Transactions of Materials and Heat Treatment

Title：Exploration of fine blanking process and progressive die for making a complicated 3-Dimensional part

Authors： WANG Tong 1 ZHENG Peng-fei 2 LI Rong-hong 2 ZHAO Yan-qi 2 DU Gui-jiang 2 YANG Rui-feng 2 (1.ABB Xinhui Low Voltage Switchgear Co.Ltd. 2.Beijing Research Institute of Mechanical & Electrical Technology)

Unit：

KeyWords： Fine blanking Combined forming Progressive die Layout Material utilization

ClassificationCode：TG386

year,vol(issue):pagenumber：2004,29(4):43-45

Abstract：

The difficulties and the measures to make such a complicated fine blanking part with all sides bending are analyzed in details in this paper. then,a reasonable combined fine blanking process and the corresponding progressive fine blanking die. are developed. The die not only ensure the functions and the precisions of the manufactured parts, but also improve the material utilization in the production. The work shown here is of much value for domestic companies to make such kinds of fine blanking parts.

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Reference：

1　JHaack,FBirzer.FineBlankingPracticalHandbook.FeintoolAGLyss,HallwagAG ,Bern,Switzerland,1984.
2　Information,No.8～32,FeintoolAGLyss,Industriering8,CH -3250Lyss,Switzerland.
3　涂光祺.精冲技术.北京:机械工业出版社,1990

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