Patent ID: 6234731
Filing Date: 2001-05-22
Classification: B23B,B23Q,Y10T

Abstract:
An angle spindle attachment for a spindle unit of a machine tool that carries out machining in a direction different from a axial direction in which a drive shaft of the spindle unit extends, said attachment comprising:a spindle shaft for mounting a tool detachably;a housing for mounting the spindle shaft rotatably such that the spindle shaft is oriented to a different direction with respect to the drive shaft of the spindle unit;a gear train for transmitting the drive power of the spindle unit to the spindle shaft of the angle spindle attachment;a collet means for retaining and releasing the tool that is movable between a position for retaining the tool and a position for releasing the tool so as to interlock the rotation of the spindle shaft; anda switching means for switching the collet means between a operative condition to permit the tool to be retained or released and an inoperative condition for mounting the tool undetachably.