发明名称 |
METHOD FOR MOLDING SAND MOLD AND SAND MOLD |
摘要 |
<p>By mixing, stirring and kneading, with water glass (11) as a binder, sand (7), a surfactant (9), and water (10), foamed sand (S) is generated. The foamed sand (S) is packed in a cavity of a metallic mold and solidified to form a sand mold. By using the sand mold, aluminum is cast. By using water glass that is an inorganic binder, during casting, harmful gas and odor are not generated. Further, when a molar ratio n of water glass (Na20 nSi02 mH20) is adjusted in the range of 0.65 to 1.30, a quantity of water (H20) generated by heating water glass with a high temperature melt during casting can be suppressed. Thereby, hydrogen gas (H2) according to a reaction between water (H20) and aluminum (Al) can be suppressed from being generated and casting quality can be improved.</p> |
申请公布号 |
WO2013080016(A8) |
申请公布日期 |
2013.08.01 |
申请号 |
WO2012IB02501 |
申请日期 |
2012.11.27 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA;SINTOKOGIO, LTD.;MITSUTAKE, MASAOMI;WATANABE, HIROTSUNE;SUDA, TOMOKAZU;KATO, YUSUKE;ZENPO, TOSHIHIKO |
发明人 |
MITSUTAKE, MASAOMI;WATANABE, HIROTSUNE;SUDA, TOMOKAZU;KATO, YUSUKE;ZENPO, TOSHIHIKO |
分类号 |
B22C1/18 |
主分类号 |
B22C1/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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