After establishing the model for the calibration of a novel five-axis parallel machine tool, the process of calibration is simulated by minimizing inverse kinematic residuals.

Kinematic equation is established for a two-parallel-axis differential through vibration method, and also the working principles of this differential are investigated.

Proceed from the definition of the rotating axis of the lathe, the author described a pattern of axis' kinematic accuracy and the methods measuring the rotating accuracy.