CHUCK FOR PREVENTING INFLOW OF FOREIGN MATERIALS WITH A COMBINED PLANE WHEN REPLACING THE CHUCK BY PREVENTING THE CONTACT OF COMBINING KEYS OF A SPINDLE AND THE FOREIGN MATERIALS

摘要

PURPOSE: A chuck for preventing inflow of foreign materials is provided to a shaking of the exchanged chuck even though the chuck is replaced.;CONSTITUTION: A chuck(100) for preventing inflow of foreign materials comprises a wing part(130). The wing part is protruded from the outer circumference(110) so that the upper part of the wing part is in contact with a placing surface(223). The wing part comprises a key combining groove(131) and an arm combining groove(133). The combining key(230) is inserted into the key combining groove. The arm combining groove is formed in a lateral side of the lower part of the wing part and an arm projection of an ATC(Automatic Tool Changer) is inserted into the arm combining groove. The outer circumference of the chuck is formed into a shape corresponding to the inner circumference of a chuck insertion groove(210), thereby being in contact with the inner circumference of the chuck insertion groove.;COPYRIGHT KIPO 2013