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How crowned pulleys work

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Published on Mar 12, 2010

http://woodgears.ca/bandsaw/crowned_p...
Showing how flat belts stay centered on crowned pulleys. Before V-belts were invented, flat bets were used to transmit power to all kinds of machinery. Flat belts can run faster, and offer higher efficiency than V-belts commonly used. But they need more tension, and need to be set up more precisely to successfully track.

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