arc of contact

Definition of arc of contact

: the portion of a circular surface that is in contact with another surface (as that between a belt and a pulley) specifically : the arc on a toothed gear between the point where the teeth first make contact with another gear wheel and the point where that contact ends

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Cite this Entry

“Arc of contact.” Dictionary, Merriam-Webster, Accessed 24 Nov. 2020.

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