Method for manufacturing forged product, and apparatus for manufacturing forged product
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United States of America Patent
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Issued Date -
Mar 27, 2003
app pub date -
Sep 9, 2002
filing date -
Sep 27, 2001
priority date (Note) -
Abandoned
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Abstract
This invention is directed to a method for manufacturing metal which includes a step of melting a forged material, and a step of casting a molten forged material to obtain a preform made of forged material, and a step of forging the preform made of forged material, and an apparatus therefor. The preform made of forged material comprises one or more of standardized preforms made of forged material having an approximately cylindrical form with the same cross sectional shape, but a different length. According to the present method and the present apparatus, one may produce metal products to which excellent mechanical properties are impaired by subjecting standardized preforms to the forging treatment with an improved productivity and reduced production cost.
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