Friday, February 14, 2014

Automotive V belt "Squeal" noise testing machine

Designed and built for a V belt manufacturer. Used for comparing squeal noise levels between the client's V belts and their competitor's ones.. Squeal noise is caused by misalignment in the pulleys. A simple threaded rod was used to create various degrees of misalignments between the pulleys. Decibel levels were measured by using noise level sensors (if that's what they are called).

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