Hot Precision Forging with a Back-pressure of Al-Si Alloy for Scroll Type Compressor Parts

열간 배압 성형 기술을 이용한 Al-Si합금 스크롤의 정형 제조 기술

  • 이영선 (한국기계연구원 재료공정연구부) ;
  • 이정환 (한국기계연구원 재료공정연구부) ;
  • 이상용 (한국기계연구원 재료공정연구부) ;
  • 박영도 (부경대학교 산업과학기술연구소) ;
  • 이운섭 (LG 전자 공조 Comp. OBU.)
  • Published : 2000.02.01

Abstract

Hot precision forging with a back pressure was investigated for manufacturing of compressor parts made of Al-Si alloy. Disk-shaped blank made of Al-Si alloy was hot forged, and ribs were formed by loading back pressure on their top. The influence of the back pressure and die temperature on forgeability and properties of parts made of Al-Si alloy were examined. Using the F.E.M. simulation, we found the optimum vallue of back-pressure. The prototypes of scroll parts were forged into the near-net shape and satisfied the required properties.

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References

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