| 摘要 |
PURPOSE:To enable highly accurate bending processing, by arranging a position detection apparatus as a part of a movable member and a gauge for measuring the movement amount of a ram and performing the measurement of the thickness of the plate on a curved line in an in-process. CONSTITUTION:A position detector 21 is fixed to an upper mold 5b being a movable part by an insertion possible pin 22 so as to be raised and fallen along with the upper mold 5b and a lever 23 is provided to the lower part of the position detector 21 as a detection element made movable up and down upon the downward energizing by a spring and the signal of the position detector 21 is sent out to a control panel by an electric wire 24. Further, a linear scale 30 is fixed to a rising and falling ram 5 by a metal fitting 31 while a detector 32 is fixed to a fixed part, that is, a frame 2 by a metal fitting 33 and a gauge 34 is constituted of the linear scale 30 and the detector 32 to send out the measuring position of the detector 32 to the control panel by an electric wire 35. |
