Re: Equipment Drive Belt

Posted by Andy Martin on July 05, 2006 at 07:13:30 from (64.219.39.195):

In Reply to: Equipment Drive Belt posted by Don Mountain on July 05, 2006 at 05:53:06:

Baler belts are the way to go. Look around for an old Vermeer baler with the 4-inch belts. Old used ones will work fine. You will probably find someone who will give you the belts or who has old belting lying around that they will give away.

You want a long belt, even 40 ft is not too long. You use the weight of the belt for tension. It is almost impossible to line up belt driven equipment with short belts, and then get the belt tensioned. With a 40 ft belt the pulleys are only 20 ft apart. Of course 30 ft will work fine, but you really want the belt to droop a little due to it's weight. The longer the belt the more the tractor or hammermill can move and you still will not lose tension. With a 10 ft belt, 5 ft between pulleys, 1/8 inch in pulley separation will affect tension. With a long belt, 1 inch will not affect tension much.

The pulleys are crowned and the belt wants to go to the high point so they will try to run into the center of the pulley. With a long belt, the pulleys just have to be aligned pretty good where with a short belt they have to be almost exact.

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