To produce a centrifugal cast tube having uniform tube thickness distribution at a receiving hole side in the centrifugal cast tube and little surface defect and internal defect in the receiving hole part.
In a method for producing the centrifugal cast tube 13, molten metal is supplied into a metallic mold 3 loaded on a casting truck 2 through a trough 7 inserted into the metallic mold 3 from a triangle ladle 5 as the ladle for casting and also, the metallic mold 3 is moved the the reverse side of the triangle ladle 5 together with the casting truck 2 and the molten metal is solidified in the metallic mold 3 to produce the centrifugal cast tube 13. In such a case, the molten metal supplying flow rate from the triangle ladle 5 is controlled to substantially the constant value. When 2 sec-4 sec has passed after starting pouring of the molten metal into the metallic mold 3 from a molten metal pouring hole at the top end part of a trough 7, the moving speed of the casting truck 2 is increased to a stationary speed according to the molten metal supplying flow rate from the triangle ladle 5.
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ISHIKAWA MASARU
KIYONO KUNIO
TAKASUGI HIDETO
KASAHARA SHINICHI
NIPPON CHUTETSUKAN KK
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