High-precision five-axis numerical control machine tool and precision analysis method

The invention provides a high-precision five-axis numerical control machine tool and a precision analysis method. The high-precision five-axis numerical control machine tool comprises a machine tool body. A cradle is arranged on the lower side of the machine tool body, a rotatable workbench is arranged on the cradle, movable claws and a clamp fixing disc are arranged on the upper side and the lower side of the workbench correspondingly and are in transmission connection with a movable claw adjusting screw and a clamp fixing screw arranged on the side wall of the workbench correspondingly, and a workpiece clamp is installed in the center of the upper surface of the workbench through the movable claws and the clamp fixing disc. The workpiece clamp of the machine tool is fixed through the upper height and the lower height, the end, fixed through the movable claws, of the upper side of the workpiece clamp can be adjusted through fine adjustment screws, the movable claw structures drive the workpiece clamp to defl