| 摘要 |
A forming machine to form a sheet of metal to an "S" bend having clamps to clamp the sheet metal, one of the clamps having an anvil about which the sheet metal is folded by a rotatable forming bar to form a first channel and partially form a second channel in the sheet metal after which the rotatable bar is moved clear and a nose on a further former further folds the second channel facing in the opposite direction to the first channel. |
