Product Description

 

Product Description:

Item Name	Cushioned Sleeve Bearing Coupling Flexible Coupling NBR Jaw Coupling for Pumps, Motors
Application	motor, pumps, gear boxes, compressors, blowers, mixers, and conveyors
Color	black or as Customer’s Request
Thickness	5mm To 8mm (customized)
Package	According to Your Requirements
MOQ	1000PCS
Processing Method	Compression Molding
Service	OEM and ODM Are Also Welcomed
Material	Customized. Aluminum, Stainless Steel,NR,SBR, NBR, EPDM, MQ, SR etc.
Sample	Available. Trial Sample 7 to 20 days.

 

Product Picture

 

 

 

 
 

These stainless steel shaft couplers allow you to couple 2 size shafts together. They can be used for connecting motor shafts to drive shafts, or 2 different-sized shafts. These shaft couplers have a length of 0.75″, a outer diameter of 0.42″, and couple 1/4″ to 5mm shafts.

Connect this to that with a set-screw coupler. These couplers are made of machined aluminum and have a spiral cut that makes them slightly flexible so they can be fit to 2 shafts even if they are not perfectly co-linear and will help reduce binding effects.  

 

This coupler will connect a 5mm diameter shaft to an 8mm diameter shaft.  A perfect add on for motors . Comes with 2 sets of double set-screws (two per side) for secure attachment. You’ll need a 2mm allen wrench to tighten/loosen the set-screws.

 

About HangZhousun
 

HangZhousun Group
Total Number of Personnel:>350 staffs (as of June.24, 2571)
Total Production scale: >35000 square meters

Head Office: HangZhousun Rubber & Plastic Technology Co.,Ltd
Founded: 2002
Location: HangZhou, ZheJiang
Main Business: Compression Molding Rubber Products & Parts, etc.

Branch Company: HangZhou Mingrui Intelligent Technology Co., Ltd
Established: 2018
Location: HangZhou, ZheJiang
Main Business: Molds, Refined Hardware, Intelligent Automation Equipment, etc.

Branch Company: ZheJiang Yousheng New Material Technology Co.,Ltd
Established: 2018
Location: HangZhou, ZheJiang
Main Business: Extrusion Molding Rubber Products & Parts, etc.

 

R&D and Quality Control

 

 

HangZhousun’s R&D team has more than 120 staff ,and gathers CHINAMFG and creative experts and professors.
Keeping responsibility in mind, R&D team brings multiple capabilities, supports HangZhousun keep leading at rubber&plastics industry.
R&D team forms strict management system on each project in compliance with latest world scientific standard and requirements.

We strictly emphasize on quality and management control.
Our R&D and production management follows TUV & IS014001 Environmental System.
Beyond these, Our finished products meet approval of ISO9001, IATF16949 & UL quality control system.
HangZhousun can make our products meet standards as customer’s demand like CE, ROHS, REACH, CP65, PAHS, FDA, TSCA,etc.
 
(IF YOU WANT MORE DETAIL INFORMATION OF OUR COMPANY AND PRODUCTS, WELCOME TO CONTACT AND CHAT WITH US. SHOULD ANY OF OUR ITEMS BE OF INTEREST TO YOU, PLEASE LET US KNOW WITH THE HOPE THAT WE MAY WORK WITH YOU IN THE FUTURE. )

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How do Sleeve Couplings Contribute to Reducing Vibrations and Noise in Rotating Equipment?

Sleeve couplings play a significant role in reducing vibrations and noise in rotating equipment. Their design and material properties contribute to damping vibrations and absorbing shocks, resulting in smoother and quieter operation. Here’s how sleeve couplings achieve this:

1. Flexibility and Misalignment Compensation:

Sleeve couplings have a certain degree of flexibility, which allows them to accommodate small misalignments between the connected shafts. When the shafts are misaligned, the sleeve coupling can flex and adjust, reducing the transmission of vibrations from one shaft to the other. By compensating for misalignments, sleeve couplings minimize the generation of vibrations and the resulting noise.

2. Shock Absorption:

During sudden starts, stops, or changes in load, rotating equipment can experience shocks and impact loads. Sleeve couplings have some level of shock absorption capability, which helps dampen the effects of these shocks. By absorbing shocks, sleeve couplings prevent the transmission of high-frequency vibrations and noise to the rest of the system, resulting in a quieter operation.

3. Resilient Material Selection:

The choice of materials used in sleeve couplings also contributes to vibration and noise reduction. Certain materials, such as rubber or elastomers, are known for their damping properties. These materials can be incorporated into the design of sleeve couplings to absorb and dissipate vibrations, effectively reducing noise levels in the system.

4. Uniform Torque Transmission:

Sleeve couplings provide uniform torque transmission between the connected shafts. This balanced torque transmission minimizes torsional vibrations, which can lead to noise generation in the system. By maintaining a smooth torque transfer, sleeve couplings help achieve quieter and more stable operation.

5. Proper Installation and Maintenance:

Proper installation and regular maintenance of sleeve couplings are essential for their optimal performance in reducing vibrations and noise. Ensuring that the coupling is correctly aligned and well-lubricated can further enhance its ability to dampen vibrations and minimize noise levels.

In summary, sleeve couplings contribute to reducing vibrations and noise in rotating equipment by providing flexibility to accommodate misalignments, absorbing shocks, using resilient materials, and ensuring uniform torque transmission. Their ability to mitigate vibrations and noise enhances the overall performance and reliability of the rotating equipment, making them a preferred choice in various industrial applications.

Are there Sleeve Couplings Suitable for Applications Requiring Electrical Insulation Between Shafts?

Yes, there are sleeve couplings specifically designed to provide electrical insulation between shafts in certain applications. These couplings are known as electrically insulated sleeve couplings. They are used in scenarios where electrical isolation is crucial to prevent the conduction of electric current between connected shafts.

Electrically insulated sleeve couplings typically feature a non-conductive material, such as ceramic or composite, as the coupling element. This material acts as an insulator, effectively preventing electrical contact between the shafts and eliminating the risk of electrical grounding or short circuits.

Applications that commonly require electrically insulated sleeve couplings include:

• Electric Motors: In electric motor designs, the shaft may extend beyond the motor housing and come in contact with other components. An insulated coupling helps prevent current flow between the motor shaft and other conductive elements, enhancing safety and protecting sensitive components.
• Generators: Similar to electric motors, generators may also benefit from insulated couplings to prevent electrical paths that could lead to undesired currents or disruptions.
• High Voltage Equipment: In high voltage or electrical power transmission systems, insulated couplings are used to avoid potential electrical discharge between shafts.
• Electrical Test Equipment: Test equipment that measures electrical properties may require electrically insulated couplings to ensure accurate readings and avoid interference.

When selecting electrically insulated sleeve couplings, it is crucial to consider the specific electrical requirements of the application. The coupling’s insulation resistance, voltage rating, and temperature capabilities should match the application’s electrical conditions.

Additionally, engineers must consider other factors such as torque requirements, shaft sizes, and misalignment compensation when choosing the appropriate electrically insulated sleeve coupling for their application.

It’s important to consult with coupling manufacturers or industry experts to ensure the selected electrically insulated sleeve coupling meets the desired electrical and mechanical performance requirements.

Key Design Considerations for Using Sleeve Couplings in Motion Control Systems

When incorporating sleeve couplings into motion control systems, several important design considerations should be taken into account to ensure optimal performance and reliability:

• Shaft Alignment: Proper shaft alignment is crucial for sleeve couplings to function effectively. Misalignment can lead to increased wear, vibration, and reduced efficiency. Ensuring the shafts are aligned within acceptable tolerances will maximize the coupling’s performance and lifespan.
• Torque and Speed Ratings: Evaluate the motion control system’s torque and speed requirements to select a sleeve coupling that can handle the specified loads. Overloading the coupling can cause premature failure and compromise system performance.
• Shaft Size and Fit: Ensure the sleeve coupling’s inner diameter matches the shafts’ outer diameter accurately. An improper fit may result in slippage or decreased torque transmission. The sleeve coupling’s size and fit should be carefully checked during installation.
• Environmental Conditions: Consider the operating environment’s temperature, humidity, and exposure to dust or corrosive substances. Choose a sleeve coupling material that can withstand these conditions and resist degradation over time.
• Dynamic Balance: Sleeve couplings should be dynamically balanced to minimize vibration during operation. Unbalanced couplings can lead to increased stress on connected equipment and may cause premature wear and failure.
• Operating Speed: Be mindful of the motion control system’s operating speed. At high speeds, centrifugal forces may come into play, affecting the coupling’s performance. In such cases, using a flanged sleeve coupling or other high-speed coupling types may be more suitable.
• Installation and Maintenance: Follow proper installation procedures to ensure the coupling is securely and accurately mounted on the shafts. Routine maintenance should also be performed to check for signs of wear, misalignment, or other issues that might affect the coupling’s performance.
• Resonance and Damping: Consider the system’s natural frequencies and possible resonance points. Sleeve couplings offer some vibration damping characteristics, but additional measures like tuning and damping elements may be required to avoid resonance issues.
• System Flexibility: Sleeve couplings offer flexibility to accommodate minor misalignments, but the system’s overall flexibility should be assessed to ensure the coupling’s compensation capabilities do not lead to excessive flexing or bending of other components.

By carefully addressing these design considerations, motion control systems can benefit from the advantages of sleeve couplings, such as simplicity, cost-effectiveness, and misalignment compensation. Ensuring proper selection, installation, and maintenance will contribute to smooth and efficient power transmission, leading to reliable and precise motion control performance.

editor by CX 2024-02-17