Description du produit
Product Description:
Coupling is used to link the 2 different organizations shaft (driving shaft and driven shaft) to rotate to common transmission torque of mechanical parts.The overloaded power transmission at high speed, some coupling and buffer, vibration and enhance the role of shaft system dynamic performance.Coupling consists of 2 parts, respectively, and the driving shaft and driven shaft connection.
| Brand | SHAC |
| Raw material | Aluminum |
| Inner Diameter | 4-60MM |
| Length | 25-140MM |
| Model number | JM1,JM2,JDM,JM-T,JH,TM1/TM2/TM3/TM4,JB,JG,JT |
| Packing | Plastic bag+inner box.According to customer’s request |
| Sample | Free sample and catalogue available |
| Certification | ISO 9001 , ISO 14001 , ISO 14000 |
| Application | CNC machines, medical and food machinery, fitness machinery, packaging machinery, printing machinery, and other machinery supporting equipment. |
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Our Advantages
Service:
1,Our Team:
We have experienced and qualified team of marketing and sales representatives to serve our valued customers with the finest products and unsurpassed service.And have professional engineers team to assessment and development the new precision products,and make the OEM customized more easily,experienced QC team to test the products quaity ensure the goods quality before delivery out.
2,Our products:
Quality is the life .We use only the best quality material to ensure the precision of our
Product.All products we sold out are strictly selected and tested by our QC department.
3,Payment:
We accept payment via TT (Bank transfer), L/C,Western Union.
4,Shipping method:
Including DHL, UPS, TNT, FEDEX,EMS, Airfreight and by Sea,as customer required.
To get sample or price list of linear gudies,ball screw, please contact us.
What are the Potential Limitations or Drawbacks of Using an Oldham Coupling?
While Oldham couplings offer numerous advantages, they also have some limitations and drawbacks that should be considered when selecting a coupling for a specific application:
1. Limited Misalignment Capacity: Oldham couplings can only accommodate small amounts of angular and axial misalignment between the shafts. They are not suitable for applications with high levels of misalignment as excessive misalignment can lead to premature wear and failure of the center disc.
2. Speed Limitations: Oldham couplings are generally not recommended for high-speed applications. The flexible center disc has a maximum speed limit, and exceeding this limit can cause the disc to fatigue and fail over time.
3. Temperature Sensitivity: The performance of Oldham couplings can be affected by temperature fluctuations. Extreme temperatures can impact the flexibility and integrity of the center disc material, leading to reduced coupling performance.
4. Backlash in High-Precision Systems: While Oldham couplings minimize backlash compared to some other couplings, they may still have some inherent clearance between the hubs and the center disc, leading to a slight amount of backlash. In ultra-high-precision systems, this slight backlash may be a concern.
5. Material Compatibility: The material used for the center disc must be chosen carefully to ensure compatibility with the specific application’s environment and the media being conveyed. Some aggressive chemicals or harsh environments may degrade the material over time.
6. Maintenance: Oldham couplings require periodic inspection and maintenance to ensure proper functioning. The center disc may wear out over time and need replacement, especially in applications with high torque or frequent start-stop cycles.
Despite these limitations, Oldham couplings remain a popular choice in many applications due to their vibration reduction, backlash minimization, and moderate misalignment compensation capabilities. However, it is essential to carefully assess the specific requirements of the application and consider the potential drawbacks before selecting an Oldham coupling.
How to Calculate the Required Size and Specifications for an Oldham Coupling
Calculating the required size and specifications for an Oldham coupling involves considering several key factors. Here’s a step-by-step guide to help you with the calculations:
- Identify the Torque Requirements: Determine the maximum torque that the coupling needs to transmit between the two shafts. This can be done by analyzing the torque demands of the application and considering safety factors.
- Select the Coupling Material: Based on the operating conditions and the type of machinery, choose a suitable material for the Oldham coupling. Common materials include aluminum, stainless steel, and acetal.
- Calculate the Bore Diameter: Measure the diameters of the shafts that the coupling will connect. The bore diameter of the coupling should match the shaft diameters for a proper fit.
- Determine the Coupling Size: The coupling’s size is typically specified by its outside diameter and length. Ensure that the selected coupling size fits within the available space in the mechanical system.
- Consider Misalignment Compensation: Oldham couplings can accommodate angular misalignment. However, it’s essential to check the coupling’s rated misalignment capability to ensure it meets the application’s requirements.
- Check Operating Speed: Verify that the selected coupling can handle the rotational speed (RPM) of the application without exceeding its critical speed.
- Factor in Environmental Conditions: If the coupling will be exposed to harsh environmental conditions or corrosive substances, choose a material that can withstand these conditions.
Once you have gathered all the necessary information and made the calculations, you can select the appropriate Oldham coupling that meets the requirements of your specific application. It’s important to consult with coupling manufacturers or engineering experts to ensure the coupling’s compatibility and reliability in your system.
Qu'est-ce qu'un accouplement Oldham et comment fonctionne-t-il dans les systèmes mécaniques ?
Un accouplement Oldham est un type d'accouplement flexible utilisé dans les systèmes mécaniques pour transmettre le couple entre deux arbres désalignés. Il se compose de trois éléments principaux : deux moyeux ou disques et un bloc central. Les deux moyeux sont fixés aux arbres respectifs, et le bloc central est placé entre eux.
L'élément clé de l'accouplement Oldham est le bloc central, doté de rainures sur ses faces opposées et relié aux moyeux par des goupilles ou des clavettes. Les rainures du bloc central sont perpendiculaires entre elles, ce qui lui permet de se déplacer dans un plan perpendiculaire à l'axe des arbres.
Lorsqu'un couple est appliqué à un arbre, il est transmis au bloc central de l'accouplement. Grâce aux rainures, ce bloc peut coulisser latéralement lors de la rotation des arbres, compensant ainsi les défauts d'alignement angulaires et axiaux entre eux. Ce coulissement contribue à réduire les forces de réaction et l'usure qui se produiraient dans les accouplements rigides en cas de défaut d'alignement.
Les accouplements Oldham sont réputés pour leur capacité à assurer une transmission de vitesse constante, même en cas de défaut d'alignement. L'absence de jeu garantit un mouvement minimal entre les composants de l'accouplement lors de la rotation. Cette caractéristique les rend particulièrement adaptés aux applications de précision exigeant une transmission de couple et un positionnement précis.
L'un des principaux avantages de l'accouplement Oldham est son isolation efficace des arbres connectés, contribuant ainsi à réduire les vibrations et le bruit. De plus, il compense les défauts d'alignement entre les arbres, ce qui le rend idéal pour les applications nécessitant la connexion d'arbres parallèles tout en tolérant un certain degré de désalignement.
Les accouplements Oldham sont couramment utilisés dans diverses machines industrielles et systèmes d'automatisation, notamment les machines à commande numérique, la robotique, les presses d'imprimerie et les systèmes de convoyage. Ils sont particulièrement utiles dans les applications où une transmission précise du couple, la compensation des défauts d'alignement et une maintenance réduite sont essentielles.
editor by CX 2023-09-07