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Structure model based correction is a new approach for the reduction of thermally induced positioning errors in machine tools. Herein axis-position dependent correction values are calculated in thermal real-time using thermal and thermo-elastic models. The correction values are used for the compensation of thermal errors. Necessary input data for the thermal model are captured in the control. This...
Today, the dynamics, especially acceleration and jerk, of machine tools are limited in order to reduce excitations of machine structure vibrations to an acceptable level. A novel approach - the Kinematically Coupled Force Compensation (KCFC) - combines the principles of redundant axes and force compensation to further increase machines’ dynamics. In this paper, the new principle is introduced and...
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