Product Description
HRC Wholesale High Flexible Spider Jaw Coupling Pump Marine Shaft Coupling Price
Basic information:
| Material | Genuine material |
| Feature | 1) One-stop Shopping Experience 2) Different Quality Levels for Customers to Choose 3) Full Excavator Parts Product Lines |
| Classification | HRC Wholesale High Flexible Spider Jaw Coupling Pump Marine Shaft Coupling Price |
| OEM service | Yes |
| Payment | T/T, Western Union, etc. |
| Port | HangZhou |
| Quotation | Based on OEM parts or genuine parts, packing, quantity and other requirements |
| MOQ | For many products, we don’t have MOQ limited. |
| Application | HRC Wholesale High Flexible Spider Jaw Coupling Pump Marine Shaft Coupling Price |
About us:
specialized in:
couplings, rubber mounts, gear parts, hydraulic seals, and seal kits for hydraulic hammers, rock breakers, hydraulic excavators, wheel loaders, and JCB backhoe loaders.
And, Our company also supplies:
Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumulator, valve, etc.
We always try our best for all our customers and make it better and better. Welcome!
Products Show:
FAQ:
– What is your core activity (do you deal with engine replacement parts, fuel system, undercarriage, etc)?
We mainly do the couplings, seal kits, hydraulic parts, solenoids, electric parts, gear parts, bearings, and other excavator spare parts.
– Which kind of machinery do you work with (bulldozers, front loaders, graders, excavators, etc)?
We mainly do the spare parts for excavators. But sometimes to meet customers’ requirements, we will do the sourcing for the customers for their needs for loader parts, air compressor parts, and so on.
– Do you have the stock?
Most of our products are in stock.
– Can you send us the price lists (so that we do not always bother you when we need the price info)?
Sorry that we don’t have a price list. You’re welcome to contact us if you need anything.
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Differences Between Elastomeric Couplings Made from Different Materials
Elastomeric couplings can be manufactured using various materials, each offering unique properties that influence the coupling’s performance in different applications. Here are the key differences between couplings made from rubber, polyurethane, and silicone:
1. Rubber Elastomers:
Rubber elastomers are commonly used in elastomeric couplings due to their excellent resilience, flexibility, and damping properties. They can handle a wide range of temperatures and are resistant to abrasion and wear. Rubber couplings are ideal for general-purpose applications where moderate torque and misalignment compensation are required.
2. Polyurethane Elastomers:
Polyurethane elastomers provide higher strength and load-bearing capabilities compared to rubber. They have better resistance to oils, chemicals, and harsh environments. Polyurethane couplings are suitable for applications involving higher torque, shock loads, and exposure to aggressive substances.
3. Silicone Elastomers:
Silicone elastomers offer superior thermal stability and can withstand extreme temperature variations. They exhibit excellent electrical insulation properties and are resistant to aging and weathering. Silicone couplings are often used in applications that require high-temperature resistance and electrical isolation.
4. Damping and Resilience:
Rubber generally provides better damping properties, making it effective in reducing vibrations and noise. Polyurethane offers higher resilience, which can be advantageous in applications with frequent torque spikes and shock loads. Silicone combines good damping with high-temperature resistance.
5. Environmental Compatibility:
Polyurethane and silicone couplings tend to have better resistance to chemicals, oils, and extreme temperatures, making them suitable for demanding environments. Rubber couplings may have limitations in certain aggressive chemical environments.
6. Cost and Performance Balance:
The choice of material also affects the cost of the coupling. Rubber is generally more cost-effective, while polyurethane and silicone may be more expensive but offer specific performance advantages in certain applications.
When selecting an elastomeric coupling, it is crucial to consider the specific requirements of the application, such as torque, speed, misalignment, temperature range, and chemical exposure. The material choice should align with the demands of the operating conditions to ensure optimal coupling performance and longevity.
Standard Specifications and Industry Norms for Elastomeric Couplings
Yes, there are standard specifications and industry norms that govern the design, manufacturing, and performance of elastomeric couplings. These standards ensure that elastomeric couplings meet specific criteria for quality, reliability, and safety. Some of the widely recognized standards and norms for elastomeric couplings include:
1. American National Standards Institute (ANSI):
ANSI provides standards and guidelines for elastomeric couplings used in various industrial applications. ANSI standards cover design considerations, dimensions, materials, torque ratings, and performance testing for elastomeric couplings.
2. International Organization for Standardization (ISO):
ISO develops international standards for elastomeric couplings, ensuring consistency and interoperability across different regions and industries. ISO standards cover coupling performance, dimensions, and testing methods.
3. American Society of Mechanical Engineers (ASME):
ASME standards include guidelines for elastomeric couplings, providing information on design, installation, maintenance, and inspection practices to ensure safe and reliable operation.
4. American Gear Manufacturers Association (AGMA):
AGMA publishes standards related to elastomeric couplings used in power transmission systems. These standards cover coupling design, selection, application, and maintenance guidelines.
5. European Committee for Standardization (CEN):
CEN develops European standards for elastomeric couplings to promote uniformity and compliance across European countries.
Manufacturers often use these standards as a reference when designing and testing elastomeric couplings. Compliance with these standards helps ensure that the couplings meet minimum quality and performance requirements. Additionally, many industries have specific regulations and norms related to safety, which elastomeric couplings must adhere to when used in their applications.
When selecting an elastomeric coupling, it is essential to verify if it complies with the relevant standards and industry norms to guarantee its suitability and safety for your specific application. Manufacturers typically provide documentation stating the compliance of their couplings with the applicable standards.
What is Elastomeric Coupling and How Does It Work in Mechanical Systems?
An elastomeric coupling is a type of flexible shaft coupling that uses an elastomeric material, typically rubber or polyurethane, to connect two shafts and transmit torque between them. The primary purpose of elastomeric couplings is to compensate for misalignments between the shafts while dampening vibrations and shocks in mechanical systems.
Construction and Working Principle:
Most elastomeric couplings consist of two hubs with a flexible element in between. The flexible element is made of high-quality elastomeric material, which is molded or bonded to the hubs. The elastomeric material is designed to be both torsionally flexible and durable.
When torque is applied to one shaft, the flexible element deforms and absorbs the misalignment between the shafts, allowing the coupling to compensate for angular, parallel, and axial misalignments. This flexibility is crucial for preventing undue stress on the connected equipment and increasing the coupling’s lifespan.
Key Features and Advantages:
1. Misalignment Compensation: Elastomeric couplings can handle small degrees of misalignment, making them suitable for applications where precise alignment is challenging or subject to change over time.
2. Vibration Dampening: The elastomeric material absorbs vibrations and shocks, resulting in reduced noise and improved smoothness of operation.
3. Fail-Safe Design: Elastomeric couplings have a fail-safe design, where if the elastomeric element were to fail, the coupling could still transmit torque without completely breaking down.
4. Simple and Economical: Elastomeric couplings are relatively simple in design, easy to install, and cost-effective compared to some other coupling types.
5. Maintenance-Free: In general, elastomeric couplings require minimal maintenance, making them a popular choice in various industries.
Applications:
Elastomeric couplings find applications in a wide range of industries and mechanical systems, including:
- Pumps and compressors
- Conveyor systems
- Machine tools
- Material handling equipment
- Blowers and fans
- General power transmission systems
Overall, elastomeric couplings are valued for their flexibility, shock absorption, and misalignment compensation capabilities, making them a reliable choice for transmitting torque while protecting connected equipment from harmful effects of misalignments and vibrations.
editor by CX 2024-05-13