한국소성가공학회:학술대회논문집 (Proceedings of the Korean Society for Technology of Plasticity Conference)

한국소성∙가공학회 (The Korean Society for Technology of Plasticity and materials processing)
권호 표지

회전단조 공정에서 전-후방 압출 특성에 관한 연구

Deformation Behaviour of Forward -Backward EXtrusion in Rotary Forging Process

  • 최석우 (생산기술연구원 생산기반기술실용화센타) ;
  • 윤덕재 (생산기술연구원 생산기반기술실용화센타) ;
  • 임성주 (생산기술연구원 생산기반기술실용화센타) ;
  • 나경환 (생산기술연구원 생산기반기술실용화센타)
  • 발행 : 1995.03.01
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초록

Simultaneous forward-backward extrusion upsetting has been carried out by ratray forging. Two materials has been used commericaly 6.61 aluminium ally and 0.2% steel. The effects of working conditions ; spiral feed ; initial aspect ration of specimen and lubricating condition on the backward and forward extrusion were clarified. The extrusion length increases a sthe aspect rationof the specimen increases, the backward extrusion lengthbeing relatively larger than the forward one. The effects of the spiral feed and the material on the extrusion lengthis remarkably large for the large spiral feed.

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