JIG, METHOD AND DATA GENERATING APPARATUS FOR CALIBRATING EYEGLASS FRAME SHAPE MEASURING APPARATUS, EYEGLASS FRAME SHAPE MEASURING APPARATUS AND EYEFRAME SHAPE MEASURING/CALIBRATING SYSTEM

摘要

A jig for calibrating an eyeglass frame shape measuring apparatus by which measurement error can be calibrated three-dimensionally. In the calibration jig (30) used for calibrating the measurement error of the eyeglass frame shape measuring apparatus for measuring the shape of the eyeglass frame or the like, a trace groove traced by the stylus of the measuring apparatus is a frame groove (20) formed in the inner circumference of the rims (2A, 2B) of the eyeglass and fitting the edge of lens of the eyeglass. The rims are secured to a frame body (31) having rigidity higher than that of the rims, and the frame groove has a displacement r in the radial direction, a displacement ? in the rotational direction, and a displacement z in the height direction.