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Critical Speed and Vibration Mode for Double-rotor Spindle System of High Speed Grinder

Journal: IEIT Journal of Adaptive & Dynamic Computing (Vol.2013, No. 1)

Publication Date:

Authors : ;

Page : 1-4

Keywords : High speed grinder; Double-rotor spindle system; Structural parameters; Critical speed; Vibration mode;

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Structural parameters are important factors that affect the dynamic performance of the spindle system of high speed grinder. The influences of the grinder spindle’s major structural parameters on its critical speed and vibration mode were investigated. Furthermore, we analyzed the effect of preload of bearing, overhang length, span of bearing, rotor structure and mass of spindle system on critical speeds of various orders for the coupled spindle system. Under the impact of unbalance, vibration response of the spindle’s front end as well as the front and back bearings was examined.

Last modified: 2013-01-06 18:00:54