PROBLEM TO BE SOLVED: To provide an aluminum die-cast steering column which is further higher in torsion fracture rigidity.SOLUTION: An aluminum die-cast steering column is used in a sleeve-type die-cast method, and comprises an accommodation part 1A which accommodates molten metal, and a pouring part 2 which pours the molten metal accommodated in the accommodation part 1A. The steering column is used in a steering block part of a steering wheel for an automobile which is manufactured by using a ladle 1 having an obstacle 5 in the pouring part 2 of a die-casting metal supply device which supplies the molten metal into a sleeve by pouring the molten metal toward a metal supply port of the sleeve from the pouring part 2 by being inclined to the pouring part 2 side. The steering column has an isometric ferrite structure whose grain size is not smaller than 15 μm.SELECTED DRAWING: Figure 3

    【課題】捻り破断強度がより高いアルミダイカスト製ステアリングコラムを提供する。【解決手段】スリーブ式ダイカスト法で用いられ、溶湯を収容する収容部1Aと、収容部1Aに収容される溶湯を注出するための注湯部2と、を備え、注湯部2側へ傾けることで前記溶湯を注湯部2からスリーブの給湯口に向けて注出して前記スリーブの内部に供給するダイカスト用給湯装置の注湯部2に障害物5が設けられたラドル1を用いて作製される、自動車用ステアリングのステアリングロック部で使用され、粒径が15μm以下の等軸なフェライト組織を有するアルミダイカスト製ステアリングコラムである。【選択図】図3


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    Title :

    ALUMINUM DIE-CAST STEERING COLUMN


    Additional title:

    アルミダイカスト製ステアリングコラム


    Contributors:

    Publication date :

    2016-06-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B22D CASTING OF METALS , Gießen von Metallen / B62D MOTOR VEHICLES , Motorfahrzeuge



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