METHOD FOR POSITIONING TOOLS

摘要

Tools to be positioned all at once are moved from a stand-by reach toward a positioning reach by means of a rotatable shaft, and respectively positioned at their desired positions in the positioning reach after passing an origin located at a border line between the stand-by and positioning reaches. Central computer controls count pulse signals transmitted from a pulse generator synchronously rotated by the rotatable shaft, and compensate set values for the desired positions for the distance over which each tool has been moved in the stand-by reach.