Investigating Dynamics of Machine Tool Spindles under Operational Conditions

Article Preview

Abstract:

Chatter is one of the major problems in machining and can be avoided by stability diagrams which are generated using frequency response functions (FRF) at the tool tip. During cutting operations, discrepancies between the stability diagrams obtained by using FRFs measured at the idle state and the actual stability of the process are frequently observed. These deviations can be attributed to the changes of machine dynamics under cutting conditions. In this paper, the effects of the cutting process on the spindle dynamics are investigated both experimentally and analytically. The variations in the spindle dynamics are attributed to the changes in the bearing parameters. FRFs under cutting conditions are obtained through the input-output relations of the cutting forces and the vibration response which are measured simultaneously. Experimentally and analytically obtained FRFs are then used in the identification of the bearing parameters under cutting conditions. Thus, bearing properties obtained at idle and cutting conditions are compared and variations in their values are obtained.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

610-621

Citation:

Online since:

April 2011

Export:

Price:

[1] S.A. Tobias and W. Fishwick: Transactions of ASM Vol. 80 (1958), pp.1079-1088.

Google Scholar

[2] J. Tlusty and M. Polacek: Proceedings of the ASME International Research in Production Engineering (1963), pp.465-474.

Google Scholar

[3] I. Minis, T. Yanushevsky, R. Tembo and R. Hocken: Annals of the CIRP Vol. 39 (1990), pp.459-462.

DOI: 10.1016/s0007-8506(07)61096-8

Google Scholar

[4] Y. Altintas and E. Budak: Annals of the CIRP Vol. 44 (1995), pp.357-362.

Google Scholar

[5] E. Budak and Y. Altintas: Transactions of ASME, Journal of Dynamic Systems, Measurement, and Control Vol. 120 (1998), pp.22-36.

Google Scholar

[6] Y. Altintas: Manufacturing Automation, (Cambridge University Press, New York, USA 2000).

Google Scholar

[7] L. Hong and C.S. Yung: International Journal of Machine Tools & Manufacture Vol. 44 (2004), pp.347-364.

Google Scholar

[8] Y. Altintas and Y. Cao: CIRP Annals- Manufacturing Technology Vol. 54 (2005), pp.379-382.

Google Scholar

[9] G. L. Xiong, J.M. Yi, C. Zeng, H.K. Guo and L.X. Li: Journal of materials Processing Technology Vol. 138 (2003), pp.379-384.

Google Scholar

[10] M.R. Movahhedy and P. Mosaddegh: International Journal of Machine Tools & Manufacture Vol. 46 (2006), pp.996-1001.

DOI: 10.1016/j.ijmachtools.2005.07.043

Google Scholar

[11] C.W. Lin, J.F. Tu and J. Kamman: International Journal of Machine Tools & Manufacture Vol. 43 (2003), pp.1035-1050.

Google Scholar

[12] I. Mane, V.Gagnol, B.C. Bouzgarrou and P. Ray: International Journal of Machine Tools & Manufacture Vol. 48 (2008), pp.184-194.

Google Scholar

[13] E. Rivin: Stiffness and Damping in Mechanical Design, (Marcel Dekker Inc., N.Y. USA, 1999).

Google Scholar

[14] B.J. Stone: CIRP Annals Manufacturing Technology Vol. 31 (1982), pp.529-538.

Google Scholar

[15] A. Erturk, E. Budak and H.N. Ozguven: International Journal of Machine Tools & Manufacture Vol. 47 (2007), pp.1401-1409.

Google Scholar

[16] S.J Rothberg, J.R. Baker and N.A. Halliwell: Journal of Sound and Vibration Vol. 135 (1989), p.516–522.

Google Scholar

[17] M. Denman, N.A. Halliwell and S.J. Rothberg: Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications (1996), p.12–21.

Google Scholar

[18] K. Tatara, M. Rantatalob and P. Grena: Mechanical Systems and Signal Processing Vol. 21 (2007), pp.1739-1745.

Google Scholar

[19] J.R. Bell and S.J. Rothberg: Journal of Sound and Vibration Vol. 237 (2000), p.245–261.

Google Scholar

[20] J.R. Bell and S.J. Rothberg: Journal of Sound and Vibration Vol. 238 (2000), p.673–690.

Google Scholar

[21] J.R. Bell and S.J. Rothberg: Measurement Vol. 35 (2004), p.201–210.

Google Scholar

[22] K. Tatar and P. Gren: International Journal of Machine Tools and Manufacture Vol. 48 (2007), pp.380-387.

Google Scholar

[23] I. Zaghbani and V. Songmene: International Journal of Machine Tools and Manufacture Vol. 49 (2009), pp.947-957.

Google Scholar

[24] H. Opitz and M.C. Weck: 10th International MTDR Conference (1969), pp.349-378.

Google Scholar

[25] I.E. Minis, E.B. Magrab and I.O. Pandelidis: Transactions of the ASME Vol. 112 (1990), pp.12-20.

Google Scholar

[26] J.S. Bendat and A.G. Piersol: Random Data Analysis and measurement Procedures, (John Wiley & Sons Ltd., USA 2010).

Google Scholar

[27] J.S. Bendat and A.G. Piersol: Engineering Applications of Correlation and Spectral Analysis, (Wiley-Interscience, 1993)

Google Scholar

[28] K. Shin and J. Hammond: Fundamentals of Signal Processing for Sound and Vibration Engineers (John Wiley & Sons Ltd., England 2008).

Google Scholar

[29] A. Ertürk, H.N. Özgüven and E. Budak: International Journal of Machine Tools and Manufacture Vol. 46 (2006), pp.1901-1912.

Google Scholar

[30] A. Ertürk, H.N. Özgüven and E. Budak: Proceedings of 12.  National Symposium on Theory of Machines Vol. 1 (2005), pp.15-26, (in Turkish).

Google Scholar

[31] H.N. Özgüven: Mechanical Systems and Signal Processing Vol. 4 (1990), pp.53-63

Google Scholar