| 摘要 |
The bending machine has a blank holder (4) with a support (16, 17, 18) hinged on a fixed base. The blank holder is operated by a plurality of hydraulic cylinders (20) which act from the bottom up, reacting on the fixed base (1). The machine has opposite blades (2 and 3) operated by horizontal (10) and vertical (15) cylinders, whose ends are hinged on the fixed base (1). Said opposite blades (2 and 3) are held by a common support (6, 7) through which pass the stems (21) of said hydraulic cylinders (20) operating the blank holder. Said hydraulic cylinders (20) are also equipped with a stoppage system for stopping the blank holder in a position above a sheet metal panel placed over a fixed counterblade (5). |
