Abstract
Summary A practical measurement system for cutter runout in revolving cutting tools has been developed. The measuring principle is based on the straightness of a laser beam and its diffraction properties at the cutter edge when scanned laterally. By detecting the unscreened beam power and positioning the optical scanning unit, the cutter edge configuration is measured in cylindrical coordinates. In order to avoid the inexpedient effect of surrounding light sources, the beam is modulated by a mechanical chopper and the output signal of the detector is demodulated. The fully automatic controling, non-contact inspection and comparatively high accuracy constitute the characteristic features of the developed measurement system.
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