METHOD FOR PRODUCING LOST WAX MODEL Russian patent published in 2021 - IPC B22C9/10 

FIELD: foundry.

SUBSTANCE: invention relates to the field of foundry and can be used in the manufacture of the lost wax model. The method of assembling the first rod (12) with the second rod (14) to form the lost wax model of the part used in casting with the first and second cavities includes assembling the first (12) and second (14) rods together with the first intermediate insert (20). The first intermediate insert is placed between the rods, the rods being separated from each other by the first distance (d1). The first intermediate insert (20) is made with a thickness less than the first distance (d1) to form the first gap between the first intermediate insert and one of the rods, the first or the second. Due to the presence of the gap, the intermediate insert does not restrict the positioning of the rods relative to each other and does not interfere with their positioning at a given distance from each other.

EFFECT: predetermined distance between the rods is maintained and the rods are prevented from moving relative to each other during the injection of wax into the mold during the manufacture of the lost wax model.

15 cl, 5 dwg