Transactions of Materials and Heat Treatment

Title：Stamping die with eccentric clamping device

Authors： LIU Jun-sheng1 PANG Li-ping1 HE Wei2(1.College of Mechanical and Electrical Engineering Shaanxi University of Science and Technology Xi'an 710021 China 2.Department of Mechanical Engineering Nanjing Institute of Industry Technology Nanjing 210046 China)

Unit：

KeyWords： drawing part hold down eccentric wheel

ClassificationCode：TG375.41

year,vol(issue):pagenumber：2008,33(4):96-97

Abstract：

In order to produce lots of small head drawing parts,a new eccentric wheel blank holder device was designed.The structure and the working principle of stamping die with eccentric clamping device were presented.Eccentric clamping device on the stamping die was applied to clamp the stretching workpiece.The stamping device was single-acting punch.During stretching,eccentric clamping device was driven by tapered bar,thus the settled clamping force was achieved.The advantages of blank holding reliable,high efficiency,and simple technology were proved by the experiments made in the dies used for two normal heads of Φ 350 mm and Φ 273 mm.

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Reference：

[1]翁其金,徐新成.冲压工艺及冲模设计[M].北京:机械工业出版社,2004.
[2]唐景林,王丽薇.单动拉深液压机压边能量损耗分析[J].锻压技术,2006,31(6):91-93.
[3]王世东,陈文琳,李伟,等.空气罐封头的压形模具设计[J].锻压技术,2006,31(6):75-77.

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