PROBLEM TO BE SOLVED: To provide a technique capable of producing an aluminum casting achieving both high strength and high rigidity even if the aluminum casting is a large-sized and thin component.SOLUTION: A sand mold core 17 is interposed between a fixed mold 13 and a movable mold 15. A sand core is gently cooled without rapidly cooling a molten metal and an action to maintain superior flowability is exerted. A structure being thin and lightweight and enhancing component rigidity can be obtained by utilizing a hollow structure using the sand core. A technique capable of producing an aluminum casting having a closed cross section structure is provided even if the aluminum casting is a large-sized and thin component.

    【課題】大型で薄肉な部品であっても、高強度と高剛性を両立するアルミニウム鋳造品化することが可能な技術を提供することを課題とする。【解決手段】固定金型13と移動金型15とに、砂型中子17を介在させる。【効果】砂中子は溶湯を急冷することなく穏やかに冷却し、流動性を良好に維持する作用を発揮する。砂中子を用いた中空構造を活かし、薄肉軽量で部品剛性を高める構造とすることができる。大型で薄肉な部品であっても、閉断面構造のアルミニウム鋳造品化することが可能な技術が提供される。【選択図】図1


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    Title :

    ALUMINUM MEMBER


    Additional title:

    アルミニウム部材


    Contributors:

    Publication date :

    2015-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B22D CASTING OF METALS , Gießen von Metallen / B22C FOUNDRY MOULDING , Gießformen / B62D MOTOR VEHICLES , Motorfahrzeuge



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