Typical reinforced stem part process method based on hydroforming

The invention relates to a sheet metal part forming technology in the field of aircraft manufacturing, in particular to a typical reinforced stem part process method based on hydroforming. The method is realized based on an airplane reinforcing stem part sheet metal part forming device, and the device comprises a male die, a female die, a blank holder, a liquid chamber and a guide plate, the method is low in mold manufacturing cost, simple in process, simplified in operation, good in part manufacturing quality, high in precision and high in efficiency; in the forming process, a plurality of sets of molds are integrated, so that the mold cost is reduced; under the action of the pressure of the liquid chamber, the to-be-machined part is tightly attached to the surface of the male die, meanwhile, the friction force between the to-be-machined part and the male die is increased, and it is guaranteed that the side wall of the to-be-machined part cannot be broken due to too large tensile stress; under the pressure a