Speed Effects on Inherent Rotating Frequency of Motorized Spindle System

Abstract:

The paper determines the impact factors of high-speed spindle system including the centrifugal force, gyroscopic moments and the bearing stiffness softening, etc, then builds the general spindle-bearing FEM considering high speeds. Taking a motorized spindle as example, the effect of centrifugal force, gyroscopic effect, the radial stiffness and the coupling factors are analyzed qualitatively and quantitatively. Finally the research shows the variations of bearing radial stiffness, centrifugal force and gyroscopic moments have a significant effect on dynamics of spindle system in high speeds, while modeling the high speed spindle system, above factors must be considered.

• Periodical: Advanced Engineering Forum (Volumes 2-3)
• Pages: 900-905
• DOI: https://doi.org/10.4028/www.scientific.net/AEF.2-3.900
• Online since: December 2011
• Authors: Bo Wang, Wei Sun, Kun Peng Xu, Bang Сhuan Wen
• Keywords: Dynamic Characteristic, Effect Analysis, High-Speed, Spindle System

References

[1] Liu Bin, Peng Manhua. The Present State and D evelopm ent in High Speed Cutting Technology[J]. MOULD＆DIEPROJEC, 2010, 10: 60-66.

[2] W. X. Tang, X. Ai, S. Zhang and H. Jiang. Dynamic Modeling for High-Speed Milling System with Centrifugal Force and Gyroscopic Effect[J]. Key Engineering Materials, 2004, 259-260: 848-852.

DOI: 10.4028/www.scientific.net/kem.259-260.848

[3] Matti Rantatalo, Jan-Olov Aidanpaa, Bo Goransson, Peter Norman. Milling machine spindle analysis using FEM and non-contact spindle excitation and response measurement[J]. International Journal of Machine Tools & Manufacture, 2007, 47: 1034–1045.

DOI: 10.1016/j.ijmachtools.2006.10.004

[4] Yuzhong Cao, Y. Altintas. Modeling of spindle-bearing and machine tool systems for virtual simulation of milling operations[J]. International Journal of Machine Tools & Manufacture, 2007(47): 1342–1350.

DOI: 10.1016/j.ijmachtools.2006.08.006

[5] Chi-Wei Lin, Jay F. Tu. Model-Based Design of Motorized Spindle Systems to Improve Dynamic Performance at High Speeds[J]. Journal of Manufacturing Processes, 2007, 9(2): 94-108.

DOI: 10.1016/s1526-6125(07)70111-1

[6] Y. Altintas, E. Budak. Analytical Prediction of Stability Lobes in Milling[J]. Annals of the ClRP 1995, 4(1): 357-362.

DOI: 10.1016/s0007-8506(07)62342-7

[7] Bert R. Jorgensen, Yung C. Shin. Dynamics of Spindle-Bearing Systems at High Speeds Including Cutting Load Effects[J]. Journal of Manufacturing Science and Engineering, 1998, 120: 387-394.

DOI: 10.1115/1.2830138

[8] Keivan Ahmadi, Hamid Ahmadian. Modelling machine tool dynamics using a distributed parameter tool–holder joint interface[J]. International Journal of Machine Tools & Manufacture, 2007, 47: 1916-(1928).

DOI: 10.1016/j.ijmachtools.2007.03.004

[9] E. Budak, A. Ertürk, H.N. Özgüven. A Modeling Approach for Analysis and Improvement of Spindle-Holder-Tool Assembly Dynamics[J]. CIRP Annals-Manufacturing Technology, 2006, 55(1): 369-372.

DOI: 10.1016/s0007-8506(07)60437-5

[10] Hongqi Li, Yung C. Shin. Analysis of bearing configuration effects on high speed spindles using an integrated dynamic thermo-mechanical spindle model[J]. International Journal of Machine Tools & Manufacture, 2004, 44: 347-364.

DOI: 10.1016/j.ijmachtools.2003.10.011

[11] W. R. Wang, C. N. Chang. Dynamic Analysis and Design of a Machine Tool Spindle-Bearing System[J]. Journal of Vibration and Acoustics, 1994, 116: 280-285.

DOI: 10.1115/1.2930426

[12] Aini. R., Rahnejat. H. and Gohar. R. Experimental Investigation Into Bearing Induced Spindle Vibration[J]. Int. J. Mach. Tools Manuf., 1990, 30: 1-18.

[13] H. D. Nelson, J. M. McVaugh. The Dynamics of Rotor-Bearing Systems Using Finite Elements[J]. Journal of Engineering for Industry, 1976: 593-600.

DOI: 10.1115/1.3438942

[14] G.L. Xiong, J.M. Yi, C. Zeng, H.K. Guo, L.X. Li. Study of the gyroscopic effect of the spindle on the stability characteristics of the milling system[J]. Journal of Materials Processing Technology, 2003, 138: 379–384.

DOI: 10.1016/s0924-0136(03)00102-x