...A method of forcing molten metal into a precision metal mold (die) under high pressure to produce castings with high dimensional accuracy and a beautiful casting surface. This name is used in Japan and the United States, while in the UK this method is called pressure die casting, and regular metal mold casting is called gravity die casting. The principle of die casting can be illustrated by the steps shown in the figure: (1) molten metal is guided into a cylinder, (2) it is forced into the mold at high speed and allowed to solidify, and (3) the mold is opened and the product is removed. ... *Some of the terminology used in reference to "pressure die casting" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…精密な金型(ダイス)に溶融金属を高圧で圧入し,寸法精度の高い,鋳肌のきれいな鋳物を作る方法。この呼称は日本およびアメリカでのもので,イギリスではこの方法を圧力金型鋳造pressure die castingといい,普通の金型鋳造は重力金型鋳造gravity die castingといっている。ダイカストの原理は図のように,(1)溶融金属をシリンダー内に導き,(2)これを高速で鋳型内に圧入して凝固させ,(3)型を開いて,製品を取り出す,という手順で示すことができる。… ※「圧力金型鋳造」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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