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볼엔드밀 가공의 칩두께 모델 해석

Analysis of Chip Thickness Model in Ball-end Milling


This paper describes a analysis on the chip thickness model required for cutting force simulation in ball-end milling. In milling, cutting forces are obtained by multiplying chip area to specific cutting forces in each cutting instance. Specific cutting forces are one of the important factors for cutting force predication and have unique value according to workpiece materials. Chip area in two dimensional cutting is simply calculated using depth of cut and feed, but not simply obtained in three dimensional cutting such as milling due to complex cutting mechanics. In ball-end milling, machining is almost performed in the ball part of the cutter and tool radius is varied along contact point of the cutter and workpiece. In result, the cutting speed and the effective helix angle are changed according to length from the tool tip. In this study, for chip thickness model analysis, tool and chip geometry are analyzed and then the definition of chip thickness and estimation method are described. The resulted of analysis are verified by compared with geometrical simulation and other research. The proposed chip thickness model is more precise.

저자의 다른 논문

참고문헌 (12)

  1. Feng, H. Y. and Menq, C. H., 1996, 'A Flexible Ball-End Milling System Model for Cutting Force and Machining Error Prediction,' Trans. ASME, Vol. 118, pp. 461-469 
  2. Yang, M. Y. and Sim, C. G., 1994, 'A Study on the Precision Machining in Ball End Milling System,' Journal of KSPE, Vol. 11, pp. 50-64 
  3. Hwang, J., Chung, E. S., Shin, S. C. and Namgung, S., 1998, 'A Study on the Identification of Cutter Offset by Cutting Force Model in Milling Process,' Journal of KSMTE, Vol. 7, No. 2, pp. 91-99 
  4. Martellotti, M. E., 1941, 'An Analysis of the Milling Process,' Trans. ASME, Vol. 63, pp. 677-700 
  5. Kim, G. M., Kim, B. H. and Chu, C. N., 2003, 'Estimation of Cutter Deflection and Form Error in Ball-end Milling Processes,' Int. J. Mach. Tools Manufact., Vol. 43, pp. 917-924 
  6. Kline, W. A., Devor, R. E. and Lindberg, J. R., 1982, 'The Prediction of Cutting Forces in End Milling with Application to Conering Cuts,' Int. J. Mach. Tool Des. Res., Vol. 22, pp. 7-22 
  7. Feng, H. Y. and Menq, C. H., 1993, 'The Prediction of Cutting Forces in the Ball-End Milling Process-II,' Int. J. Mach. Tools Manufact., Vol. 34, pp. 711-719 
  8. Lim, E. M. and Menq, C. H., 1995, 'The Prediction of Dimensional Error for Sculptured Surface Productions Using the Ball-End Milling Process PART2,' Int. J. Mach. Tools Manufact., Vol. 35, No. 5, pp. 1171-1185 
  9. Feng, H. Y. and Menq, C. H., 1993, 'The Prediction of Cutting Forces in the Ball-End Milling Process-I,' Int. J. Mach. Tools Manufact., Vol. 34, pp. 697-710 
  10. Yucessan, G. and Altintas, Y., 1996, 'Prediction of Ball End Milling Forces,' Trans. ASME, Vol. 118, pp. 95-103 
  11. Altintas, Y. and Lee, P., 1998, 'Mechanics and Dynamics of Ball End Milling,' Trans. ASME, Vol 120, pp. 684-692 
  12. Kline, W. A., Devor, R. E. and Shareef, I. A., 1982, 'The Prediction of Surface Accuracy in End Milling,' Trans. ASME, Vol. 104, pp. 272-278 

이 논문을 인용한 문헌 (1)

  1. Yi, Chung-Seob ; Yun, Ji-Hun ; Jeong, In-Guk ; Song, Chul-Ki ; Suh, Jeong-Se 2011. "A Study on Design of High Pressure Injection Nozzle for Avoiding Chip Curling" 한국생산제조시스템학회지 = Journal of the Korean Society of Manufacturing Technology Engineers, 20(6): 793~798 


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