FIELD: foundry, namely manufacture of high accuracy technological fitting.
SUBSTANCE: method comprises steps of making first copy from shaping surface of mold for investment pattern; making second copy from shaping surface of first copy; accurately fixing second copy on mount with two mutually opposite walls; making reference copy from shaping surface of second copy, lateral surfaces of second copy, mount and wall surface of mount protruding over second copy at side of copy. Height h of mount walls exceeds height H of second copy. Length l of mount walls exceeds width S of second copy. Distance b between mount walls is equal to or exceeds width S of second copy by technological size. Shaping surface of reference copy is used for making ready article.
EFFECT: lowered labor consumption, simplified manufacturing process, improved stability of geometry parameters of fitting.
2 cl, 5 dwg, 1 ex
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