| 摘要 |
PURPOSE:To hardly damage a metal sheet by reducing a contact pressure against a rotary roller mounting the metal sheet, and to hardly generate a lock of the rotary member caused on an entering of a dust. CONSTITUTION:A center table 7 is provided on an front side of a punch position P of a turret 2. Many numbers of back and before rotationable rollers 19 are provided on an upper surface of the center table 7 which mounts a metal sheet W. A carriage 14 is mounted freely movable back and before in the center table 7, and plural numbers of work holders 15 which clamp the metal sheet W are provided on this carriage 14. |
