Heavy spiral bevel gear shaving machine and preparation method thereof

The invention discloses a heavy spiral bevel gear shaving machine and a preparation method thereof and belongs to devices for manufacturing gears. The preparation method comprises the following steps of: (1) constructing a foundation; (2) preparing a base; (3) preparing an upright post and a moving table; (4) connecting the upright post and the moving table with the base through a guide rail pairrespectively; and (5) connecting the moving table with a tool box through a rotating shaft; arranging an upper guide rail on the upper part of the upright post, wherein the upper guide rail is fixed with an upper guide rail frame, and the upper part of the upright post can slide on the upper guide rail. The guide rail in a guide rail pair III connected with the base and the upright post is in a Zdirection, the guide rail in a guide rail pair II connected with the upper beam of a gantry and the top of the upright post is also in the Z direction, and the guide rail in a guide rail pair I connected with the base and the