한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제32권12호
  • /
  • Pages.1023-1029
  • /
  • 2015
  • /
  • 1225-9071(pISSN)
  • /
  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지
DOI QR코드

DOI QR Code

레이저보조가공에서 중첩열원에 관한 해석 연구

Analysis of Overlapping Heat Zones in Laser-Assisted Machining

  • Baek, Jong-Tae (School of Mechanical Engineering, Changwon National University) ;
  • Lee, Choon-Man (School of Mechanical Engineering, Changwon National University)
  • 투고 : 2015.10.14
  • 심사 : 2015.11.11
  • 발행 : 2015.12.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

Laser-assisted machining (LAM) is one of the most effective methods for enhancing the machinability of difficult-to-cut materials, such as titanium alloys and various ceramics, and has been studied by many researchers. LAM is a method that facilitates machining by softening a workpiece using a laser heat source. The advantages of the LAM process are decreases in tool wear, cutting force, and surface roughness. However, when the material is over-heated, melting or burning can occur. This study analyzed the heat source distribution with regard to overlapping of preheating on the laser heating path with an acute angle, a right angle and obtuse angles. Then, a power reduction method was proposed to reduce the melting and burning of the workpiece.

키워드

참고문헌

  1. Kim, D. H. and Lee, C. M., "A Fundamental Study in the Evaluation of Machining Characteristics in Laser Assisted Milling of Titanium Alloys," Proc. of KSPE Spring Conference, p. 136, 2014.
  2. Kim, G. S., Choi, J. Y., and Lee, C. M., "A Basic Study on the Prediction of Preheating Effect SM45C by Using HPDL" Proc. of KSPE Autumn Conference, pp. 143-144, 2012.
  3. Kang, D. W. and Lee, C. M, "A Study on the Cutting Analysis of Inconel-718 by Laser-Assisted Milling," Proc. of the KSMPE Conference, p. 82, 2013.
  4. Kim, D. H. and Lee, C. M., "A Study of Cutting Force and Preheating-Temperature Prediction for Laser-Assisted Milling of Inconel 718 and AISI 1045 Steel," International Journal of Heat and Mass Transfer, Vol. 71, pp. 264-274, 2014. https://doi.org/10.1016/j.ijheatmasstransfer.2013.12.021
  5. Kim, T. W. and Lee, C. M., "A Study on the Development of Milling Process for Silicon Nitride Using Ball End-Mill Tools by Laser-Assisted Machining," The International Journal of Advanced Manufacturing Technology, Vol. 77, No. 5-8, pp. 1205-1211, 2015. https://doi.org/10.1007/s00170-014-6525-9
  6. Lusquinos, F., Conde, J., Bonss, S., Riveiro, A., Quintero, F., et al., "Theoretical and Experimental Analysis of High Power Diode Laser (HPDL) Hardening of AISI 1045 Steel," Applied Surface Science, Vol. 254, No. 4, pp. 948-954, 2007. https://doi.org/10.1016/j.apsusc.2007.07.200
  7. Brecher, C., Emonts, M., Rosen, C.-J., and Hermani, J.-P., "Laser-Assisted Milling of Advanced Materials," Physics Procedia, Vol. 12, pp. 599-606, 2011. https://doi.org/10.1016/j.phpro.2011.03.076
  8. Kennedy, E., Byrne, G., and Collins, D. N., "A Review of the Use of High Power Diode Lasers in Surface Hardening," Journal of Materials Processing Technology, Vol. 155-156, pp. 1855-1860, 2004. https://doi.org/10.1016/j.jmatprotec.2004.04.276
  9. Bermingham, M., Schaffarzyk, P., Palanisamy, S., and Dargusch, M. S., "Laser-Assisted Milling Strategies with Different Cutting Tool Paths," The International Journal of Advanced Manufacturing Technology, Vol. 74, No. 9-12, pp. 1487-1494, 2014. https://doi.org/10.1007/s00170-014-6093-z
  10. Liang, G. L., Zhou, G., and Yuan, S. Q., "Study on Hybrid Heat Source Overlap Welding of Magnesium Alloy AZ31B," Material Science and Engineering: A, Vol. 499, No. 1-2, pp. 93-96, 2009. https://doi.org/10.1016/j.msea.2008.04.073
  11. Ding, H., Shen, N., and Shin, Y. C., "Thermal and Mechanical Modeling Analysis of Laser-Assisted Micro-Milling of Difficult-to-Machine Alloys," Journal of Materials Processing Technology, Vol. 212, No. 3, pp. 601-613, 2012. https://doi.org/10.1016/j.jmatprotec.2011.07.016
  12. Woo, W.-S. and Lee, C.-M., "A Study of the Machining Characteristics of AISI 1045 Steel and Inconel 718 with a Cylindrical Shape in Laser-Assisted Milling," Applied Thermal Engineering, Vol. 91, No. pp. 33-42, 2015. https://doi.org/10.1016/j.applthermaleng.2015.08.006
  13. Yang, J., Sun, S., Brandt, M., and Yan, W., "Experimental Investigation and 3D Finite Element Prediction of the Heat Affected Zone during Laser Assisted Machining of Ti6AL4V Alloy," Journal of Materials Processing Technology, Vol. 210, No. 15, pp. 2215-2222, 2010. https://doi.org/10.1016/j.jmatprotec.2010.08.007
  14. Lee, J. M, "Laser and Cleaning Process," Hanrimwon Press, pp. 30-33, 2002.

피인용 문헌

  1. An Analytical Study on the Preheating Effect of Flat Workpiece in Thermally Assisted Machining by Multi Heat Sources vol.33, pp.8, 2016, https://doi.org/10.7736/KSPE.2016.33.8.629