The working principle circuit of product length measuring

Published:2011/6/11 21:24:00 Author:qqtang | Keyword: working principle, product length measuring | From:SeekIC

When producing the varnished wire, steel beginning,steel belt and cloth, we can use the method in the figure to measure the length of the products. The measuring ruler and the sawtooth plate are fixed in the same axis, the approaching sensor is on the side of the plate. If the tooth number of the plate is N, then for each round that the plate rotates, the sensor outputs N pulses. At the moment, the measuring ruler which has the same axis with the plate also rotates a round, it means the length of a round of the matter under test is π.D, so the lengths corresponding to each pulse are:



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