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

表3 设计变量的取值范围

Table 3 Value range of design variables

设计变量 取值范围 截割头转速n/(r/min) [35, 55] 回转台横摆速度v/(m/min) [1.0, 1.5] 截割臂垂直摆角ω/(°) [18, 42]