Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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A UBET Analysis of the Extrusion/Forging Process of Trochoidally Headed Bars

트로코이드 형상의 머리를 가진 봉의 압출/단조에 관한 UBET해석

  • 김명훈 (부산대학교 대학원 정밀기계공학과) ;
  • 홍승진 (부산대학교 대학원 정밀기계공학과) ;
  • 김호윤 (부산대학교 대학원 정밀기계공학과) ;
  • 배원병 (부산대학교 기계기술연구소)
  • Published : 1999.09.01
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Abstract

A kinematically admissible velocity field is derived to analyze the forming load and the extruded length in the extrusion/forging process of trochoidally headed bars from round billets. The forming load and the extruded length are obtained by minimizing the total energy-consumption rate. Experiments are carried out with lead billets at room temperature using trochoidally shaped punches. The theoretical predictions of forming load and extruded length are in good agreement with the experimental results.

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