Understanding the Utility and Versatility of WLY FARR Coupling

The WLY FARR Coupling is a crucial component used when a rigid connection is required between the low-speed shaft of a gearbox and the head shaft of various machinery such as conveyors, bucket elevators, mixers, or any over-hung or suspended load. When sized appropriately, the FARR Coupling is capable of carrying the application torque, weight of the gearbox, motor, and swing plate. In case of a mixer, it bears the weight of the shaft and impeller, thrust forces, and resulting bending moments.

Integral Components of WLY FARR Coupling

The WLY FARR Coupling is composed of male and female piloted hubs made from 4140 alloy steel. The hubs are extended to ensure 80% hub to shaft contact. Safety is assured with the inclusion of keeper plates. The two hubs are assembled using Grade 8 bolts and Grade À Prevailing Torque nuts. Standard coupling sizes offer a nominal torque range from 11,300 to 5,736,000 in-lbs. However, larger sizes can be made available depending on the application.

Key Features of WLY FARR Coupling

The WLY FARR Coupling comes with a plethora of options, including:

  • Heat Treated 4140 alloy steel
  • Male and Female pilots
  • Enhanced Torque Capability
  • Grade 8 Bolts / Grade ?¡ãC?¡À Prevailing Torque Nuts
  • Extended length through bore
  • Keeper Plate design

How to Choose the Right WLY FARR Coupling

Selection of the appropriate WLY FARR Coupling involves the following steps:

  1. Obtain the necessary information including application, horsepower & RPM, gearbox (reducer) ratio, output speed, all shaft sizes, overhang load, and lever arm.
  2. Calculate the application torque.
  3. Determine the Design Torque by applying a 2.0 Service Factor to the application torque.
  4. Select a coupling with a torque capability equal to or greater than the Design Torque as per the Performance Data table.
  5. Ensure that the Bore capability of the coupling meets the application shaft requirements.
  6. Use the Male pilot hub on the Reducer (Gearbox or Driver) shaft and the Female pilot hub on the Head (Driven) shaft.
  7. Perform a Drive System Analysis to verify coupling selection.

Why Choose WLY FARR Coupling?

At WLY, we are committed to delivering top-tier products that meet the unique needs of our customers. Our FARR Coupling is crafted with precision, using high-quality 4140 alloy steel, to provide superior performance and longevity. We offer competitive pricing without compromising on quality, ensuring you get the best value for your investment. Our expert team is always available to assist with any queries or concerns, ensuring a smooth and satisfactory purchasing experience. We invite you to explore our product range and contact us for any purchase inquiries.

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Frequently Asked Questions

1. What is the torque range of WLY FARR Coupling?

The standard WLY FARR Coupling offers a nominal torque range from 11,300 to 5,736,000 in-lbs. However, larger sizes can be made available depending on the application.

2. What materials are used in the production of WLY FARR Coupling?

WLY FARR Coupling is made from heat-treated 4140 alloy steel, ensuring durability and superior performance. The coupling also includes Grade 8 bolts and Grade À Prevailing Torque nuts.

3. How can I ensure that I choose the right WLY FARR Coupling for my needs?

You can follow the FARR Coupling Selection Guide provided, which includes steps to calculate application torque, design torque, and verifying the bore capability of the coupling. For further assistance, our expert team is always ready to help.

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