Machinability Evaluation with Cutting Direction in High Speed Machining of Free Form Surface through Ball End Milling

볼 엔드밀을 통한 자유곡면의 고속가공에서 절삭방향에 따른 가공성 평가

  • 김경균 (부산대학교 대학원) ;
  • 강명창 (부산대학교 기계공학부, ERC/NSDM) ;
  • 이득우 (부산대학교 기계공학부, ERC/NSDM) ;
  • 김정석 (부산대학교 기계공학부, ERC/NSDM)
  • Published : 2001.02.01

Abstract

In recent years, there is increasing demand of esthetic design and complex function in aerospace, automobile and die/mold industry, which brings into limelight high-precision, high-efficient machining of sculptured surface. This paper deals with the establishment of the optimal tool path on free form surface in high speed ball end milling. Ball end milling is widely used for free form surface die and mold. In this machining, the cutting direction was changed with tool path. The cutting characteristics, such as cutting force and surface form are varied according to the variation of cutting directions. In this paper, the optimal tool path with down cutting in free form surface cutting is suggested.

Keywords

References

  1. Waldemar R. Gaida,Ciro A. Rodriguez,Yusuf Altintas 'Preliminary Experiments for Adaptive Finish Milling of Die and Mold Surface with Ball-Nose End Mills,' Transactions of NAMRI/SME, Vol. 23, pp. 184-189, 1995
  2. M.Y. YANG and C.G.SIM, 'The prediction of the cuttung force in ball-end milling with a flexible cutter,' Int. J. Mach. Tools Manufact. Vol. 333, No. 2, pp. 267-284, 1993
  3. Kishiname, T.el al, 'On Relatioship between Cutting Ability and Cutting Edge Shape of Circular Cutting Edge Ball End Mill,' J. of JSPE, Vol. 48, No. 7, pp. 68-74, 1982
  4. Aoyama, H. et al, 'Study on Development and Cutting Performance of Elliptic Ball End Mill,' J. of JSPE, Vol. 53, No. 3, pp. 461-466, 1987
  5. M. Y. Yang, H. D. Park. 'The Prediction of Cutting Forces in Ball-End Milling,' Int. J. Mach. Tools & Manufact, Vol. 31, No. 1, pp. 45-54, 1991 https://doi.org/10.1016/0890-6955(91)90050-D
  6. 최병규외 3인 'CAD/CAM 시스템과 CNC 절삭가공,' 희중당
  7. C.C. Tal, K. H. Fhu, 'Model for Cutting Forces Prediction in Ball-End Milling,' Int. J. Mach. Tool & Manufact, Vol. 35, No.4, pp. 51-54, 1995 https://doi.org/10.1016/0890-6955(94)P4347-W
  8. 김정석외 5인 '금형의 고정도.고능률 가공기술,' 한국정밀공학회지, 제17권, 4호, pp. 48-68, 2000
  9. 한국공작기계학회지 v.8 no.2 공구경로 변화에 따른 고속 볼엔드밀 가공에서 경사면의 특성(I) 김정석(외 4인)
  10. 김정석외 4인 '공구경로 변화에 따른 고속 볼엔드밀 가공에서 경사면의 특성(I),' 한국공작기계학회지 제8권, 제2호, pp. 137-144, 1998