Tool for positioning high-low temperature vacuum stepping motor bearing

The utility model relates to the technical field of high and low temperature vacuum stepping motor assembly. The utility model relates to a tool, in particular to a tool for positioning a high-low-temperature vacuum stepping motor bearing. The device comprises a base and a moving plate in sliding fit with the base; a first positioning groove is formed in the moving plate; a second positioning groove is formed in the lower base, a first positioning hole coaxial with the second positioning groove is formed in the bottom of the second positioning groove, the first positioning hole is used for positioning the shaft extension of the rotor rotating shaft, the first positioning groove and the second positioning groove are coaxially formed, and the first positioning groove and the second positioning groove can slide relatively. The utility model discloses a tool for positioning a high-low temperature vacuum stepping motor bearing. When the upper end bearing and the lower end bearing are assembled on the rotating shaf