FIELD: technological processes.
SUBSTANCE: invention relates to the foundry. Molds (1) are made on conveyor (2) from loose molding material by vacuum-film molding. Prior to metal pouring between casting mold (N) and pouring mold (N-1) supplied under casting, movable protective element (4) is placed. Movable protective element is made in the form of sheet from heat-resistant material and fixed on filling device (3).
EFFECT: higher quality and prevention of rejects of casts.
9 cl, 1 dwg
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| METHOD OF PRODUCING CASTINGS | 0 |
|
SU1266644A1 |
