2017-12-22

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Jeremy Fielding

Prevent vbelt slipping, breaking, bearing damage and get the maximum power from using, and designing machines with v-belts.

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Suggestions from Neighbors...

1. Alignment of the pulleys/sheaves can cause problems with vibration and belt damage. This should be checked also.

2. Notched belts are more flexible and are a good addition to a well designed setup.

Technical notes and corrections...

Near the end I talk about small pulleys lowering the HP rating of your belt. There are several factors adding to this that I did not mention. The key forces on the belt are on the "tight"side of the belt entering the small pulley (the main issue I am referring to), the bending of the belt around the small sheave over and over, and the centrifugal forces of moving around the sheaves. These items together help determine the rated hp of the belt. The smallest pulley is the guy creating all of the high stresses on the belt. The only conclusion you should draw is a small pulley might reduce the life of your belt.