High-precision cross-shaped sliding table mechanism based on dental bur machining

The utility model discloses a high-precision cross slipway mechanism based on dental bur processing, which comprises an X-axis slipway, a Y-axis slipway, a revolving platform, a connecting base plate and a dental needle chuck, the movable part of the X-axis slipway is connected with the Y-axis slipway, the movable part of the Y-axis slipway is connected with the revolving platform, the revolving platform is connected with the dental needle chuck through the connecting base plate, and the connecting base plate is connected with the dental needle chuck through the connecting base plate. The X-axis sliding table comprises a first supporting seat, a first linear motor, a first moving plate, a first crossed roller guide rail and a first grating ruler, and the Y-axis sliding table and the X-axis sliding table are the same in structure. The X-axis sliding table and the Y-axis sliding table on the cross-shaped sliding table can respectively drive the rotary platform to move in the X-axis direction and the Y-axis dire