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拉深次数
number of drawing
- 用温差拉深工艺成形深筒形件能大幅度降低拉深系数，减少拉深次数，降低生产成本。
Differential temperature drawing in deep sleeve parts can reduce coefficient and times of drawing, then cut down the cost. - 通过计算确定了杯座毛坯尺寸及拉深的次数，通过对工件工艺性分析，确定了工件的工艺方案。
Through computing the size of the roughcast and the number of drawing are confirmed. Finally analyzed the craft to the hinge and confirmed the craft project.
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