交叉内筋薄壁筒体错距旋压成形数值仿真
周宇, 赵勇, 于忠奇, 赵亦希

Numerical Simulation of Stagger Spinning of Cylindrical Part with Cross Inner Ribs
ZHOU Yu, ZHAO Yong, YU Zhongqi, ZHAO Yixi
图7 左右旋筋的定义
Fig.7 Definition of left and right spiral ribs