Universal coupling is type of flexible coupling

Discussion

• Sravanthi   -Posted on 03 Nov 15
  Coupling: It is the mechanical element which connects two shafts of a transmission system. Coupling reduces vibrations and shocks.
  
  Different types of couplings are:
  
  1) Rigid couplings: These couplings are used to connect perfectly aligned shafts. These couplings cannot absorb shocks. Different types of rigid couplings include:
  
  a) Muff or sleeve coupling: These couplings are used for line shafts.
  b) Clamp coupling: These couplings are used for line shafts.
  c) Rigid flange coupling: These couplings are used for connecting electric motor to compressor.
  
  2) Flexible couplings: These couplings are used to connect shafts which have lateral or angular misalignment. These couplings absorb shocks and vibrations. Types of flexible couplings are as follows:
  
  a) Oldham coupling: These couplings are used for connecting eccentric shafts
  b) Universal coupling: These couplings are used to connect gear box and differential
  c) Bushed pin type flexible coupling: These couplings are used for connecting diesel engine and generator.
  

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