| 摘要 |
A press die set for a multi-step press system includes a lower die attached to a table and an upper die attached to a ram, the lower die and the upper die being adapted to simultaneously press-form workpieces placed in press-forming stations. The lower die includes a base attached to the table, plural pairs of guide rails fixedly secured to a top surface of the base, each pair of guide rails having mutually opposing grooves, a plurality of first die segments for press-forming the workpieces into desired shapes, each of the die segments having a slider plate removably inserted into the grooves of each pair of guide rails, and a plurality of clamping units provided on opposite lateral sides of each pair of guide rails for clamping the slider plate against removal. The upper die has substantially the same structure as that of the lower die.
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