The present invention relates to a shaft joint of a universal joint for automobiles and a manufacturing method thereof, which can be easily fixed to a rack when the shaft joint is heat treated. The method for manufacturing the shaft joint of the universal joint for automobiles of the present invention comprises: a process of inserting a material into a die and pressurizing and plastic deforming the material with a punch to form a shaft unit; a process of forming a spline on the outer side of the shaft unit; a process of forming a flange unit at one side end of the shaft unit to fix the shaft unit to a rack for heat treatment of the shaft unit; and a heat treatment process of performing heat treatment on the shaft unit while the flange unit formed on the shaft unit is fixed to the rack.

    본 발명은 샤프트조인트에 열처리를 할 때 랙에 간단하게 고정시킬 수 있는 자동차용 유니버설 조인트의 샤프트조인트 및 그 제조방법에 관한 것이다. 본 발명의 자동차용 유니버설 조인트의 샤프트조인트 및 그 제조방법은 소재를 다이스에 삽입하고 펀치로 가압 소성 변형시켜 샤프트부를 성형하는 공정; 상기 샤프트부의 외측에 스플라인을 성형하는 공정; 상기 샤프트부의 열처리를 위하여 샤프트부를 랙에 걸어 고정시킬 수 있도록 샤프트부의 일측단부에 플랜지부를 형성하는 공정; 상기 샤프트부에 형성된 플랜지부를 랙에 걸어 고정한 상태로 샤프트부에 열처리를 행하는 열처리 공정; 을 포함하는 자동차용 유니버설 조인트의 샤프트조인트 제조방법을 제공한다.


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    Title :

    SHAFT JOINT OF UNIVERSAL JOINT FOR VEHICLE AND MANUFACTURING METHOD THEREOF


    Additional title:

    자동차용 유니버설 조인트의 샤프트조인트 및 그 제조방법


    Contributors:

    Publication date :

    2020-01-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B62D MOTOR VEHICLES , Motorfahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS



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