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HARDWARE REDUCTION OF VIBRATION IN MILLING OF COMPLEX-SHAPED SURFACES

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Cutting mode parameters for fine milling of hard materials on a multi-axis machining centers in production of space device parts are studied. Interdependence of the treatment process characteristics having the greatest impact on occurrence of parasitic vibrations in the cutting zone is revealed. The influence of cutting speed on parameters of the vibrating activity of the milling system in high speed milling mode is demonstrated. Vibratory activity that occurs during titanium alloy processing with milling machining center is investigated. The energy dissipation coefficient for vibration velocity is determined based on analysis of the data obtained using vibro-compensator in the process of fine milling. Dependence of the loss factor is derived considering the effects for high-speed machining of titanium alloys with application of the damping elements. Basic results of the study of dynamic processes occurring during end milling at high frequency and affecting the dimension processing errors are presented.

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