Product Description

PIN AND BUSH RWN450 RWN500 coupling

 

Flexible compensating couplings in all applications requiring a reliable transmission of torque under harsh operating conditions. The conical seats of the buffer pins facilitate mounting and guarantee maintenance-free operation. The optimized shape of the barreled buffers allows simple plug-in assembly and low circumferential backlash. Many type variants are offered, e.g., with brake disk, axial play limiting device or brake motor couplings.

 

Your benefits at a glance

  • Compact design; low weights and mass moments of inertia
  • Independent of direction of rotation (suitable for reversing operation)
  • Suitable for plug-in assembly (blind assembly, CHINAMFG housing installation)
  • Suitable for use in potentially explosive environments; certified according to 2014/34/EU (ATEX)

Worldwide in use

  • Mining and Cement: conveyor belts, apron conveyors, bucket elevators, tube mills, rotary kilns, bunker dischargers, vertical mills, bucket excavators, crushers, roller presses, separators, heating technology
  • Steel Production: shears, straightening machines
  • Cranes: hoisting and luffing gear systems, slewing gear systems, trolley and travel gear systems
  • Oil and Gas: pumps, fans, compressors, air condensers
  • Power Generation: pumps, fans, compressors, air condensers, generators, cooling towers, water turbines
  • Chemicals and Pharmaceuticals: pumps, fans, compressors, driers, lauter tuns, mixers, cooling towers, agitators, reactors
  • Plastics and Rubber: single- and double-screw extruders
  • Pulp and Paper: woodgrinders, waste paper, wet section, dry section, smoothers and cylinders, reel winders, coating machines, calenders, wastewater purification plants
  • Water and Wastewater: aerators, water screw pumps
  • Food and Beverage: lauter tuns, reactors, agitators, mixers
  • Sugar: generators, extraction plants, countercurrent cossette mixers, diffusers, sugar cane mills
  • Passenger Transport: cable cars
  • Packing & shipping:
    1 Prevent from damage.
    2. As customers’ requirements, in perfect condition.
    3. Delivery : As per contract delivery on time
    4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.

FAQ:
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 1 Year
Warranty: 1 Year
Connection: Press Connection
Structure: Disc
Flexible or Rigid: Flexible
Material: Iron
Customization:
Available

|

Customized Request

China Best Sales Pin and Bush Rwn450 Rwn500 Coupling Elastic Sleeve Pin Coupling Flexible Shaft Coupling Custom Coupling

pin coupling

Can Pin Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?

Yes, pin couplings can be used in both horizontal and vertical shaft arrangements. These couplings are designed to accommodate angular misalignment, parallel misalignment, and axial movement, making them versatile for various shaft orientations.

In horizontal shaft arrangements, where the shafts are aligned on the same horizontal plane, pin couplings can efficiently transmit torque while allowing for flexibility to accommodate minor misalignments and shaft movements. The pins and flexible elements in the coupling enable angular displacement and radial flexibility, ensuring smooth power transmission even if the shafts are not perfectly aligned.

In vertical shaft arrangements, where the shafts are aligned on a vertical plane, pin couplings can also be used effectively. The coupling design allows for axial movement, which is crucial in vertical applications where the shafts may experience expansion or contraction due to thermal changes or other factors. The flexible nature of pin couplings allows them to handle these axial movements without compromising the coupling’s performance.

Whether in horizontal or vertical arrangements, pin couplings are commonly used in various industrial applications, including pumps, compressors, conveyors, and other rotating machinery. They are known for their simplicity, ease of installation, and ability to provide reliable power transmission while accommodating misalignment and shaft movement.

When using pin couplings in either arrangement, it is essential to ensure proper alignment and regular maintenance to maximize their performance and service life. Additionally, considering factors like torque requirements, operating conditions, and environmental considerations will help in selecting the appropriate pin coupling for a specific application.

pin coupling

Usage of Pin Couplings in Applications with Varying Operating Temperatures

Pin couplings are versatile and can be used in a wide range of operating conditions, including applications with varying temperatures. The performance of pin couplings at different temperature levels depends on the materials used in their construction and the specific design features. Here’s how pin couplings handle varying operating temperatures:

1. Material Selection: Pin couplings can be manufactured using different materials, including steel, stainless steel, alloy steel, and various heat-treated materials. The choice of material depends on the application requirements and the temperature range the coupling will be subjected to. Some materials are suitable for high-temperature applications, while others are more suitable for low-temperature conditions.

2. Heat Dissipation: The simple and open design of pin couplings allows for efficient heat dissipation. As the coupling operates, any heat generated due to friction or other factors can easily dissipate into the surrounding environment. This helps in maintaining a stable operating temperature and prevents overheating of the coupling and connected equipment.

3. Lubrication: Proper lubrication is essential for the smooth operation of pin couplings, especially in applications with high temperatures. Lubricants help reduce friction and wear between the mating surfaces, ensuring that the coupling functions optimally even in elevated temperature conditions.

4. Thermal Expansion Considerations: Pin couplings must be designed with thermal expansion in mind. When the operating temperature increases, the materials may expand, and the coupling should have sufficient clearance or play to accommodate this expansion without causing binding or interference.

5. Temperature Limits: While pin couplings can handle a wide range of temperatures, there are limits to the extremes they can tolerate. Excessive heat can lead to degradation of the coupling material, premature wear, or reduced performance. It’s essential to choose a pin coupling that is rated for the specific temperature range of the application.

6. Insulation: In certain cases, pin couplings may need additional insulation to protect against extreme temperature variations or to prevent heat transfer to sensitive components nearby. Insulation can be achieved using materials with low thermal conductivity or by incorporating insulating coatings or barriers.

When selecting a pin coupling for an application with varying operating temperatures, it’s crucial to consider the specific temperature range, the type of materials used in the coupling’s construction, and any additional factors that may impact its performance. Following the manufacturer’s guidelines and ensuring proper maintenance will help ensure the pin coupling operates effectively and reliably across the expected temperature range.

pin coupling

Understanding Pin Couplings and Their Functionality

A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.

How a Pin Coupling Works:

A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.

When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.

After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.

Advantages of Pin Couplings:

Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.

China Best Sales Pin and Bush Rwn450 Rwn500 Coupling Elastic Sleeve Pin Coupling Flexible Shaft Coupling Custom Coupling  China Best Sales Pin and Bush Rwn450 Rwn500 Coupling Elastic Sleeve Pin Coupling Flexible Shaft Coupling Custom Coupling
editor by CX 2024-05-03