Transactions of Materials and Heat Treatment

Title：Inclined angle of contracting matrix based on minimum contracting force

Authors： Hu Chengwu Zou Anquan Chen Jiping (Zhuzhou Institute of Technology) (Xiangtan Institute of Technology) (Zhuzhou Institute of Technology)

Unit：

KeyWords： Contracting form Contracting force Inclined angle of contracting matrix

ClassificationCode：TG301

year,vol(issue):pagenumber：2004,29(2):64-66

Abstract：

Unstable compaction is the main failure form when thin wall cylindrical parts are shaped It is of great practical significance to smoothly finish the compaction shaping process by reducing the contracting force and avoiding unstable compaction Using the theory of metal plastic forming, the paper derives the formula of the inclined angle of contracting matrix when the axial stress reaches the minimum, which acts on the vertical wall of blanks during thin wall cylindrical parts being formed, and analyzes the effect of the friction factors on the inclined angle

Funds：

湖南省重点学科建设项目资助 ;湘教通 [2 0 0 2 ] 67号

Reference：

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2　胡成武基于轴对称屈曲失稳的缩口力与临界缩口尺寸锻压技术,2003(3)
3　斯德洛日夫MB ,波波夫EA ,吉林工业大学锻压教研室译金属塑性加工原理北京:机械工业出版社,1980:337～352

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