Mold and casting method using the mold and design method of the mold
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United States of America Patent
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Oct 2, 2012
Grant Date -
Jun 21, 2012
app pub date -
Nov 15, 2011
filing date -
Dec 20, 2010
priority date (Note) -
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Abstract
A mold including a product cavity that is to be filled with a molten metal to mold a product; a supply cavity that connects to one side of the product cavity to supply the product cavity with the molten metal that is poured from a casting port; and a cooling cavity that connects to the other side of the product cavity and in which the molten metal filling the cooling cavity is cooled before the molten metal filling the product cavity and the supply cavity is cooled. A modulus M (=V/S) as a ratio of a volume V to a cooling surface area S in each of the cavities has a relation of Ms>Mp>Mc, where Mp is a modulus of the product cavity, Ms is a modulus of the supply cavity, and Mc is a modulus of the cooling cavity.
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