FIELD: process engineering.
SUBSTANCE: casing mould comprises two half-molds moving to and fro relative to each pother along straight path perpendicular to piston central axis. With half-moulds closed, mould cavity section is created for casting piston therein. To withdraw piston from said cavity, half-moulds are opened. Proposed mould has two mandrels moving along straight path to come in position of engagement between two half molds to form undercut in piston. Said mandrels may move into disengagement position to allow withdrawal of piston along said axis.
EFFECT: simplified process.
17 cl, 3 dwg
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