Transactions of Materials and Heat Treatment

Title：Analysis of broken failures heavy-duty hammer's forging-die

Authors： CHENG Fang~1 CHENG Li~2(1.College of Telecommunication Chongqing University of Post and Telecommunication Chongqing 400065 China 2.College of Materials Chongqing Institute of Technology Chongqing 400083 China )

Unit：

KeyWords： heavy-duty forging die forging die broken forging die manufacture forging technology forging die setting

ClassificationCode：TG315.2

year,vol(issue):pagenumber：2007,32(1):72-74

Abstract：

Five typical broken failures of heavy-duty forging die are analyzed.Analysis is performed on the broken failure conditions from the points of forging die's configuration characters,working principle,forging die manufacture,forging technology and forging die setting.The method for solving these problems are proposed.The results show that heavy-duty forging die failure is resulted from bad environment and force bearing mode.Many reasons cause forging die failures such as die design,heat treatment,fixing,machining flowing line direction,and worker's emotion.It is not enough to improve forging die making quality.The importance is to pay attention to every working points so as to reduce the forging die failures.

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Reference：

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[2]王仲仁.锻压手册(锻造第3卷)[M].北京:机械工业出版社,2002.
[3]吕炎.锻造缺陷分析与对策[M].北京:机械工业出版社,1999.

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