Laser Solutions (한국레이저가공학회지)

Korean Society of Laser Processing (한국레이저가공학회)
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A study for prediction of temperature distribution in laser-assisted turning for rod-shaped cast iron

레이저 보조선삭 중 주철환봉 내부의 온도분포 예측에 관한 연구

  • Kim, Kwan-Woo (School of Mechanical Engineering, Chungbuk National University) ;
  • Cho, Hae-Yong (School of Mechanical Engineering, Chungbuk National University) ;
  • Lee, Jae-Hoon (Department of High Density Energy Beam Processing and System, KIMM) ;
  • Suh, Jeong (Department of High Density Energy Beam Processing and System, KIMM) ;
  • Shin, Dong-Sig (Department of High Density Energy Beam Processing and System, KIMM)
  • 김관우 (충북대학교 기계공학부) ;
  • 조해용 (충북대학교 기계공학부) ;
  • 이제훈 (한국기계연구원 광응용생산기계연구실) ;
  • 서정 (한국기계연구원 광응용생산기계연구실) ;
  • 신동식 (한국기계연구원 광응용생산기계연구실)
  • Published : 2010.06.30
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Abstract

Laser-assisted machining is dependent on absorbed energy density into workpiece. Generally, the absorptivity of laser beam is dependent on wave length of laser, materials, surface roughness, etc. Various shapes and energy densities for beam irradiation can be used to laser-assisted machining. In this thesis, efficient method of heat source modeling was developed and designed by using one fundamental experimental trials. And then, laser-assisted machining of rod-shaped cast iron was simulated by using commercial FEM code MARC. Simulations and experiments with various conditions were carried out to determine suitable condition of pre-heating for laser-assisted turning process. Temperature distribution of cutting zone could be predicted by simulation.

Keywords