JIG FOR INSERTING AND DETACHING GRINDING WHEEL, AND CASE FOR GRINDING WHEEL

摘要

PURPOSE: A detachably attaching jig for a grinding wheel and a grinding wheel case are provided to prevent the damage of grinding stone and a chuck table by covering the lower side of the grinding wheel contained in the jig when the grinding wheel is mounted at a wheel mount. CONSTITUTION: A circular sidewall(81) surrounds the outer circumference of a grinding wheel. A bottom wall(82) is installed at the lower side of the circular sidewall. The bottom wall includes a wheel base supporting part(821) and a grinding stone containing part(822). A plurality of grinding stones is contained in the grinding stone containing part. A restricting part restricts the rotation of a wheel base.