And the splash lubrication is adopted in the headstock that was overheated by the energy lost from the oil stirring during the splash lubrication.

• 主轴箱中采用飞溅式润滑,其搅油功率损失产生的热量引起主轴箱升温过高,致使主轴轴承产生间隙,影响了机床加工精度。