The Research on the Orientation Error of Three-Axis Turntable in Theory and Measuring Method Based on Assembling

Yan Li; Da Peng Fan

doi:10.4028/www.scientific.net/MSF.532-533.849

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The Research on the Orientation Error of Three-Axis Turntable in Theory and Measuring Method Based on Assembling

Abstract:

Based on the analysis of geometric errors of mechanism assembling, this paper applies the multi-body system kinematics theory in building the orientation error model of three-axis turntable induced by assembling errors. The results using the model could be easily applied in controlling turntable by error’s compensation, and shows which assembling error item has the larger effect. Furthermore，referenced by the measuring means of three-axis turntable, this paper conceives the definitions of the volumetric and orientation accuracy aimed at the turntable system, enlightened from the conception of NC machine tool. This research may be helpful to the foundation of the systematic conception of the turntable accuracy no matter in theory or in measuring method.