Numerical control high-precision waterproof and dustproof dynamic and static pressure main shaft

The utility model relates to the technical field of dynamic and static pressure main shafts, in particular to a numerical control high-precision waterproof and dustproof dynamic and static pressure main shaft. The utility model provides the numerical control high-precision waterproof and dustproof dynamic and static pressure main shaft which can quickly and accurately judge tiny shaking through contact detection. A numerical control high-precision waterproof and dustproof dynamic and static pressure main shaft comprises a dustproof shell, a hydraulic pump, a bearing, a main shaft body and a testing mechanism, the left side of the dustproof shell is connected with the hydraulic pump, the right side of the dustproof shell is connected with the bearing, the dustproof shell is rotationally connected with the main shaft body, and the main shaft body is communicated with the hydraulic pump and rotationally connected with the bearing. The right part of the dustproof housing is provided with a testing mechanism. Acco