A wheel disc, according to one aspect of the present invention, having a bolt hole for bolt fastening is divided into a first region, which extends in the circumferential direction of the bolt hole so as to have a preset width, and a second region excluding the first region, wherein the first region can be provided so as to have an average tensile strength lower than that of the second region.

    Un disque de roue, selon un aspect de la présente invention, ayant un trou de boulon pour la fixation de boulon est divisé en une première région, qui s'étend dans la direction circonférentielle du trou de boulon de façon à avoir une largeur prédéfinie, et une seconde région excluant la première région, la première région pouvant être disposée de façon à avoir une résistance à la traction moyenne inférieure à celle de la seconde région.

    본 발명의 일 측면에 따른 휠 디스크는, 볼트 체결을 위한 볼트 홀을 구비하는 휠 디스크에 있어서, 상기 휠 디스크는, 볼트 홀의 둘레방향을 따라 기 설정된 폭을 가지도록 연장되어 구비된 제1 영역; 및 상기 제1 영역 이외의 제2 영역으로 구분되며, 상기 제1 영역은 상기 제2 영역보다 낮은 평균 인장강도를 가지도록 구비될 수 있다.


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    Title :

    WHEEL DISC AND MANUFACTURING METHOD THEREFOR


    Additional title:

    DISQUE DE ROUE ET SON PROCÉDÉ DE FABRICATION
    휠 디스크 및 그 제조방법


    Contributors:
    KIM HONG-GEE (author) / SON HYUN-SUNG (author) / LEE MIN-SUNG (author) / KWON HYUK-SUN (author) / CHUNG YOUN-IL (author)

    Publication date :

    2021-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / 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



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