Our rework plan is as follows:1. The first step is to use laser cladding technology to weld the four large holes of the box at the position shown in the figure, which is about 0.5mm thick on one side. According to our previous processing experience, this type of welding There is almost no deformation to the part itself.2. The second step is to mill the parting surfaces of the upper and lower boxes to a thickness of about 0.3mm on one side;3. Finally, correct the two sides of the box in place, install positioning pins, tighten the bolts, and reprocess four more Large holes to the drawing requirements, and milling the assembly datum plane on both sides of the box