| 摘要 |
PURPOSE:To control actuation of the functions of positining, grasping and centering through simple operation by providing a chuck with the functions of positioning, gasping and centering. CONSTITUTION:A mechanism B used for both oil pressure supply and rod movement and a chuck mechanism C are provided on one side and the other side of a gear case A respectively. A chuck mechanism C is provided with an eccentric movement part C1 and a chuck C2, while a spindle 1 is rotatably supported on the gear case A. When supply of pressured oil to the first and the second cylinder chambers is placed under control, positining, grasping and centering of a work may be performed through only a simple operatrion and the functions of positioning, grasping and centering are actuated simply. |
