FIELD: foundry production.
SUBSTANCE: device for manufacturing a hollow smelt model comprises a mould (1) with a cavity and a steel punch (2) mounted for movement in the mould cavity. The punch comprises a guide section (3) adjacent to the opposite part (4) of the mould cavity surface shape, deforming section (5) tapering in length to the periphery at an angle of 1.5-10° to the direction of travel, and the punch is provided with a travel stop (6).
EFFECT: no surface casting defects in the manufacture of hollow smelt models.
1 cl, 2 dwg
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