Oshiyu - Oshiyu
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When casting, the molten metal shrinks as it solidifies, which can cause shrinkage and cracks if left unchecked. To prevent this, a pool of molten metal is created above the mold to make up for the shrinkage or to provide an appropriate temperature gradient for the casting as it solidifies. →Related items Casting molds | Centrifugal casting Source : Heibonsha Encyclopedia About MyPedia Information |
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鋳物を鋳込むとき溶融金属は凝固時に収縮し，そのままでは鋳引けや収縮割れを生じる。これを防ぐため収縮分の溶融金属を補給すること，または凝固時の鋳物に適当な温度勾配(こうばい)をもたせる目的で，鋳型上部につくる湯だまりをいう。 →関連項目鋳型｜遠心鋳造 出典 株式会社平凡社百科事典マイペディアについて 情報 |
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