China Standard Cushioned Sleeve Bearing Coupling Flexible Coupling NBR Jaw Coupling

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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jaw coupling

Using Jaw Couplings in Precision Motion Control Systems

Jaw couplings are versatile mechanical couplings commonly used in various industrial applications for transmitting torque between two shafts. While they offer many benefits such as simplicity, cost-effectiveness, and ease of installation, they may not be the best choice for precision motion control systems that require extremely accurate and repeatable positioning. The following factors should be considered when using jaw couplings in precision motion control systems:

  • Backlash: Jaw couplings typically have some degree of backlash due to the clearance between the jaws and the spacers. This can introduce positional errors and limit the ability to achieve precise movements, especially in systems that require bidirectional positioning.
  • Angular and Parallel Misalignment: While jaw couplings can accommodate some degree of misalignment, precision motion control systems often require tight tolerances and minimal misalignment to achieve accurate positioning. In such cases, more rigid and flexible couplings, such as servo couplings or beam couplings, may be preferred.
  • Torsional Stiffness: In precision motion control, minimizing torsional wind-up and maintaining torsional stiffness is essential for precise and responsive movements. Jaw couplings may not provide the required level of torsional stiffness needed for high-performance motion control applications.
  • Resonance and Vibration: In precision motion systems, avoiding resonance and minimizing vibration is crucial for stability and accuracy. The damping characteristics of jaw couplings may not be sufficient to suppress vibrations and resonant frequencies, which can adversely affect performance.

While jaw couplings are widely used in general industrial applications, precision motion control systems often demand more specialized and precise coupling solutions. Some alternatives that are better suited for precision motion control applications include servo couplings, beam couplings, and disc couplings. These couplings offer higher torsional stiffness, lower backlash, and better overall performance for demanding motion control requirements.

When selecting a coupling for precision motion control, it is essential to consider the specific requirements of the application, including torque, speed, misalignment, and stiffness, to ensure the chosen coupling can meet the precision and performance demands of the system.

jaw coupling

How does a jaw coupling help in power transmission efficiency?

A jaw coupling plays a significant role in enhancing power transmission efficiency in mechanical systems. It achieves this by incorporating several design features that minimize energy losses and maximize the transfer of power from one shaft to another. Here are some ways in which a jaw coupling helps improve power transmission efficiency:

  1. Mechanical Flexibility: Jaw couplings utilize a flexible elastomer spider as the connecting element between the two shafts. This elastomer spider allows for a certain degree of angular and parallel misalignment between the shafts without imposing significant additional loads on the connected equipment. The mechanical flexibility of the elastomer helps reduce the generation of excess heat and vibration, thereby optimizing power transmission efficiency.
  2. Vibration Damping: The elastomer spider in a jaw coupling also acts as a vibration-damping element. It absorbs and dissipates vibrations generated during the operation of rotating machinery. By dampening vibrations, the coupling reduces energy losses due to mechanical oscillations, which can otherwise decrease the overall power transmission efficiency.
  3. Shock Absorption: In addition to damping vibrations, jaw couplings can handle sudden shocks and impacts that may occur during equipment operation. The elastomer spider’s ability to absorb shocks prevents sudden force spikes from propagating through the system and helps maintain steady power transmission, thus improving overall efficiency.
  4. Reduced Friction: The design of jaw couplings minimizes sliding friction between the shafts and the coupling components. This reduced frictional resistance results in lower energy losses and less heat generation during power transmission, contributing to higher efficiency in the system.
  5. Torsional Wind-Up Compensation: When torque is transmitted through the shafts, there can be some degree of torsional wind-up or twist in the coupling. Jaw couplings can compensate for this torsional movement, ensuring that the transmitted power reaches the intended equipment without significant losses due to torsional deformation.
  6. Simple and Robust Design: Jaw couplings have a simple construction, typically consisting of two hubs and an elastomer spider. This straightforward design reduces the number of moving parts and potential points of failure, resulting in a robust and reliable coupling. A reliable coupling minimizes the risk of power losses due to mechanical inefficiencies or breakdowns, thus improving overall power transmission efficiency.

In summary, a jaw coupling enhances power transmission efficiency by providing mechanical flexibility, vibration damping, shock absorption, reduced friction, and torsional wind-up compensation. Its simple and robust design further contributes to reliable power transmission. When selecting a jaw coupling for a specific application, it is essential to consider factors such as torque requirements, operating conditions, and misalignment compensation to ensure optimal efficiency and performance in the system.

jaw coupling

Limitations and Disadvantages of Using Jaw Couplings

While jaw couplings offer several advantages, they also have some limitations and disadvantages that should be considered when selecting them for specific applications:

  • Angular Misalignment: Jaw couplings are sensitive to angular misalignment, and excessive misalignment can lead to increased wear and reduced service life.
  • Radial Misalignment: Similar to angular misalignment, radial misalignment should be kept within acceptable limits to prevent premature wear.
  • Temperature Limitations: The operating temperature range of jaw couplings may be limited by the material used. For high-temperature applications, other coupling types may be more suitable.
  • Shock Load Absorption: While jaw couplings can handle moderate shock loads, they may not be ideal for applications with severe shock loads, which can lead to increased stress and failure.
  • Torsional Stiffness: Jaw couplings have a certain level of torsional stiffness, which means they may not provide the same level of vibration isolation as other coupling types.
  • Backlash: Jaw couplings can have some degree of backlash due to their elastomeric element, which may not be desirable in precision positioning applications.
  • Speed Limitations: High-speed applications may require careful consideration of the jaw coupling’s design and material selection to avoid issues related to centrifugal forces.

Despite these limitations, jaw couplings remain a popular choice in many applications due to their ease of installation, simple design, and cost-effectiveness. Proper selection, installation, and maintenance can help mitigate some of these limitations and ensure optimal performance and reliability of the jaw coupling.

China Standard Cushioned Sleeve Bearing Coupling Flexible Coupling NBR Jaw Coupling  China Standard Cushioned Sleeve Bearing Coupling Flexible Coupling NBR Jaw Coupling
editor by CX 2024-05-03

flexible jaw coupling

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