WATER-SOLUBLE METAL WORKING FLUID, METAL WORKING LIQUID AND METAL WORKING METHOD

• Main Authors: JIDO YOICHIRO, TAKAGI FUMIAKI
• Format: Patent
• Language: English; Japanese
• Published: 19.05.2016
• Subjects: CHEMISTRY; FUELS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

PROBLEM TO BE SOLVED: To provide a water-soluble metal working fluid capable of exhibiting excellent workability to a difficult-to-work material and enabling life of tools to extend.SOLUTION: There is provided the water-soluble metal working fluid containing: an A component which is polyol ester with a predetermined carboxylic acid, satisfies characteristic temperature measured according to JIS K2242 of 570°C or more and contained in an amount of 10 mass% or more based on the total amount of the water-soluble metal working fluid; a B component which is a condensed aliphatic acid (1) obtained by dehydration condensation of hydroxycarboxylic acid, or the like and has an acid value of 40 mgKOH/g or less and a characteristic temperature measured according to JIS K2242 of 650°C or more and which is contained in an amount of 7.5 mass% or more based on the total amount of the water-soluble metal working fluid; a C component which is a carboxylic acid and contained in an amount of 2 mass% or more based on the total amount of the water-soluble metal working fluid; and a D component which is a basic compound and contained in an amount of a neutralization equivalent content for neutralizing the acid value of sum of at least B component and C component.SELECTED DRAWING: None 【課題】難加工材に対して、優れた加工性を発揮でき、工具の寿命を延ばすことが可能な水溶性金属加工油剤を提供する。【解決手段】所定のカルボン酸とのポリオールエステルであり、かつＪＩＳ Ｋ２２４２に基づいて測定される特性温度が５７０℃以上を満たし、水溶性金属加工油剤の全量に対して１０質量％以上含まれるＡ成分、ヒドロキシカルボン酸を脱水縮合させることにより得られる縮合脂肪酸（１）等の酸価が４０ｍｇＫＯＨ／ｇ以下の縮合脂肪酸であり、ＪＩＳ Ｋ２２４２に基づいて測定される特性温度が６５０℃以上であり、水溶性金属加工油剤の全量に対して７．５質量％以上含まれるＢ成分、カルボン酸であり、水溶性金属加工油剤の全量に対して２質量％以上含まれるＣ成分、及び、塩基性化合物であり、少なくともＢ成分とＣ成分との和の酸価を中和する中和当量分含まれるＤ成分を含む水溶性金属加工油剤。【選択図】なし