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COUNTERGRAVITY CASTING USING PARTICULATE FILLED VACUUM CHAMBERS
COUNTERGRAVITY CASTING USING PARTICULATE FILLED VACUUM CHAMBERS
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机译:使用颗粒状填充真空容器进行反重力铸造
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摘要
Particulate mold material, such asbinderless foundry sand, is vacuumed upwardly from aparticulate bed into an open bottom container aboutone or more gas permeable molds or destructiblepatterns in the container to form a casting assemblyadapted for immersion in an underlying molten metalpool to effect countergravity casting of moltenmetal.
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