PROCESS AND DEVICE FOR CENTRIFUGAL CASTING OF COPPER AND COPPER ALLOYS

摘要

centrifugal casting method for copper and copper alloys and other alloys are sensitive to oxygen, particularly at least one bronze, is incorporated into the mold flux in order to prevent or limit the formation of an oxide layer on the inner surface of the casting.we apply a liquid based on the internal surface of the casting, immediately after the casting operation, borax solid, preferably in the form of powder, if necessary with mixtures of fine particles of metal affinity to oxygen, e.g. as mg, li, erc and / or graphite powder and chamotte and / or charcoal.it is in the form of a layer of a thickness of 0.5 to 4 mm, preferably 1 to 3 mm.