To obtain die-cast products of stable quality.SOLUTION: This hollow die-cast product (die-casted subframe 50) has an opening 51 at the center, and a frame-shaped part 52 surrounding the opening 51. In this type of die-casting apparatus for die-casting the hollow die-cast product 50, a pouring port 1b used in filling molten metal 2 is disposed below a cavity 1a, with respect to the cavity 1a formed in a die-casting mold 1 having a stationary mold 10 and a movable mold 20 capable of advancing and retreating relative to the stationary mold 10. Further, the die-casting apparatus is constituted to have a main runner 62 that is disposed upward from the pouring port 1b. The main runner 62 is introduced so that its tip is placed at a formation position of the opening 51, and from the tip of the main runner 62, a plurality of runners are formed and connected to an inner peripheral surface of the frame-shaped part 52.SELECTED DRAWING: Figure 8

    【課題】安定した品質のダイカスト製品を得る。【解決手段】この中空ダイカスト品(ダイカスト製サブフレーム50)は、中央に開口部51を有するとともに当該開口部51を取り囲む枠形状部52を有する。当該中空ダイカスト品50をダイカスト鋳造するダイカスト装置は、固定型10と、当該固定型10に対して進退可能な可動型20とを有するダイカスト用金型1に形成されるキャビティ1aに対し、溶湯2を充填するための鋳込口1bがキャビティ1aの下方に配置された形式のものであり、鋳込口1bから上方に向けてメインランナー62が設けられ、当該メインランナー62の先端が開口部51の形成位置に配置されるように導入され、当該メインランナー62の先端から複数の湯道が形成されて枠形状部52の内周面に接続するように構成される。【選択図】図8


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    Title :

    HOLLOW DIE-CAST PRODUCT, AND DIE-CASTING METHOD


    Additional title:

    中空ダイカスト品、ダイカスト法


    Contributors:

    Publication date :

    2020-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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