Patent ID: 6249599
Filing Date: 2001-06-19
Classification: B23Q,G05B

Abstract:
A tool abnormality detecting system for a machine tool that performs cutting of a work employing a tool provided with a plurality of throw away tips, said tool abnormality detecting system comprising:image pick-up means for picking up an image of at least one of the tips of said tool and at least one of reference markers preliminarily provided in a vicinity of each of the tips of said tool;means for selecting a corresponding tip pattern among a plurality of preliminarily registered tip registration patterns, each having a pattern reference marker therein, by performing pattern matching processing between the preliminarily registered tip registration patterns and the image of said tip and the reference marker picked up by said image pick-up means;means for setting an inspecting region in said image of said tip in accordance with a position of the pattern reference marker within the selected tip pattern and the reference marker picked-up by said image pick-up means; andabnormality detecting means for detecting an abnormality by image processing the inspecting region and making a judgment with respect to a degree of at least one of wearing and chipping.