Frequently Asked Questions Regarding Shaft Collars and Rigid Couplings.

The Basics

  What is the function of a shaft collar?

  What is the history of the shaft collar?

  What are the different types of shaft collars?

      Set-Screw Collar

      One-Piece Clamping Collars

      Two-Piece Clamping Collar


The Technical Details

  What materials are used in making collars?

      Steel

      Stainless Steel

      Aluminum

  What finishes are used?

      Black Oxide

      Zinc Plating

      Other Finishes

  Is there an industry standard for collar dimensions?

  What is the purpose of the relief cut on one-piece collars?

  What is the purpose of the face groove?


Applications of Collars: Do's and Don'ts

  How should collars be installed?

  When should a collar not be used?

  Can a collar be welded?

  What if the set screw is harder than the shaft?

  What determines how strongly a collar grips a shaft?

  What is stick-slip?

  What are suitable applications for a collar?


Rigid Couplings

  What do rigid couplings do?

  What are the different types of rigid couplings?

      Set-Screw Coupling

      Clamping Couplings

  How should rigid couplings be installed?

  Can rigid couplings be used on misaligned shafts?


Business Questions

  Do you make specials?

  What is your quality guarantee?

  What is your delivery guarantee?

  What is your service guarantee?

  What kind of fasteners do you use?

  What is your warranty?

  Can you provide engineering assistance?