’s function is to churn and circulate the fluid inside the coupling, creating a flow that generates a hydrodynamic torque.
- Runner/Turbine: The runner, also known as the turbine, is the output element of the fluid coupling. It is connected to the driven shaft and rotates with it. As the fluid from the impeller flows onto the runner, it causes the runner to rotate and transmit torque to the driven load.
- Fluid: The fluid, typically hydraulic oil, is the medium that transmits torque from the impeller to the runner. It fills the space between the impeller and the runner and allows the torque transfer to take place through hydrodynamic action.
- Filler Plug: The filler plug is used to add or drain the fluid from the fluid coupling. It allows for the adjustment of fluid levels, which can influence the coupling’s performance characteristics.
- Seal Ring: The seal ring prevents the fluid from leaking out of the fluid coupling and ensures that the coupling operates with maximum efficiency and minimal losses.
- Bearing: The bearing provides support for the input and output shafts, allowing them to rotate smoothly. Bearings are critical for maintaining alignment and reducing friction within the fluid coupling.
These key components work together to create a hydrodynamic torque transfer, enabling the fluid coupling to smoothly transmit power and torque from the driving shaft to the driven shaft without any physical contact between the two shafts.
editor by CX 2024-02-25