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摘要：
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防止18-8型不锈钢技深件纵向开裂的有效措施之一是在拉深时采用小于板料厚度的凸凹模间隙。本文针对这种带变薄的普通拉深变形进行了力学分析，推导出拉深力的计算表达式。
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One of the valid method to reduce the vertical breaking in deep-drawing of 18-8stainless steel is to adopt a die clearance which is less than the plate thickness. According to this deep-drawing process withironing mechanical analysis is carried out and the formula to calculate forming stress is deduced in this paper.
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基金项目：
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作者简介：
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参考文献：
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1米小珍.18—8型不锈钢深简拉深工艺的研究.哈尔滨工业大学硕士研究生论文,1988.
2李硕本.冲压工艺学.北京:机械工业出版社,1982.
3(苏)肖夫曼.冷压原理.北京:机械工业出版社,1957
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