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Why do some stretching parts have to be stretched many times?Why do some stretching parts have to be stretched many times? 1. Multiple stretching can greatly improve the overall elongation coefficient and productivity, and ensure the accuracy of the product through multi-channel uniform stretching. 2. Only in this way can the scrap amount be reduced. One-time forming needs technology. All scraps can be scrapped if the drawing is not good enough. Multiple stretching can evenly stretch. 3. This is for intermediate stress removal, annealing softening, not easy to produce waste products. |
