Patent ID: 7137180
Filing Date: 2006-11-21
Classification: B23Q,Y10T

Abstract:
1. A turret for machine tool in which at least one rotating tool is mounted on the turret and the at least one rotating tool is rotated for machining a workpiece, said turret comprising: a turret body supported to a base of the machine tool; a swiveling drum on which at least one tool holder for holding said at least one rotating tool is mountable and which swiveling drum is supported to said turret body; a swiveling and indexing drive portion for swiveling said swiveling drum with a swiveling and indexing motor and for indexing a desired rotating tool to an index position; and a rotational driving motor, having a rotating shaft directed to the index position, incorporated in said swiveling drum and supported to said turret body, wherein a holder shaft of the tool holder of said at least one rotating tool and the rotating shaft of said rotational driving motor are coupled directly with each other by axial movement of a rotor of said rotational driving motor in a stator of said rotational driving motor, so that said at least one rotating tool is rotated by said rotational driving motor while said at least one rotating tool is indexed at the index position.