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线材拉拔力是设计拉丝机的主要技术参数.本文采用上界定理,构成塑性变形区的速度场、变形场,推导拉拔力计算公式,并对“拉拔过程的能耗分析”一文进行探讨。
Wire drawing force is the main technical parameter of wire drawing machine.In this paper, upper bound theorem is used to compose the velocity field and deformation field in the plastic deformation zone, and the formula for calculating the pullout force is deduced, and the article “Analysis of Energy Consumption in Drawing Process” Discussion.