According to the sine law, vertical wall shell cannot be finished at one time in NC incremental sheet metal forming process, it must be formed at many times.
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美
释义
根据正弦定律,金属板料数控渐进成形工艺,不能一次成形出直壁筒形件,要成形直壁筒形件,必须进行多次成形。
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