…It is often used for casting non-ferrous alloys. Special molds are used in the investment method, shell molding, and gypsum mold method. The investment method is used for so-called precision casting, and is also called the lost wax method. A wax model is covered with a refractory material such as alumina or magnesia and dried thoroughly before being used as a mold. The wax is melted by heating, and molten metal is poured into the cavity. … From [Precision Casting] ...A method of producing castings with much higher dimensional accuracy than conventional sand casting without using a metal mold. There are investment casting, ceramic mold casting, plaster mold casting, etc. *Some of the terminology referenced in the "Investment Act" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…非鉄合金の鋳造に多く用いられる。 特殊な鋳型を用いるものには,インベストメント法,シェルモールド法shell molding,セッコウ型法などがある。インベストメント法は,いわゆる精密鋳造に用いられるもので,ロストワックス法とも呼ばれ,蠟の原型の周囲にアルミナ・マグネシア等の耐火物を被覆して十分乾燥させたのち鋳型とし,加熱などによって蠟を溶かし出して,その空洞に溶湯を注ぐものである。… 【精密鋳造】より…鋳型に金型を使用せずに,普通の砂型鋳造よりはるかに寸法精度の高い鋳物を作る方法。インベストメント法(インベストメントキャスティング),セラミックモールド法,プラスターモールド法などがある。 ※「インベストメント法」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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