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Application of flow model in metal cutting to cold forging of tubular products

机译:流动模型在金属切削对管状产品的冷锻中的应用

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摘要

The flow model in metal cutting is applied to cold forging for forming a H-shaped double cup by moving the bottom of an ironed cup to a predetermined position. In the proposed process, the cutting flow occurs between the internal corners of the upper cup and the lower cup and the tool pressure is lower than half of the plasticity coefficient of the cup material. Products are formed without defects when the ratio of the depth of cut to the bottom thickness of the cup is larger than the critical value related to the corner radius of the ironed cup. (C) 2019 Published by Elsevier Ltd on behalf of CIRP.
机译:通过将熨烫杯的底部移动到预定位置,将金属切割中的流动模型应用于冷锻,用于形成H形双杯。 在所提出的方法中,切割流动发生在上杯的内角和下杯之间,刀具压力低于杯材料的可塑性系数的一半。 当切割深度与杯子的底部厚度的比率大于与熨烫杯的拐角半径相关的临界值时,在没有缺陷的情况下形成的产品。 (c)2019年由elsevier有限公司发布代表CIRP。

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