Method for improving quasi-beta forging deformation uniformity of titanium alloy high-rib forge piece

The invention discloses a method for improving the quasi-[beta] forging deformation uniformity of a titanium alloy high-rib forge piece, which comprises the following steps: S1, before quasi-[beta] forging, performing finite element simulation on an improved pre-forge piece model through software, optimizing the structural size parameters of the improved pre-forge piece model, performing quasi-beta forging simulation calculation, and enabling the deformation amount of a final forging piece model obtained after the improved pre-forging piece model to be subjected to quasi-[beta] forging is within the effective deformation amount range of 20%-40%; S2, performing machining according to the pre-forged piece model data meeting the effective deformation in the step S1, and obtaining an improved pre-forged die; and S3, putting the titanium alloy blank into the improved pre-forging die to be subjected to pre-forging forming, obtaining an improved pre-forged piece, then putting the improved pre-forged piece into a fin