Transactions of Materials and Heat Treatment

Title：Process practice by using guidance system to improve semi-finished product precision

Authors： DU Wei WANG Qiu-mei (Forging Works of Jianhua Industrial Company Ltd. Qiqihaer Heilongjiang 161006 China)

Unit：

KeyWords： guidance system semi-finished product precision

ClassificationCode：TG376.2

year,vol(issue):pagenumber：2005,30(3):69-70

Abstract：

It is confirmed that the excess of semi-finished product wall thickness difference is the main influence factor through the analysis of the factors that affect the semi-finished product quality. This article studies the method using the guidance system to reversely extrude the inner hole of the workpiece and introduces the design and operation principle of the extrusion dies for realizing this kind of process plan so as to increase the raw material utilization rate, improve the semi-finished product quality and reduce the product making cost.

Funds：

Reference：

[1]中国机械工程学会锻压学会.锻压手册[M].北京:机械工业出版社,1993.
[2]张鼎承.冲模设计手册[M].北京:机械工业出版社,1988.

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