Analysis of Optimal Vertical in Angular U-Bending Process

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題名:	Analysis of Optimal Vertical in Angular U-Bending Process
作者:	陳聰嘉
貢獻者:	機械工程(學)系
日期:	2011-09
上傳時間:	2017-11-14 10:20:01 (UTC+8)
摘要:	This study aims to analyze the effects of angular U-bending process on the springback of metal sheets. Based on Updated Lagrangian Formulation (ULF), the 3D incremental elastic-plastic Finite Element Method was inferred to simulate the U-bending process of metal sheets. The die/blank holder profile with angles of α=-4°, α=-2°, α=0°, α=2°, α=4° and die/punch profile with radiuses of Rp=Rd=6.0mm were analyzed to determine the influence of tool angles on the springback. With different tool angles to proceed the U-bending process of metal sheets, it is found that the larger or smaller die angles, the more springback magnitude. When perpendicular U-sheets are required, θ1 of the U-sheet presents 90 degree on the tool angle α=-1.2° and θ2 shows 90 degrees on the tool angle α=-0.4°. The aim of this study is to investigate the effects of angle variables on the springback in the U-bending process and to obtain useful data from the industrial field.
關聯:	Advanced Materials Research
顯示於類別:	[機械工程系(所)] 【機械工程系】期刊論文

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