Process for straightening driving conical gear of drive axle

The invention relates to a process for straightening a driving conical gear of a drive axle and belongs to the technical field of manufacturing of automobile parts. The technical key points are as follows: a reasonable combination height of a pressing point and a supporting point is selected, the position of a large-end cushion block of a driving conical gear is raised by 1mm to 3mm, a pressing head is not vertical to an axis of a workpiece, the direction of pressure F is vertical to the horizontal plane downwards, and the pressure F can be decomposed into a component force f1 perpendicular to the axis of the workpiece and a component force f2 in a certain angle with the small end of the workpiece. Therefore, when pressure is applied to the workpiece, stress in the workpiece is released to a certain degree, the workpiece is hardly broken and is easily straightened, the working efficiency is improved, a rejection rate is reduced, and the process has the advantages of reasonable design, convenience in use, safety, reliability, high practicality and the like.