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CASTING METHOD USING CORE MADE OF SYNTHETIC RESIN, CORE MADE OF SYNTHETIC RESIN, AND CAST PRODUCT
CASTING METHOD USING CORE MADE OF SYNTHETIC RESIN, CORE MADE OF SYNTHETIC RESIN, AND CAST PRODUCT
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机译:使用合成树脂制芯,合成树脂制芯和铸件的铸造方法
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摘要
A core 10 made of a synthetic resin is set in dies, and the dies are filled with a molten metal. The molten metal is cooled by the dies, whereby a cast product 12 including the synthetic resin core 10 is obtained. Totally heating the cast product 12, a projecting portion 10a of the synthetic resin core 10 is caught and pulled, whereby the synthetic resin core 10 is drawn in a semi-molten state out of the cast product 12.
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