WHEEL DISK MANUFACTURING METHOD FOR VEHICLE

摘要

According to an embodiment of the present invention, a method to manufacture a wheel disc for a vehicle comprises: a blank preparation step of forming a blank by welding a circular inner plate unit to a center of a donut-shaped outer plate unit having a thickness different from that of the inner plate unit; and a spoke forming step of forming a spoke unit connecting an outer portion connected to a rim where a tire is formed to a shaft connection unit connected to a vehicle body.