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研究了在板料成形毛坯设计中加入等效拉延筋进行计算的毛坯设计方法,提出了利用反向方法结合等效拉延筋进行毛坯设计的设计思想。通过实例的研究表明,这种毛坯设计方法是合理的,同时也表明结合等效拉延筋的毛坯设计方法可以用于大型覆盖件的毛坯设计。
The blank design method of adding equivalent drawbead to the blank design was studied, and the design idea of the blank design using the reverse method and the equivalent drawbead was put forward. The case study shows that the blank design method is reasonable, but also shows that the blank design method combined with equivalent drawbead can be used for blank design of large blankets.