The effeciency of oil-air lubrication used in hot tandem of SWA was expounded by comparing oil-air lubrication to oil-mist lubrication.

• 介绍了油气润滑的原理及特点,通过油气润滑与油雾润滑的比较,阐述了油气润滑在西南铝热连轧线上的效果。