GRIPPING METHOD OF ANNULAR OBJECT AND ITS DEVICE

摘要

PURPOSE:To grip a thin annular object with a rectangular cross section and a comparatively large diameter by keeping both sides strictly parallel and horizontal to each other. CONSTITUTION:An annular object W is moved near the side of a coupling section 4 and is positioned at one time by advancing a plurality of positioning members 11 in the axial direction simultaneously. When the axial positioning of the annular object W is completed, gripping claws 6 in gripping claw storage holes sink in the holes to release the grip around inner circumference of the annular object W. The annular object W which has been released from the grip by the gripping claws 6 is removed from the coupling section 4, and all workings are completed. A series of work instructions are performed by tape commands issued from a numerically controlled unit.