유한요소해석을 통한 드로우비드 저항력의 예측 및 평가Prediction and Evaluation of Drawbead Restraining Force with Finite Element Analysis

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The drawbead is used to control the material flow into the die and increase the forming quality during the binder wrap process and the stamping process in the sheet metal forming. Drawbead restraining force (DBRF) is controlled by geometrical parameters and influenced by process parameters such as friction coefficient and blank thickness. In order to inspect the effect of process parameters, parameter studies are performed with the variation of parameters using finite element model of drawbead which is utilized reliably for the calculation of the drawbead restraining force. Drawbead analysis is carried out with 2-D plane-strain element and 3-D shell element. After the verification of the accuracy of the drawbead model with 3-D shell element, it is utilized to the prediction and the investigation of the effect of process parameters. The result of parameter studies can be utilized to the die design in the tryout stage.
Publisher
한국소성가공학회
Issue Date
2005
Keywords

Drawbead Restraining Force; Parameter study; Finite Element Analysis; Sheet Metal Forming

Citation

한국소성가공학회 2005년도 추계학술대회 논문집, pp.87-90

URI
http://hdl.handle.net/10203/15007
Link
http://www.kstp.or.kr/
Appears in Collection
ME-Conference Papers(학술회의논문)

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