| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To overcome the problem of conventional machine tools wherein a large device, high cost, and much time are required for applying various machining including a rear machining to a workpiece. <P>SOLUTION: This machine tool includes: a main spindle 11 adapted to be rotatable with the workpiece chucked thereby; a tool spindle 21 capable of moving in directions of three axes perpendicular to each other and capable of pivoting about one of the axes, the axis being perpendicular to the main spindle; an automatic tool changer adapted to detachably attach a first tool and a chucking unit to the tool spindle 21, the first tool being used for machining the workpiece chucked by the main spindle 11, the chucking unit being used for chucking the workpiece; and a tool post 40 having a second tool mounted thereon, the second tool being used for machining the workpiece chucked by the chucking unit attached to the tool spindle. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
