圆锥滚子轴承滚子/滚道副的脂润滑热成膜性能

吴正海,徐颖强,刘楷安,赵兴

Thermal film-forming ability of grease lubrication at roller-raceway pair in tapered roller bearings

Zheng–hai WU,Ying–qiang XU,Kai–an LIU,Xing ZHAO

表 1 滚道副和润滑脂的非结构参数（T0=30 °C）

Tab.1 Non-structural parameters of raceway pair and grease with temperature of 30 °C

ρ/ (kg·m−3) k/ (W·m−1·K−1) c/ (J·kg−1·K−1) ρT/ (m·K−1) φ0/ (Pa·s−n) n β/K−1 滚动体 7 850 47 460 2.25×10−5 − − − 滚道 7 850 47 460 2.25×10−5 − − − 润滑脂 872 0.140 0 1 536 6.50×10−4 6.358 0.746 8 0.035 6