Distribution of motion for five-axis machine tools utilising quasi-redundancy
by Titus Haas; Sascha Weikert; Konrad Wegener
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 9, No. 3, 2016

Abstract: A new approach for the distribution of motion for five-axis machine tools, using quasi-redundancy given by the tolerance values of the rotational axes, is presented in this paper. Depending on the directional manufacturing tolerances for a geometry, the tolerance space is introduced. Allowing only small rotational tolerances, the nonlinear transformations are approximated using the small angle assumption. The optimisation problem is formulated as quadratic programming problem using B-Splines to represent the optimised solution. Based on two application examples, it is shown that the machining time and the machine excitation for desired machine axes can be reduced by the algorithm presented in this paper.

Online publication date: Tue, 04-Oct-2016

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