| 负间隙冲裁与普通冲裁的冲裁力研究 |
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| 引用本文： | 李建华,张忠美. 负间隙冲裁与普通冲裁的冲裁力研究[J]. 模具工业, 2009, 35(1): 16-19 |
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| 作者姓名： | 李建华 张忠美 |
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| 作者单位： | 中原工学院机电学院,河南,郑州,450007 |
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| 摘 要： | 用实验的方法对凸、凹模负间隙冲裁与普通冲裁的冲裁力曲线进行了分析,发现负间隙冲裁冲裁力曲线与普通间隙冲裁冲裁力曲线差异很大,解释了冲裁力曲线的变化规律,得出了冲裁力与凸、凹模间隙值的变化关系,总结了影响冲裁力的因素,对了解负间隙冲裁冲裁力的变化规律与模具设计有一定的指导意义。
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| 关 键 词： | 负间隙 冲裁力 凸、凹模间隙 |
Comparison on the punching force of negative clearance blanking and common blanking |
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| LI Jian-hua,ZHANG Zhong-mei. Comparison on the punching force of negative clearance blanking and common blanking[J]. Die & Mould Industry, 2009, 35(1): 16-19 |
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| Authors: | LI Jian-hua ZHANG Zhong-mei |
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| Affiliation: | School of Mechanical and Electrical Engineering;Zhongyuan University of Technology;Zhengzhou;Henan 450007;China |
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| Abstract: | Through experiments and analysis on the punching force curves of negative clearance blanking and common blanking,we found that the difference between the two curves was very large.The variation law of punching force curves was explained and the relationship between punching force and clearance between punch and die was obtained.The influencing factors of punching force were also summarized. |
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| Keywords: | negative clearance punching force clearance between punch and die |
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