JIG FOR CLAMPING A SPINDLE OF A PRECISE MACHINE PART, INCLUDING AN ADJUSTMENT BOLT WITH PITCH SMALLER THAN THE THREAD PITCH OF A GRINDER CHUCK

摘要

PURPOSE: A jig for clamping a spindle of a precise machine part is provided to align the center of the spindle and a work piece precisely and quickly without chucking the work piece. CONSTITUTION: A jig for clamping a spindle of a precise machine part comprises a processed outer peripheral surface(11), and a groove(13) in which a work piece(30) is positioned. A plurality of adjustment bolts(40) are coupled to the jig. The adjustment bolts are tightened in order to fix the work piece aligned with the center of the jig.