Mixing and water adjusting method for foundry sand
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United States of America Patent
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Dec 4, 2018
Grant Date -
Apr 30, 2015
app pub date -
Jun 4, 2013
filing date -
Jun 13, 2012
priority date (Note) -
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Abstract
A mixing and adjusting method for foundry sand includes calculating a total supplied water amount until a compactability (CB) value of mixed sand becomes larger than a lower limit value of a target CB value range, determining the total supplied water amount as a predetermined amount of water associated with an electric resistance of the foundry sand, and determining a ratio of a variation in the CB value corresponding to an additionally supplied water amount from the additionally supplied water amount during an additional water pouring and the CB value of the mixed sand.
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