Flexible flex Fluid Chain Jaw flange Gear Rigid Spacer PIN HRC MH NM universal Fenaflex Oldham spline clamp tyre grid hydraulic servo motor shaft Coupling
The function of Shaft coupling:
1. Shafts for connecting separately manufactured units such as motors and generators.
2. If any axis is misaligned.
3. Provides mechanical flexibility.
4. Absorb the transmission of impact load.
5. Prevent overload
We can provide the following couplings.
|Sleeve or muff coupling
|Split muff coupling
|Clamp or split-muff or compression coupling
|Variable speed coupling
|Bushed pin-type coupling
|Constant speed coupling
We are an industrial company specializing in the production of couplings. It has 3 branches: steel casting, forging, and heat treatment. Main products: cross shaft universal coupling, drum gear coupling, non-metallic elastic element coupling, rigid coupling, etc.
The company mainly produces the industry standard JB3241-91 swap JB5513-91 swc. JB3242-93 swz series universal coupling with spider type. It can also design and produce various non-standard universal couplings, other couplings, and mechanical products for users according to special requirements. Currently, the products are mainly sold to major steel companies at home and abroad, the metallurgical steel rolling industry, and leading engine manufacturers, with an annual production capacity of more than 7000 sets.
The company’s quality policy is “quality for survival, variety for development.” In August 2000, the national quality system certification authority audited that its quality assurance system met the requirements of GB/T19002-1994 IDT ISO9002:1994 and obtained the quality system certification certificate with the registration number 0900B5711. It is the first enterprise in the coupling production industry in HangZhou City that passed the ISO9002 quality and constitution certification.
The company pursues the business purpose of “reliable quality, the supremacy of reputation, commitment to business and customer satisfaction” and welcomes customers at home and abroad to choose our products.
At the same time, the company has established long-term cooperative relations with many enterprises and warmly welcomes friends from all walks of life to visit, investigate and negotiate business!
How to use the coupling safely
The coupling is an intermediate connecting part of each motion mechanism, which directly impacts the regular operation of each motion mechanism. Therefore, attention must be paid to:
1. The coupling is not allowed to have more than the specified axis deflection and radial displacement so as not to affect its transmission performance.
2. The bolts of the LINS coupling shall not be loose or damaged.
3. Gear coupling and cross slide coupling shall be lubricated regularly, and lubricating grease shall be added every 2-3 months to avoid severe wear of gear teeth and serious consequences.
4. The tooth width contact length of gear coupling shall not be less than 70%; Its axial displacement shall not be more significant than 5mm
5. The coupling is not allowed to have cracks. If there are cracks, it needs to be replaced (they can be knocked with a small hammer and judged according to the sound).
6. The keys of LINS coupling shall be closely matched and shall not be loosened.
7. The tooth thickness of the gear coupling is worn. When the lifting mechanism exceeds 15% of the original tooth thickness, the operating mechanism exceeds 25%, and the broken tooth is also scrapped.
8. If the elastic ring of the pin coupling and the sealing ring of the gear coupling is damaged or aged, they should be replaced in time.
Packaging & Shipping
Can chain couplings accommodate axial misalignment?
Chain couplings are primarily designed to accommodate angular misalignment between the connected shafts. However, they have limited ability to handle axial misalignment, which refers to the situation where the two shafts are not perfectly aligned along their common axis.
Unlike some other types of couplings, such as flexible beam or disc couplings, chain couplings are not specifically designed to handle significant axial misalignment. The primary function of a chain coupling is to transmit torque between the shafts while allowing for some degree of angular displacement.
While chain couplings can tolerate a small amount of axial misalignment, excessive axial displacement can lead to various issues. It can cause increased stress on the coupling components, such as the roller chain, sprockets, and connecting pins, leading to accelerated wear and potential failure. Additionally, excessive axial misalignment can result in decreased power transmission efficiency and increased vibration and noise during operation.
If significant axial misalignment is anticipated in an application, it is generally recommended to consider alternative coupling options that are specifically designed to handle axial misalignment, such as double-flex or flexible beam couplings. These couplings have greater flexibility and can better accommodate axial displacement without compromising performance and reliability.
It is important to consult the manufacturer’s specifications and guidelines for the specific chain coupling being used to understand its limitations regarding axial misalignment. If axial misalignment is unavoidable, it may be necessary to implement additional measures, such as shaft guides or spacers, to minimize the impact of misalignment on the chain coupling and the connected machinery or equipment.
In summary, while chain couplings can tolerate a certain degree of axial misalignment, their primary function is to accommodate angular misalignment. Excessive axial misalignment should be avoided, and alternative coupling options should be considered if significant axial displacement is expected in an application.
How does misalignment affect chain couplings?
Misalignment in chain couplings can have detrimental effects on their performance and lifespan. Here are some ways in which misalignment can affect chain couplings:
- Increase in Load: Misalignment puts additional load on the coupling components. When the shafts connected by the coupling are not properly aligned, the coupling must compensate for the angular, parallel, or axial misalignment. This increased load can lead to excessive stress and premature wear on the coupling components, such as sprockets, roller chain, and connecting pins.
- Uneven Load Distribution: Misalignment can cause an uneven distribution of load across the coupling. As a result, some sections of the coupling experience higher stresses than others. This uneven load distribution can lead to localized wear and fatigue, reducing the overall strength and reliability of the coupling.
- Reduced Power Transmission: Misalignment affects the efficiency of power transmission through the coupling. When the shafts are not properly aligned, there is increased friction and slippage between the roller chain and the sprockets. This slippage reduces the amount of power transferred from one shaft to another, resulting in a loss of efficiency and a decrease in the overall performance of the machinery or equipment.
- Increased Wear: Misalignment can accelerate wear on the coupling components. The misalignment causes the roller chain to operate at an angle or with excessive tension, causing additional stress and wear on the chain links, sprocket teeth, and connecting pins. The increased wear can lead to chain elongation, loss of engagement with the sprockets, and ultimately, coupling failure.
- Noise and Vibration: Misalignment often results in increased noise and vibration during operation. The misaligned coupling generates additional vibrations and impacts, leading to excessive noise and potential damage to the coupling and surrounding equipment. These vibrations can also propagate through the connected machinery, affecting its overall performance and reliability.
To mitigate the negative effects of misalignment, it is crucial to ensure proper alignment of the shafts and the chain coupling during installation and periodically check and adjust the alignment as needed. Proper alignment minimizes stress on the coupling components, maximizes power transmission efficiency, and extends the service life of the chain coupling.
What are the applications of chain couplings?
Chain couplings are widely used in various industrial applications where the reliable transmission of power between rotating shafts is required. They offer flexibility, torque capacity, and misalignment compensation, making them suitable for a range of machinery and equipment. Here are some common applications of chain couplings:
- Conveyors: Chain couplings are commonly used in conveyor systems to transfer power from drive motors to conveyor belts, allowing for the movement of materials in industries such as manufacturing, mining, and logistics.
- Mixers and Agitators: Chain couplings find application in mixers and agitators, which are used in industries such as food and beverage, chemical processing, and wastewater treatment. They enable the rotation of mixing blades or paddles, facilitating the blending or agitation of substances.
- Pumps: Chain couplings are utilized in pump systems to connect the pump shaft to the motor shaft. They enable the transfer of rotational energy, allowing pumps to move fluids in applications like water supply, irrigation, and industrial processes.
- Crushers and Crushers: In industries such as mining, construction, and material handling, chain couplings are employed in crushers and crushers to transmit power from electric motors or engines to the crushing or grinding mechanisms, enabling the size reduction of materials.
- Industrial Drives: Chain couplings are used in various industrial drives, including machinery for manufacturing, packaging, and material handling. They provide a reliable connection between motor-driven components such as gearboxes, rollers, and pulleys.
- Fans and Blowers: Chain couplings find application in fan and blower systems, which are used for ventilation, cooling, and air circulation in HVAC systems, industrial processes, and power plants. They facilitate the rotation of fan blades, enabling the movement of air or gases.
- Machine Tools: Chain couplings are utilized in machine tools such as lathes, milling machines, and drills, where the coupling connects the motor or drive spindle to the tool head or workpiece. They enable the transmission of rotational power for machining operations.
- Textile Machinery: Chain couplings are used in textile machinery for processes like spinning, weaving, and knitting. They connect various components such as motors, spindles, and rollers, enabling the movement and processing of textile fibers.
These are just a few examples of the applications of chain couplings. Their versatility and ability to transmit high torque loads while accommodating misalignment make them suitable for a wide range of industries and machinery where the reliable and efficient transmission of power between rotating shafts is essential.
editor by CX 2023-10-07