切削液被广泛使用于金属切削加工,分非水溶性及水溶性两类。后者又可分为乳剂型及溶解型。非水溶性切削液中的矿物油,对皮肤有损害,且含有致癌性多环芳烃。因而,从五十年代起,人们就开始致力于水溶性切削液的开发,使用日益广泛。但近年来又证实水溶性 Cutting fluid is widely used in metal cutting, sub-water-soluble and water-soluble two types. The latter can be divided into emulsion and dissolved type. Non-water-soluble cutting fluid mineral oil, damage to the skin, and contains carcinogenic polycyclic aromatic hydrocarbons. Thus, from the fifties onwards, people began to focus on the development of water-soluble cutting fluid, the increasingly widespread use. However, water solubility has been confirmed in recent years