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Research of the spindle overhang and bearing span on the system milling stability

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Abstract

The effects of spindle overhang and bearing span on the frequency responses and go further contributions on stability of the spindle milling system are investigated in this paper. The transfer functions at the spindle nose are determined by the continuous two-step Timoshenko beam model, which validity is verified by the finite element method. It is found that the first spindle mode is evidently affected by the spindle overhang and has the most important influences on stability of the spindle milling system in this paper, whereas the bearing span mainly alters the spindle’s second mode in changing the vibration properties and stability of the system. These results can be considered in the spindle designing to help decreasing frequency amplitudes at spindle nose and improving milling stability in machining processes.

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Authors and Affiliations

  1. State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, 800 Dongchuan RD, 200240, Shanghai, People’s Republic of China

    S. H. Gao & G. Meng

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  1. S. H. Gao
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  2. G. Meng
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Correspondence to G. Meng.

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Gao, S.H., Meng, G. Research of the spindle overhang and bearing span on the system milling stability. Arch Appl Mech 81, 1473–1486 (2011). https://doi.org/10.1007/s00419-010-0498-4

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  • DOI: https://doi.org/10.1007/s00419-010-0498-4

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