マイクロウェーブを利用した造型法の研究
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概要
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A study of the molding method is made for hardening of casting sand by micro wave keeping it filled in a pattern.Some experiments were carried out to investigate the pattern material with satisfactory character of transmittance for microwave, moldability, hardenability of a mold, presence of casting defects etc.As hardening material the phenolic resin was used because of its favorable collapsibility in a mold and its quick hardening.After the tests it was found that a pattern of fused silica ceramic was the best.It is recognized that as the molding method of core mold for the mass production the above written method has such merits as improvement of efficiency in molding and finishing work, maintenance of dimensional accuracy, stabilization of quality etc.
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