| 摘要 |
PROBLEM TO BE SOLVED: To reduce axial structure length in the perfectly fastening system in a rotation machine having a plurality of structure groups comprising a chuck 2 unrotatably disposed on a machine spindle 3 in the rotation machine, a clamp cylinder 4 for moving a clamp jaw of the chuck 2, a multiple medium supply body 6, and process control system 10 for monitoring an axial position of a piston 5 related to the clamp cylinder 4 and a position of the clamp jaw of the chuck 2. SOLUTION: The machine spindle 3 is formed as a hollow spindle 14, and the hollow spindle 14 has a radium allowing one or more of the structure groups to be stored in it. |
