How Do You Calculate V-Belt Length?


Quick Answer

V-belts are used as mechanical links between two or more rotating pulleys. The length of the V-belt is dependent on the size of the pulleys and the distance between them, and can be calculated with a simple formula.

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How Do You Calculate V-Belt Length?
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Full Answer

  1. Measure pulley center distance

    Measure the distance between the centers of the two pulleys. This is denoted by C in the formula.

  2. Calculate pulley diameters

    Measure the diameters of the small pulley, denoted by D1, and the large pulley, D2.

  3. Use the formula or enter measurements into online calculator

    Using the formula “L= 2C + (D2-D1)/2 + (D2-D1)2/4C,” calculate length of the V-belt, where L denotes the length. The result can also be determined by entering the measurements into an online calculator provided by Baum Hydraulics Corp.

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