| 摘要 |
PCT No. PCT/EP90/01445 Sec. 371 Date Apr. 7, 1992 Sec. 102(e) Date Apr. 7, 1992 PCT Filed Aug. 30, 1990 PCT Pub. No. WO91/06382 PCT Pub. Date May 16, 1991.A folding machine in which a metal sheet is clamped between an upper and lower clamp, and the section of sheet extending out beyond the clamps is bent through a given angle by a bending cheek. During the rotating motion of the bending cheek, the bending cheek moves into an initial position perpendicular to the axis of rotation. This steers the bending cheek along a given bending contour.
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