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2 Q235钢材料参数
Table 2 Material parameters of Q235 steel
材料参数数值
密度/(kg/m3)7 850
屈服强度/MPa235
拉伸极限/MPa375
弹性模量/GPa206
泊松比0.3