The mould press prebending adopts involutes types mould and simultaneously fold bending the two edges of plate by steps.
模压式预弯采用渐开线式模具，分步对钢板的两边同时进行折弯。
Calculation time, the operation more convenient. Project memory 500 group, and each group can be set to 99 fold scimitar order. 99 Bending.
算时间，操作更方便。工程记忆500组，且每组可设定99个折弯刀序。99个折弯。
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