MOLD FOR CASTING

MOLD FOR CASTING

PROBLEM TO BE SOLVED: To provide a mold for casting where, when a casting with a symmetrical shape is cast, the generation of a foreign matter bite defect that inclusions are stuck to the central part of the casting can be prevented, further, the non-uniformization in quality between the left part o...

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Hauptverfasser: ISHIDA HITOSHI, KANZAKI YUICHI
Format: Patent
Sprache:eng
Schlagworte:
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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creator ISHIDA HITOSHI
KANZAKI YUICHI
description PROBLEM TO BE SOLVED: To provide a mold for casting where, when a casting with a symmetrical shape is cast, the generation of a foreign matter bite defect that inclusions are stuck to the central part of the casting can be prevented, further, the non-uniformization in quality between the left part of the casting and the right part of the casting is prevented, and the casting of high quality with a symmetrical shape can be obtained. SOLUTION: The mold for casting is equipped with: a product cavity part 3 with a symmetrical shape composed of a product center hollow part 3c, and a product left hollow part 3a and a product right cavity part 3b both communicating with the product center cavity part 3c; a sprue 4; a first runner 5A of connecting the outlet side of the sprue 4 and the inlet of molten metal on the bottom part side of the product left cavity part 3a; and a second runner 5B having a flow passage length almost same as that of the first runner 5A and connecting the outlet side of the sprue 4 and the inlet of molten metal on the bottom part side of the product right cavity part 3b, and the maximum cross-sectional area of either the runner 5A or the runner 5B is 1.2 to 4 times the minimum cross-section of the other runner. COPYRIGHT: (C)2007,JPO&INPIT
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SOLUTION: The mold for casting is equipped with: a product cavity part 3 with a symmetrical shape composed of a product center hollow part 3c, and a product left hollow part 3a and a product right cavity part 3b both communicating with the product center cavity part 3c; a sprue 4; a first runner 5A of connecting the outlet side of the sprue 4 and the inlet of molten metal on the bottom part side of the product left cavity part 3a; and a second runner 5B having a flow passage length almost same as that of the first runner 5A and connecting the outlet side of the sprue 4 and the inlet of molten metal on the bottom part side of the product right cavity part 3b, and the maximum cross-sectional area of either the runner 5A or the runner 5B is 1.2 to 4 times the minimum cross-section of the other runner. 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SOLUTION: The mold for casting is equipped with: a product cavity part 3 with a symmetrical shape composed of a product center hollow part 3c, and a product left hollow part 3a and a product right cavity part 3b both communicating with the product center cavity part 3c; a sprue 4; a first runner 5A of connecting the outlet side of the sprue 4 and the inlet of molten metal on the bottom part side of the product left cavity part 3a; and a second runner 5B having a flow passage length almost same as that of the first runner 5A and connecting the outlet side of the sprue 4 and the inlet of molten metal on the bottom part side of the product right cavity part 3b, and the maximum cross-sectional area of either the runner 5A or the runner 5B is 1.2 to 4 times the minimum cross-section of the other runner. 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subjects CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
title MOLD FOR CASTING
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