| 摘要 |
PURPOSE:The titled water-soluble oil, containing specific amounts of an inert sulfur based extreme-pressure agent, an active sulfur based extreme-pressure agent and an organic phosphorus-containing compound, and capable of improving the cutting and grinding efficiency, working accuracy and tool life. CONSTITUTION:A cutting and grinding oil obtained by adding (A) 0.5-10wt%, preferably 0.8-1.2wt%, expressed in terms of sulfur content, inert sulfur based extreme-pressure agent, preferably a sulfur-containing fatty acid ester, (B) an active sulfur based extreme-pressure agent, preferably molybdenum oxysulfide organophosphorodithioate in an amount of 0.5XX-3XX% (0<=X<=1), preferably 0.5<=X-1XX% expressed in terms of sulfur content and/or (C) an organic phosphorus-containing compound, preferably a phosphoric (or phosphorous) acid ester in an amount of 0.1X(1-X)-3X(1-X)%, preferably 0.2X(1-X)-0.5X(1-X)% expressed in terms of phosphorus content to a base consisting of a lubricant and an emulsifying agent. |
