Tuesday, June 9, 2015

Polyflex Belt Tolerances

There currently is not a published industry standard for 60° Light Duty (Polyflex) V-belts. We still have manufacturing tolerances for Polyflex belts, but just like with other V-belts, the length is the only dimension that can be accurately measured. Detailed specification sheets (available from Gates Engineering) show the proper way to measure the belt length and also shows the tolerance. The belt is measured using pulleys so the width, thickness, and angle affect how the belt will seat inside the pulley groove, and thus affect the measured length.

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