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.
根据本发明的一个方面,具有用于螺栓紧固的螺栓孔的轮盘被划分为在螺栓孔的周向方向上延伸成具有预定宽度的第一区域和除第一区域之外的第二区域,其中,第一区域可以设置成具有比第二区域的平均抗拉强度低的平均抗拉强度。
WHEEL DISC AND MANUFACTURING METHOD THEREFOR
轮盘以及该轮盘的制造方法
01.02.2022
Patent
Elektronische Ressource
Chinesisch