A selective kinematics error model for on-machine measurement compensation

In order to improve measurement availability for manufacturing applications, on-machine measurement (OMM) is integrated onto the machine tools. However, the inherent kinematics error will inevitably induce additional deviations onto OMM results. This paper presents a selective kinematics error model for OMM compensation. To verify effectiveness of the proposed kinematics error modelling, measurement and compensation, OMM experiment of a standard flat mirror is performed. The result shows with the implementation of compensation, the accuracy of characterized flatness error from OMM improves 67%.