FIELD: process engineering.
SUBSTANCE: invention relates to machine building, particularly, to production of hollow parts by casting and forging from light alloys. Salt core produced by isostatic compression is placed in the mould to casting. Note here that the part of preliminary shape is produced that includes the salt core. Said part with said salt core are subjected to forging at 600-700 MPa. Finished part is obtained wherefrom said salt core is withdrawn.
EFFECT: simplified design of the core, higher precision.
3 cl, 4 dwg
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