| 摘要 |
PROBLEM TO BE SOLVED: To produce a cast iron tube at a high productivity with which the cast iron tube with a centrifugal casting is smoothly and quickly pulled out just after casting without developing friction resistance and scratched flaw, etc., from a metallic mold. SOLUTION: When the tube is pulled out from the metallic mold while holding the tube body by inserting one pair of chucking claws 22a, 22b into the tube body of the cast iron tube 9 which centrifugally casts by pouring molten iron into the rotated metallic mold, the tube body is held with such low action force as not to slip the chucking claws 22a, 22b until the tube body chucking portions pull out from the end part of the metallic mold 8, and then, the tube body is held with high action force after the tube body chucking portions pull out from the one end part of the metallic mold 8. COPYRIGHT: (C)2004,JPO
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