Product Description
XL Star Type Couplings Elaments Gjl-38 Plum Servo Motor Chain Shaft Coupling Plum Jaw Type Spider Shaft Coupling With Pu Rubber
These are elastomer in compression type couplings. A single piece elastomer (Spider type, Snap-wrap type coupling) is used for low to medium power applications, while individual elastomeric elements are used for high power application (T cushion type coupling). Jaw coupling is a failsafe design, designed for positive torque transmission. The couplings means low mass moment of inertia. The elastomeric component provides torsional flexibility and damping to the system reduces the effect of vibrations and operational shocks. This coupling is capable of compensating for angular, parallel and axial misalignments. The raised dimples on the elastomeric element improve the couplings capability under axial thrusts produced by applications.
Features
1. Hubs made of cast iron GG25.
2. Torsionally flexible, maintenance free, vibration-damping.
3. Axial plug-in, fail-safe.
4. Varying elastomer hardness of spiders.
5. Compact design with small flywheel effect.
6 Easy assembly / dis-assembly of the coupling hubs Short mounting length.
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Material Available |
Stainless Steel:SS201,SS301, SS303, SS304, SS316, SS416 etc. |
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CNC Turning |
φ0.5 – φ300 * 750 mm,+/-0.005 mm |
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CNC Milling |
510 * 1571 * 500 mm(max),+/-0.001 mm-+/-0.005 mm |
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Surface Finish |
Aluminum:Clear Anodized,Color Anodized,Sandblast Anodized,Chemical Film,Brushing,Polishing,Chroming. |
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Drawing Format |
IGS,STP,X_T ,DXF,DWG , Pro/E, PDF |
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Test Equipment |
Measurement instrument, Projector, CMM, Altimeter, Micrometer, Thread Gages, Calipers, Pin Gauge etc. |
Company Information:
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Are there any industry standards or guidelines for designing and using spider couplings?
Yes, there are industry standards and guidelines that provide recommendations for designing, selecting, and using spider couplings in various mechanical systems. These standards help ensure the safe and reliable operation of spider couplings in industrial applications. Some of the relevant standards include:
- AGMA 9002-B15: This American Gear Manufacturers Association (AGMA) standard provides guidelines for the selection and application of flexible couplings, including spider couplings. It covers topics such as coupling types, misalignment, torque capacity, and lubrication.
- ISO 14691: This International Organization for Standardization (ISO) standard specifies methods for testing the torsional stiffness of flexible couplings, including spider couplings. It outlines procedures for determining the dynamic torsional stiffness and related parameters.
- API 671: This American Petroleum Institute (API) standard provides guidelines for special-purpose couplings used in petroleum, chemical, and gas industry services. It covers design, manufacturing, inspection, and testing requirements for couplings, including those with elastomeric elements.
While these standards offer valuable insights, it’s important to note that specific industry requirements and applications may influence the design and selection of spider couplings. Manufacturers, engineers, and designers should also consider factors such as torque, misalignment compensation, environment, and system dynamics when applying these standards to their designs. Adhering to industry standards ensures that spider couplings are properly designed, installed, and used to meet the intended performance and safety criteria.
Can you explain the concept of torsional stiffness in relation to spider couplings?
Torsional stiffness is a crucial concept in the design and functionality of spider couplings. It refers to the ability of a coupling to resist rotational deformation (twisting) when subjected to a torque load. In other words, torsional stiffness measures how much a coupling can maintain its shape and transmit torque without excessive twisting or deformation.
In the context of spider couplings:
- High Torsional Stiffness: A coupling with high torsional stiffness exhibits minimal angular deflection or twisting when torque is applied. This ensures accurate torque transmission and precise alignment between connected shafts. High torsional stiffness is especially important in applications that require accurate positioning and synchronization.
- Low Torsional Stiffness: A coupling with low torsional stiffness allows for some degree of angular misalignment between shafts and can accommodate slight variations in torque load. This flexibility can be advantageous in applications where misalignment or shock absorption is necessary.
When selecting a spider coupling for a specific application, the torsional stiffness of the coupling needs to be considered based on the requirements of the machinery system. The choice between high and low torsional stiffness depends on factors such as the level of precision needed, the type of load, the degree of misalignment, and the overall performance objectives.
It’s important to note that while torsional stiffness is a key consideration, other factors like the material of the elastomeric spider, size of the coupling, and the type of spider profile also play a role in the coupling’s overall performance and behavior.
What are the advantages of using a spider coupling in industrial applications?
Spider couplings offer several advantages that make them a popular choice for various industrial applications. Here are the key advantages:
- Misalignment Compensation: Spider couplings can accommodate angular, axial, and parallel misalignments between connected shafts. This ability to compensate for misalignment reduces stress on components and extends equipment lifespan.
- Flexibility: The elastomeric spider provides flexibility that allows for slight movements between the shafts. This flexibility helps prevent excessive wear, reduces vibration transmission, and minimizes the risk of component failure.
- Vibration Dampening: The elastomeric material of the spider acts as a shock absorber, dampening vibrations generated by rotating machinery. This can lead to improved equipment performance, reduced noise, and enhanced operator comfort.
- Easy Installation: Spider couplings have a simple design with minimal components, making them easy to install and replace. Their design eliminates the need for precise alignment during installation, saving time and effort.
- Torque Transmission: Spider couplings efficiently transmit torque from one shaft to another, ensuring that power is effectively transferred between connected components.
- Minimal Maintenance: Spider couplings require minimal maintenance due to their self-lubricating and wear-resistant elastomeric material. This reduces downtime and maintenance costs for industrial machinery.
- Compact Design: Spider couplings have a compact and lightweight design, making them suitable for applications where space is limited. Their small size allows for easy integration into various systems.
- Cost-Effective: Spider couplings are relatively inexpensive compared to other coupling types, making them a cost-effective solution for a wide range of industrial applications.
- Electric Insulation: In applications where electrical isolation is important, spider couplings made from electrically insulating materials can prevent the transmission of electrical currents between shafts.
- Wide Range of Sizes: Spider couplings are available in various sizes and configurations to accommodate different shaft diameters and torque requirements.
Due to these advantages, spider couplings are commonly used in industries such as manufacturing, automation, packaging, material handling, and more, where flexibility, misalignment compensation, and efficient torque transmission are essential for optimal equipment performance.
editor by CX 2024-05-06