| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a metalworking oil agent composition that has excellent lubrication property and is suitable for metalworking of metallic materials such as cast iron, steel, stainless steel and the like by the extremely trace amount of oil-feeding type metalworking method, a metalworking method and the metal work therefrom. <P>SOLUTION: The metalworking oil composition to be used for the extremely trace amount of oil-feeding type metalworking method includes a base oil selected from the group consisting of natural fat and oil, derivatives thereof, synthetic ester oil and phospholipid. The metalworking method and the metalwork obtained by using the same. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
