METAL WORKING OIL COMPOSITION

摘要

PROVIDED IS A METAL WORKING OIL COMPOSITION NOT CONTAINING A CHLORINE COMPOUND. ITS WORKING CAPALITIES IN LOW-SPEED CUTTING OR HEAVY CUTTING OPERATIONS SUCH AS BROACHING OR GUN-DRILLING OPERATIONS ARE COMPARABLE TO OR BETTER THAN THOSE OF CHLORINE COMPOUND-CONTAINING LUBRICANT OIL. THE COMPOSITION COMPRISES 100 PARTS BY WEIGHT OF A LUBRICANT BASE OIL THAT COMPRISES FROM 0 TO 30% BY WEIGHT OF (A) A MINERAL BASE OIL AND FROM 70% TO 100% BY WEIGHT OF (B) A 7N ELECTRON-CONTATINING SYNTHETIC BASE OIL, FROM 0.1 TO 25 PARTS BY WEIGHT OF (C) A SULFUR-CONTAINIG EXTREME-PRESSURE AGENT, AND FROM 0.1 TO 7 PARTS BY WEIGHT OF (D) AN ALKALI METAL AND/OR ALKALINE EARTH METAL SULFONATE.