Using pulleys smaller than the recommended diameters results in a substantial increase in belt tension and decreases the overall belt life. The ARPM (Association for Rubber Product Manufacturers) lists the minimum recommended pulley diameter for each v-belt profile. The diameter of the pulleys determines the operation of a v-belt drive. The additional friction results in heat buildup on the belt and the pulley, causing premature damage to belts.Īlways test the tension of a v-belt while installing a new one or if any of the symptoms mentioned above occurs. V-belt too loose: A loose v-belt in a pulley system may slip during motion, causing extra friction.The added stress results in excessive current consumption from a motor and, eventually, motor failure. ![]()
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