液壓式傳動，有機動滑塊行程調節結構和機動后擋料調節機構，帶手動微調器，并有計數器顯示數值，在上模上方裝有斜楔式精度調整機構，以保證工作加工精度。

      They adopt the hydraulic downstroke driving mechanism , and eauip with power adjusting devices for the ram stroke and the back gauge with a manual fineadjusting mechanism and a counterdisplaying the position of the siop . An adjusting device of wedge type s fixed on the top of upper tool to ensure precise bending work .