Dynamic synchronous accuracy of translational and rotary axes
by Ryuta Sato, Masaomi Tsutsumi
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 4, No. 3/4, 2011

Abstract: This paper describes the dynamic synchronous accuracy of the translational and rotational axes in five-axis machining centres. In this study, non-uniform three-axis synchronous motion is investigated in order to estimate the dynamic synchronous accuracy. A dynamic model of each axis including a rotary axis is developed, and the synchronous motion is simulated. The dynamic model consists of a moment of inertia, Coulomb's friction, viscous friction, and controllers. As a result of the experiment and simulation, it is clarified that the developed model can express the experimental results accurately. In addition, a controller tuning method that can improve the synchronous accuracy is proposed, and its effectiveness is clarified by the developed dynamic model.

Online publication date: Sun, 24-Jul-2011

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