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How to Measure a V Belt Length

V-belts have a cross section resembling a "V." The narrow end of the "V" taper sits inside the groove of a taper wheel. This increases the contact area between the pulley and the belt. During use the belt stretches and will eventually break. Installing a correctly sized replacement belt between the pulleys will ensure the belt sits under proper tension. A simple method for determining the length of a V-belt exists that allows you to avoid using a complex mathematical formula.

Instructions

1

Wipe the inside groove of the pulleys clean with a rag.

2

Pull a length of 1/8-inch diameter twine around the two pulleys to be connected by the V-belt. Pull the twine tight. Ensure the ends of the twine overlap by 4 inches.

3

Draw a line across the overlapped twine with a permanent marker. Make sure the line is visible on both pieces of twine. Remove the twine from the pulleys.

4

Set the marked twine flat on a firm surface. Hold one end of the twine on the end of a tape measure. Pull the twine taught while it sits next to the tape measure. Read the dimension where the second mark on the twine falls on the tape measure to determine the length of the V-belt.

Posted by Unknown at 11:00 AM

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