OIL COMPOSITION FOR METAL WORKING, METHOD FOR METAL WORKING, AND METAL WORK

摘要

An oil composition for metal working to be used in metal working with minimal quantity lubrication, which comprises both a base oil selected from the group consisting of natural oils and fats, derivatives thereof, and synthetic ester oils and a phospholipid; a method of metal working with the composition; and metal work. The oil composition is excellent in lubricity and suitable for working of metal materials such as cast iron, steel, and stainless steel with minimal quantity lubrication.