PROCESSING EQUIPMENT

摘要

When a rotary guide bush device (30), which is detachably supported on a guide bush support (20) (support) that is provided on the front (F) of the main shaft (11) in the shaft (C) direction and which has a guide bush (31) (guide bush), is detached, the main shaft (11) is moved to the front (F) position in the shaft (C) direction in the region where the rotary guide bush device (30) was when the rotary guide bush device (30) was attached. Because a sealing member (60), which is fixed to the guide bush support (20), contacts the outer circumferential surface (12a) of the main shaft cover (12) over the entire circumference thereof, it is possible to select processing with or without the guide bush and the labor required to switch the processing according to the presence or absence of the guide bush is reduced.