oil bath air cleaner

The 80 steel quenched by oil at the temperature of 800°C is tempered by oil bath and alkaline bath,respectively.

高碳钢的回火通常使用油浴,然而因油浴存在黏度高、易粘附工件表面、极不易清洗等问题,需要研制另一种较清洁的介质取代之。