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6 回转台疲劳寿命的仿真值与预测值对比
Table 6 Comparison between simulated and predicted fatigue life of rotary platform
样本点最大应力循环数N/次相对误差/%
仿真值预测值
1391 810432 2129.3
2479 110510 9346.2
3708 921773 2128.3
41 090 605992 2869.9
51 690 8771 897 63010.9
62 527 5912 313 5609.2
74 321 3003 993 3408.2