掘进机回转台疲劳寿命预测及影响因素研究

田立勇,张佳豪,于宁,于晓涵,张硕

Study on fatigue life prediction and influencing factors of roadheader rotary platform

Liyong TIAN,Jiahao ZHANG,Ning YU,Xiaohan YU,Shuo ZHANG

图8 Q235钢的 S — N 曲线

Fig.8 S-N curve of Q235 steel