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Edition 4;4-03.007
© Copyright 2002
PRUFTECHNIK LTD
All rights reserved


A Practical Guide to
Shaft Alignment
Care has been taken by the authors, PRUFTECHNIK LTD, in the preparation of this publication.
It is not intended as a comprehensive guide to alignment of process machinery, nor is it a sub-
stitute for seeking professional advice or reference to the manufacturers of the machinery. No
liability whatsoever can be accepted by PRUFTECHNIK LTD, PRUFTECHNIK AG or its subsidia-
ries for actions taken based on information contained in this publication. PRUFTECHNIK AG
and/or its subsidiaries assume no responsibility directly or indirectly for any claims from third
parties resulting from use or application of information contained in this handbook.
© 2002 PRUFTECHNIK LTD.
2

         

      








       






     








Introduction
© 2002 PRUFTECHNIK LTD.
3
Shaft Alignment

       
       
     
       
      
    
      
     
     
     
       

    
      
      
    
     
     
       
       
      
     
    
    
   
      
Introduction
© 2002 PRUFTECHNIK LTD.
4


     
     
    
   
    
      
     
    
    
   
   

   
    
     


       
       
Contents




© 2002 PRUFTECHNIK LTD.
5


© 2002 PRUFTECHNIK LTD.
9
What is shaft alignment?
Drive shaft operation above critical speed:
Align machine couplings to one another ignoring spacer.
© 2002 PRUFTECHNIK LTD.

18
How precise should alignment be?


          

























© 2002 PRUFTECHNIK LTD.
19
How precise should alignment be?

© 2002 PRUFTECHNIK LTD.
20
How precise should alignment be?

         
         

         


         

        
         









        


© 2002 PRUFTECHNIK LTD.
23
Causes of machine breakdown



     
    


      



© 2002 PRUFTECHNIK LTD.
24
Causes of machine breakdown




         

  

or other objects.




          









             
   




      
   




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© 2002 PRUFTECHNIK LTD.
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Causes of machine breakdown

        



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

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
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
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