掘进机主轴承疲劳磨损竞争失效机制的寿命分析
那鹏越, 毋振, 刘奇, 霍军周
Life Analysis of Wear Fatigue Competition Failure Mechanism of Main Bearing of Boring Machine
NA Pengyue, WU Zhen, LIU Qi, HUO Junzhou
表1
寿命模型相关参数
Tab.1
Related parameters of life model
参数
取值
k
1×10
-7
H
/(N·mm
-2
)
620
τ
R
/MPa
6 113
m
10.1
弹性模量,
E
/MPa
2.1×10
5
泊松比,
ν
0.3