Cast Iron HRC Shaft Couplings HRC70 HRC90 HRC110 HRC130 HRC150 HRC180 HRC230 HRC280
The FRC shaft couplings is widely used. Its characteristic is simple construction, safe and reliable in use and easy to install. Maintenance is virtually
elimated and no lubricant is required in the running term. These couplings are made of GG25 high grade cast iron and phosphate for the surface to
ensure strength for safe running under rated conditions.
Our Main Products:
1. Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate;
2. Forging, Casting, Stampling Part;
3. V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack;
4. Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.;
5. Shaft Coupling: including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling,
Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint;
6. Shaft Collars: including Setscrew Type, Single Split and Double Splits;
7. Gear & Rack: Spur gear/rack, bevel gear, helical gear/rack.
8. Other customized Machining Parts according to drawings (OEM) Forging, Casting, Stamping Parts.
|We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements.
ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.
After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.
MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.
Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit.To supply customers excellent quality products with good price and punctual delivery time is our responsibility.
|Standard Or Nonstandard:
|Standard and Custom
|Standard and Custom
|Standard and Custom
|Standard and Custom
How Does an HRC Coupling Protect Connected Equipment from Shock Loads and Vibrations?
HRC (Highly Resilient Coupling) couplings are designed to protect connected equipment from shock loads and vibrations through their unique construction and material properties:
- Flexible Elastomeric Element: The key component of an HRC coupling is the flexible elastomeric element positioned between the two metal hubs. This elastomer acts as a mechanical buffer, capable of absorbing and dissipating shock loads and vibrations that may occur during operation.
- Damping of Vibrations: The elastomeric element’s flexibility allows it to dampen torsional vibrations and dampen the impact of sudden shock loads. This helps in reducing resonance effects and minimizing the transmission of vibrations to the connected equipment.
- High Resilience: HRC couplings are made from elastomers with high resilience, meaning they can deform under load and return to their original shape after the load is removed. This property enables them to absorb and dissipate energy, protecting the system from sudden shocks.
- Misalignment Compensation: In addition to shock and vibration absorption, HRC couplings can also compensate for small amounts of misalignment between shafts. This capability further enhances the protection of connected equipment by reducing the stress caused by misalignment.
When equipment experiences shock loads or vibrations, the elastomeric element flexes and compresses, acting as a shock absorber. This prevents the sudden transmission of high impact forces to the connected machinery, reducing the risk of damage and premature wear.
Moreover, by damping vibrations, HRC couplings improve the overall stability and smoothness of the power transmission system. This contributes to the longevity of connected equipment and reduces the likelihood of mechanical failures or downtime.
Overall, HRC couplings play a vital role in safeguarding connected equipment from shock loads and vibrations, promoting the reliability and performance of mechanical systems in various industrial applications.
How Does an HRC Coupling Handle Angular, Parallel, and Axial Misalignment?
An HRC (Highly Resilient Coupling) is designed to handle various types of misalignment, including angular, parallel, and axial misalignment. The coupling’s unique construction allows it to provide flexibility while transmitting torque between two shafts. Here’s how it handles each type of misalignment:
1. Angular Misalignment: Angular misalignment occurs when the axes of the connected shafts are not perfectly aligned. The HRC coupling can accommodate this misalignment due to its flexible element, typically made of synthetic rubber or polyurethane. The rubber element can bend and flex, allowing the coupling to compensate for slight angular deviations between the shafts. This helps to reduce stress on the connected equipment and the coupling itself.
2. Parallel Misalignment: Parallel misalignment happens when the shafts are not perfectly aligned side by side. The HRC coupling’s rubber element can also tolerate small amounts of parallel misalignment. As the shafts move slightly in parallel, the rubber element flexes to maintain the torque transmission between the shafts. However, excessive parallel misalignment should be avoided to prevent premature wear on the coupling.
3. Axial Misalignment: Axial misalignment occurs when the ends of the shafts move closer together or farther apart. The HRC coupling can accommodate limited axial misalignment, thanks to the elasticity of the rubber element. As the shafts move in the axial direction, the rubber element compresses or expands accordingly, ensuring continuous torque transmission.
It’s essential to note that while HRC couplings are designed to handle misalignment, they have limits. Excessive misalignment can cause premature wear and failure of the coupling. Therefore, it’s crucial to install and align the HRC coupling properly within the recommended tolerances to ensure optimal performance and longevity of the coupling and connected equipment.
Materials Used in Manufacturing HRC Couplings
HRC couplings are typically made from a combination of different materials to provide the necessary properties for efficient power transmission and durability. The common materials used in manufacturing HRC couplings include:
- Cast Iron: Cast iron is a widely used material for HRC couplings due to its excellent strength, durability, and resistance to wear and deformation. It is suitable for various industrial applications and can handle substantial torque and misalignment.
- Steel: Steel is another popular choice for HRC coupling construction. It offers high tensile strength, good fatigue resistance, and the ability to handle high-speed applications. Steel HRC couplings are suitable for demanding environments and heavy-duty machinery.
- Stainless Steel: Stainless steel HRC couplings are ideal for applications where corrosion resistance is essential. They are commonly used in industries such as food processing, pharmaceuticals, and marine environments.
- Aluminum: Aluminum HRC couplings are lightweight and have excellent corrosion resistance. They are suitable for low to medium torque applications where weight reduction is a concern.
- Bronze: Bronze is used in specialized HRC coupling designs, particularly for applications requiring low friction and high wear resistance. It is commonly used in marine and heavy machinery applications.
- Polyurethane: Polyurethane is used for the flexible elements of HRC couplings. It offers good shock absorption and vibration damping properties, contributing to the coupling’s ability to protect connected equipment from shocks and vibrations.
- Other Composite Materials: Some HRC couplings may feature composite materials that combine the benefits of different materials, such as rubber compounds with metal reinforcement, to provide specific performance characteristics.
The material selection for HRC couplings depends on the application requirements, including torque, speed, environmental conditions, and industry standards. Manufacturers often provide a range of material options to suit various applications and ensure reliable and efficient power transmission.
editor by CX 2023-10-07