| 摘要 |
PURPOSE:To change rolls in a short time by constituting the machine so that the upper part of a frame and the frame are united as one body during forming work and the upper part of the frame is moved and opened at the time of changing rolls and the upper frame and the frame are unified after incorporating the roll. CONSTITUTION:A frame 8 in which upper and lower rolls 10, 12, a side roll 11 etc. are installed at the inside, an upper frame 9 that is clamped in the upper part of the frame and unified with the frame 8, a clamp rod 20 that clamps the upper frame 9 to the frame 8, or undoes clamp and raises the upper frame on the frame 8, a clamp rod wheel 21, a clamp cylinder 19 that moves unclamped frame 8 to the outside of the frame 8 and a rail 22 that supports the upper frame horizontally when moving the upper frame 9 are provided. |
