Suppressing Chatter in a Plunge Grinding Process: Application of Variable Rotational Speed of Workpiece

Yao Yan; Jian Xu

doi:10.4028/www.scientific.net/AMM.249-250.259

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 249-250Suppressing Chatter in a Plunge Grinding Process:...

Suppressing Chatter in a Plunge Grinding Process: Application of Variable Rotational Speed of Workpiece

Abstract:

This paper investigates the regenerative chatter in a plunge grinding process. The effect of the contact force on the onset of chatter vibration is clarified by a proposed continuation algorithm, and the boundary for the chatter-free region in which the grinding process is stable is obtained. By varying the rotational speed of the workpiece continuously, the chatter vibration with the values of the system parameters being near the boundary is suppressed, namely, the chatter-free region is expanded by this spindle speed variation control strategy.