The invention discloses a
forging method achieving the uniformity of
crystal particles of a GH141 abnormally-shaped annular forged piece, and belongs to the technical field of
forging technologies. According to the technical scheme, the
forging method is characterized by comprising the following steps that S1, heating is conducted, specifically, a GH141
alloy bar is heated to enable the temperature to be 1100 DEG C, and heat preservation is conducted after heating is accomplished; S2, upsetting operation and
punching operation are conducted, specifically, the GH141
alloy bar is subjected to upsetting operation, and then the GH141
alloy bar is subjected to
punching operation, so that a forged blank is obtained; S3, heating is conducted for the second time, specifically, after the forged blank is heated to enable the temperature to be 1080 DEG C, heat preservation is conducted; S4, mandrel supporter hole enlarging operation is conducted, specifically, the forged blank is subjected to mandrel supporter hole enlarging operation; S5, heating is conducted for the third time, specifically, after the forged blank is heated to enable the temperature to be 1080 DEG C, heat preservation is conducted; S6, forging is conducted, specifically, the forged blank is put into a used blank membrane (2), and then a forming punch (1) is utilized to downwards press the forged blank so that the forgedblank can be forged and formed; and S7, cooling operation is conducted, specifically,
air cooling operation is conducted. The forging method has the
advantage that the degree of the uniformity of thecrystal particles of the GH141 abnormally-shaped annular forged piece is improved.