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04-23-2017 02:26 AM
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Sand Casting Shinkage/caving

by MaryAnn on 04-23-2017 at 02:26 AM
I am brass casting an piece that is About 1.5 inches thick and tapers down to 3/4 inch thick. I get a caving in or shrinkage. I have moved my air holes and the gates but still have the problem. And suggests?
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