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Pulley wear criteria

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Ironwill

Ironwill

Mechanical
Joined
Aug 14, 2001
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1
Location
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Is there any written criteria for identifying when a pulley is too worn? All the literature I have found addresses worn belts but never a worn pulley. Other than "if it slips, throw it out" as a criteria, I would like to somehow come up with a tangible measuring method for establishing a re-use criteria for a worn pulley. Thanks, I hope someone can help!

Ironwill
 
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Apart from your stated "if it slips, throw it out", when the inside face of the belt is close to contact with the pulley its time to replace.
 
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Belt manufacturers (such as Gates) can give you a series of inexpensive plastic templates which quickly let you determine whether excessive wear is present. I have seen them for all of the standard sizes and belt profiles.

 
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