PURIFICATION METHOD FOR WATER-SOLUBLE CUTTING LIQUID AND PURIFICATION DEVICE USED FOR THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a purification method for water-soluble cutting liquid for sterilizing the water-soluble cutting liquid without using additives and distilling the water-soluble cutting liquid, and also provide a purification device used for the same. SOLUTION: The water-soluble cutting liquid used in a machining tool is heated in a temperature range of 60-70°C under an atmospheric pressure for 30 minutes or more. COPYRIGHT: (C)2004,JPO