Abstract
The effects of superimposed, low-frequency modulation on contact conditions at the tool–chip interface and mechanics of machining are analyzed. It is shown that modulation can disrupt the severity of the tool–chip contact, enabling enhanced lubrication of this contact; and discretize chip formation to small dimensions with controlled size and shape. The deformation strain in the chip is also reduced, suggesting a 40% reduction in energy of machining due to the modulation. Conditions of frequency and amplitude for achieving these effects are presented and confirmed using a compact modulation device that can be retro-fitted onto conventional machine platforms. Implications for enhancing efficiency of industrial machining processes are briefly discussed.
Similar content being viewed by others
References
Shaw, M.C.: Metal Cutting Principles, 2nd edn. Oxford University Press, Oxford (1984)
Nakayama, K.: Studies on the mechanisms of metal cutting. Bull. Fac. Eng. Yok. Natl. Univ. Jap. 8, 1–26 (1959)
Doyle, E.D., Horne, J.G., Tabor, D.: Frictional interactions between chip and rake face in continuous chip formation. Proc. Royal Soc. Lond. Sect. A 366, 173–183 (1979)
Ackroyd, B., Chandrasekar, S., Compton, W.D.: A model for the contact conditions at the tool-chip interface in low-speed cutting of pure metals. J. Tribol. 125, 649–660 (2003)
Williams, J.A., Tabor, D.: The role of lubricants in machining. Wear 43, 275–292 (1977)
De Chiffre, L.: Mechanics of metal cutting and cutting fluid action. Int. J. Mach. Tool Des. Res. 17, 225–234 (1977)
Wakabayashi, T., Williams, J.A., Hutchings, I.M.: The kinetics of gas-phase lubrication in the orthogonal machining of an aluminium alloy. Proc. Inst. Mech. Eng. Part J: J. Eng. Tribol. 209, 131–136 (1995)
Huang, C., Lee, S., Sullivan, J.P., Chandrasekar, S.: In situ measurement of fluid film thickness in machining. Tribol. Lett. 28, 39–44 (2007)
Tobias, S., Fishwick, W.: The chatter of lathe tools under orthogonal cutting conditions. Trans. ASME 80, 1079–1088 (1958)
Findley, H.: Method and apparatus for cutting material. US Patent 3,174,404, 1965
Kumabe, J.: Vibration cutting—basic principle and application, Jikkyo Shuppan Books (1979), as cited in Zhang, D., Wang, L.: Investigation of chip in vibration drilling, Int. J. Mach. Tool. Manuf. 38–3, 165–176 (1998)
Moriwaki, T., Shamoto, E.: Ultraprecision diamond turning of stainless steel by applying ultrasonic vibration. CIRP Ann. 40, 559–562 (1991)
Moscoso, W., Olgun, E., Compton, W.D., Chandrasekar, S.: Effect of low-frequency modulation on lubrication of chip-tool interface in machining. J. Tribol. 127, 238–244 (2005)
Shamoto, E., Moriwaki, T.: Study on elliptical vibration cutting. CIRP Ann. 43, 35–38 (1994)
Toews III, H.G., Compton, W.D., Chandrasekar, S.: A study of the influence of superimposed low-frequency modulation on the drilling process. Precis. Eng. 22, 1–9 (1998)
Chhabra, P.N., Ackroyd, B., Compton, W.D., Chandrasekar, S.: Low-frequency modulation-assisted drilling using linear drives. Proc. Inst. Mech. Eng. Part B: J. Eng. Manuf. 216, 321–330 (2002)
Mann, J. B., Chandrasekar, S., Compton, W. D.: Tool holder assembly and method for modulation-assisted machining, US Patent Pending, Ser. No. 11/381,513 (2006)
Mann, J.B., Saldana, C., Chandrasekar, S., Compton, W.D., Trumble, K.P.: Metal particulate production by modulation-assisted machining. Scr. Mater. 57, 909–912 (2007)
Sevier, M.: A finite element approach to predicting deformation field parameters in plane strain machining. Ph.D. Thesis, University of California—Santa Barbara (2007)
Acknowledgments
This work was supported in part by the National Science Foundation STTR Award 0822879, a National Science Foundation grant CMMI 0654250, the State of Indiana 21st Century Fund and M4 Sciences. We would like to thank Dr. Michael Sevier (University of California, Santa Barbara, CA) for sharing with us some of the results of a finite element analysis.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Mann, J.B., Saldana, C., Moscoso, W. et al. Effects of Controlled Modulation on Interface Tribology and Deformation in Machining. Tribol Lett 35, 221–227 (2009). https://doi.org/10.1007/s11249-009-9451-5
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11249-009-9451-5