Transactions of Materials and Heat Treatment

Title：Research of flashless forging process of a slide fork

Authors： GU Zhi-fei WU Bo-jie (School of Mechanical Engineering Tsinghua University Beijing 100084 China)

Unit：

KeyWords： slide fork no-flash die forging design of forging die FE simulation

ClassificationCode：TG316.1

year,vol(issue):pagenumber：2005,30(5):12-14

Abstract：

In conventional closed-die forging of slide forks,the material waste of the flash is serious and the geometrical tolerance is large.In order to reduce the cost of forged parts,a flashless die forging process and tooling design are developed based on the geometrical feature of a slide fork,so that the forging can be performed in closed cavity to obtain near net or net shape parts.A flashless die forging process of a smide fork has been carried out by using DEFORM 3D code.The results show that the material utilization ratio and the quality have been greatly improved and the punch force has been reduced.

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Reference：

[1]张志文.锻造工艺学[M].西安:西北工业大学出版社,1988.
[2]Vazquez V,Altan T.Die design for fashless forging of com-plex parts[J].Journal of Materials Processing Technology,2000,98(1):81 89.
[3]洪深泽.挤压工艺及模具设计[M].北京:机械工业出版社,1996.

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