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 CZPT 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

Related products

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

Are there any Safety Considerations When Using Stainless Steel Couplings in Specific Applications?

Yes, there are several safety considerations to keep in mind when using stainless steel couplings in specific applications:

• Proper Installation: Ensure that the stainless steel couplings are correctly installed according to the manufacturer’s guidelines. Improper installation can lead to misalignment and increased stress on the coupling, potentially causing premature failure.
• Temperature and Pressure Limits: Pay attention to the temperature and pressure limits of the stainless steel coupling. Exceeding these limits may compromise the structural integrity of the coupling and pose safety risks.
• Corrosion Resistance: While stainless steel is known for its corrosion resistance, it is essential to select the appropriate grade of stainless steel that matches the specific environment in which the coupling will be used. In corrosive environments, using the wrong stainless steel grade can lead to degradation and failure over time.
• Maintenance: Regularly inspect and maintain the stainless steel coupling to detect any signs of wear, damage, or corrosion. Address any issues promptly to prevent potential hazards.
• Protective Gear: In some industrial applications, the stainless steel coupling may be exposed to rotating parts or other potential hazards. Ensure that appropriate protective gear, such as gloves or safety guards, is used when necessary.
• Emergency Shutdown: Establish a proper emergency shutdown procedure in case of coupling failure or other emergencies. This procedure should be clearly communicated to all relevant personnel.
• Load Considerations: Be aware of the load requirements and limitations of the stainless steel coupling. Overloading the coupling can lead to stress and failure.
• Environmental Factors: Consider environmental factors such as temperature fluctuations, humidity, and exposure to chemicals. These factors can influence the performance and safety of the coupling.

It is essential to conduct a thorough risk assessment for each specific application where stainless steel couplings are used. Following safety guidelines and best practices can help mitigate potential risks and ensure the safe operation of the mechanical system.

Stainless Steel Couplings in Food Processing and Medical Equipment

Yes, stainless steel couplings are well-suited for use in food processing and medical equipment due to their corrosion-resistant properties. Stainless steel is a family of alloyed steels containing a minimum of 10.5% chromium, which forms a thin, passive oxide layer on the surface of the material. This oxide layer, known as the “passive layer,” provides excellent corrosion resistance and protects the stainless steel from chemical and environmental attacks.

In food processing and medical equipment applications, maintaining a hygienic environment is essential to ensure product quality and patient safety. Stainless steel couplings offer several advantages in these industries:

1. Corrosion Resistance: Stainless steel couplings are resistant to rust, corrosion, and staining, even when exposed to harsh chemicals and cleaning agents used in food processing and medical settings. This property ensures the couplings’ integrity and prevents contamination of the processed food or medical products.
2. Sanitary Design: Stainless steel couplings can be designed with smooth surfaces and rounded edges, reducing the potential for bacterial growth and making them easy to clean and sanitize. The absence of crevices and threads prevents the accumulation of food particles, debris, or contaminants.
3. High Strength and Durability: Stainless steel couplings offer high strength and durability, making them suitable for heavy-duty applications in both food processing and medical equipment. Their ability to withstand wear, impact, and frequent cleaning cycles ensures a long service life.
4. Chemical Compatibility: Stainless steel couplings are compatible with a wide range of chemicals and cleaning agents commonly used in food processing and medical facilities. They do not leach harmful substances into the processed food or medical products.
5. Regulatory Compliance: Stainless steel is often used in food processing and medical equipment because it meets various industry standards and regulatory requirements, such as FDA (Food and Drug Administration) approval for food contact and ISO certifications for medical equipment.

Due to these benefits, stainless steel couplings are commonly used in food processing machines, pharmaceutical manufacturing equipment, medical devices, and other applications where corrosion resistance, cleanliness, and compliance with stringent regulations are critical.

Corrosion Resistance of Stainless Steel Couplings in Harsh Environments

Yes, stainless steel couplings are highly resistant to corrosion and rust in harsh environments. This exceptional corrosion resistance is a result of the specific composition of stainless steel, which includes chromium as a major alloying element.

Chromium forms a protective layer of chromium oxide on the surface of the stainless steel, which acts as a barrier against oxygen and other corrosive elements. This passive layer prevents the metal beneath from coming into direct contact with the surrounding environment, effectively shielding the coupling from corrosion and rust.

In harsh environments where the coupling is exposed to moisture, chemicals, high temperatures, or saltwater, the corrosion-resistant properties of stainless steel ensure that the coupling remains unaffected by the corrosive agents. This makes stainless steel couplings suitable for applications in marine environments, chemical processing plants, wastewater treatment facilities, and other settings where conventional materials may succumb to corrosion over time.

Stainless steel couplings can also withstand frequent washdowns and cleaning processes without deteriorating, making them an excellent choice for industries with strict hygiene requirements, such as food and pharmaceutical manufacturing.

Overall, the ability of stainless steel couplings to resist corrosion and rust in harsh environments enhances their longevity and ensures reliable performance, making them a preferred choice for critical industrial applications.

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editor by CX 2023-08-07