Product Description
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
Product Description
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.
| Rigid coupling | Flange coupling | Oldham coupling |
| Sleeve or muff coupling | Gear coupling | Bellow coupling |
| Split muff coupling | Flexible coupling | Fluid coupling |
| Clamp or split-muff or compression coupling | Universal coupling | Variable speed coupling |
| Bushed pin-type coupling | Diaphragm coupling | Constant speed coupling |
Company Profile
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.
Certifications
Packaging & Shipping
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Exploring the Use of Elastomeric Materials in Flexible Shaft Couplings
Elastomeric materials play a crucial role in the design and function of flexible shaft couplings. These materials, commonly known as elastomers, are rubber-like substances that exhibit high elasticity and flexibility. They are widely used in various types of flexible couplings due to their unique properties and benefits:
1. Damping and Vibration Absorption:
Elastomeric materials have excellent damping characteristics, meaning they can absorb and dissipate vibrations and shocks. This property is particularly useful in applications where vibration control is essential to protect sensitive equipment and improve overall system performance.
2. Misalignment Compensation:
Flexible shaft couplings with elastomeric elements can accommodate different types of misalignments, including angular, parallel, and radial misalignments. The elasticity of the material allows for limited movement between the shafts while still transmitting torque efficiently.
3. Torsional Flexibility:
Elastomers offer torsional flexibility, which allows them to twist and deform under torque loads. This feature helps to minimize torsional stresses and torsional backlash, making them suitable for applications requiring precise motion control.
4. Shock and Impact Resistance:
Due to their high resilience, elastomers can withstand sudden shocks and impacts without permanent deformation. This property makes them ideal for use in machinery subjected to varying loads or rapid changes in torque.
5. No Lubrication Requirement:
Elastomeric couplings are often maintenance-free because the elastomer material does not require additional lubrication. This reduces maintenance costs and simplifies the overall system upkeep.
6. Electric Isolation:
In certain applications, elastomeric materials can provide electrical isolation between the driving and driven components. This can help prevent the transmission of electrical currents or static charges through the coupling.
7. Corrosion Resistance:
Many elastomers used in couplings are resistant to corrosion, making them suitable for use in challenging environments where exposure to chemicals or moisture is a concern.
8. Easy Installation:
Elastomeric couplings are often designed for ease of installation and replacement. Their flexibility allows for simple and quick assembly onto the shafts without the need for special tools or complex procedures.
Given these advantages, elastomeric materials are popular choices for various flexible shaft couplings, including jaw couplings, tire couplings, and spider couplings. However, it is essential to select the right elastomer material based on the specific application requirements, such as temperature range, chemical compatibility, and torque capacity.
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Temperature and Speed Limits for Different Shaft Coupling Types
The temperature and speed limits of shaft couplings vary depending on the materials and design of the coupling. Manufacturers provide specific guidelines and ratings for each coupling type. Below are general temperature and speed limits for some common shaft coupling types:
1. Elastomeric Couplings:
Elastomeric couplings, such as jaw couplings and tire couplings, typically have temperature limits ranging from -40°C to 100°C (-40°F to 212°F). The speed limits for elastomeric couplings are generally up to 5,000 RPM, but some designs may allow higher speeds.
2. Metallic Couplings:
Metallic couplings, like gear couplings and disc couplings, can handle a wider temperature range, typically from -50°C to 200°C (-58°F to 392°F). The speed limits for metallic couplings vary based on the size and design, but they can range from 3,000 RPM to over 10,000 RPM.
3. Grid Couplings:
Grid couplings have temperature limits similar to metallic couplings, ranging from -50°C to 200°C (-58°F to 392°F). The speed limits for grid couplings are typically in the range of 3,000 to 5,000 RPM.
4. Oldham Couplings:
Oldham couplings usually have temperature limits from -30°C to 100°C (-22°F to 212°F) and speed limits ranging from 1,000 to 5,000 RPM.
5. Beam Couplings:
Beam couplings generally have temperature limits from -40°C to 120°C (-40°F to 248°F) and speed limits between 5,000 to 10,000 RPM.
6. Fluid Couplings:
Fluid couplings are suitable for a wide range of temperatures, often from -50°C to 300°C (-58°F to 572°F). The speed limits depend on the size and design of the fluid coupling but can extend to several thousand RPM.
It’s important to note that these are general guidelines, and the actual temperature and speed limits may vary based on the specific coupling manufacturer, material quality, and application requirements. Always refer to the manufacturer’s documentation and technical specifications for accurate and up-to-date temperature and speed limits for a particular shaft coupling model.
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Can a Damaged Shaft Coupling Lead to Equipment Failure and Downtime?
Yes, a damaged shaft coupling can lead to equipment failure and downtime in mechanical power transmission systems. Shaft couplings play a critical role in connecting rotating shafts and transmitting power between them. When a coupling becomes damaged or fails to function properly, several negative consequences can arise:
1. Misalignment Issues:
A damaged coupling may no longer be able to compensate for misalignments between the connected shafts. Misalignment can cause excessive vibration, increased wear, and premature failure of bearings and other connected components. Over time, these issues can lead to equipment breakdown and unplanned downtime.
2. Vibration and Shock Loads:
Without the damping properties of a functional coupling, vibrations and shock loads from the driven equipment can transmit directly to the driving shaft and other parts of the system. Excessive vibrations can lead to fatigue failure, cracking, and damage to the equipment, resulting in reduced operational efficiency and increased downtime.
3. Overloading and Torque Transmission:
A damaged coupling may not effectively transmit the required torque between the driving and driven shafts. In applications where the coupling is a safety device (e.g., shear pin couplings), failure to disengage during overloading situations can lead to equipment overload and damage.
4. Increased Wear and Tear:
A damaged coupling can lead to increased wear on other parts of the system. Components such as bearings, seals, and gears may experience higher stress and wear, reducing their lifespan and increasing the likelihood of breakdowns.
5. Reduced System Reliability:
A functional shaft coupling contributes to the overall reliability of the mechanical system. A damaged coupling compromises this reliability, making the system more prone to failures and unplanned maintenance.
6. Downtime and Production Loss:
When a shaft coupling fails, it often results in unscheduled downtime for repairs or replacement. Downtime can be costly for industries that rely on continuous production processes and can lead to production losses and missed delivery deadlines.
7. Safety Hazards:
In certain applications, such as heavy machinery or industrial equipment, a damaged coupling can create safety hazards for workers and surrounding equipment. Sudden failures or uncontrolled movements may pose risks to personnel and property.
Regular inspection, maintenance, and prompt replacement of damaged shaft couplings are essential to prevent equipment failure, minimize downtime, and ensure safe and efficient operation of mechanical systems. It is crucial to address any signs of coupling wear or damage immediately to avoid potential catastrophic failures and costly disruptions to operations.
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editor by CX 2024-02-25