Transactions of Materials and Heat Treatment

Title：Research on the new obturated extrusion technology of car steering knuckle

Authors： ZHAO De-ying SUN Hui-xue~1 ZHANG Chun-yi~2 (1. College of Mechanical Engineering Yanshan University QinHuangdao Hebei 066004 China 2. Dicastal Wheel Manufacturing Co. Ltd Qinghuangdao Hebei 066001 China)

Unit：

KeyWords： precision forming steering knuckle obliterated extrusion extrusion-belt

ClassificationCode：U466

year,vol(issue):pagenumber：2006,31(2):36-38

Abstract：

In this paper, a new precision forming technology is put forward, which combines pre-forging by separable cavity die extrusion-belt type obliterated extrusion with post-forging. It aims at the forming of car steering knuckle, which is a kind of complex branch-like forged piece. The experiment results and numerical simulation results of separable cavity die obturated extrusion are obtained. Then the important conclusion that the new technology can reduce equipment tonnage and increase the utilization ratio of material is educed.

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Reference：

[1]董之社·轿车转向节锻件半封闭挤压工艺[J]·锻压技术,2000,(6):910·
[2]夏巨谌·精密塑性成形工艺[M]·北京:机械工业出版社,1999·
[3]Yoshi mura H,Tanaka K·Precision forging of aluminum and steel[J]·Journal of Materials Processing Technology,2000,98(2):196204·

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