MEASURING METHOD FOR GEOMETRIC ACCURACY OF MOTION AND ACCURACY OF LOCUS

摘要

PROBLEM TO BE SOLVED: To provide a low-cost and simple method in which the geometric accuracy of a motion and the accuracy of a locus in an actual operation shape can be measured which was incapable of being evaluated in the measurement of the geometric accuracy of the motion by a conventional DBB method, as well as the geometric accuracy of a motion and the accuracy of a locus corresponding to an arbitrary motion inside a three-dimensional space.;SOLUTION: In the measuring method for the geometric accuracy of the motion and the accuracy of the locus, a recorder which can record the locus of an operator is attached instead of a tool as an operator for a machine, the recording position of the recorder is adjusted so as to become the symmetry plane of the operator, the machine is operated in the same manner as an actual operation, and the locus is recorded with reference to the symmetry plane by the recorder. When the locus is recorded, a pattern at each definite cycle is generated, and speed information can be measured in addition to position information. A measured result can be quantitatively evaluated by an image processing operation.;COPYRIGHT: (C)2003,JPO