Mechanical cutting fluid and a preparation method thereof

The present invention relates to a mechanical cutting fluid and a preparation method thereof, wherein the mechanical cutting fluid is prepared from the following components by weight: 10-15 parts of oleic acid, 8-11 parts of rosin, 4-8 parts of emulsifier, 11-13 parts of a sodium hydroxide aqueous solution, 5-9 parts of disodium hydrogen phosphate, 6-12 parts of sodium petroleum sulfonate, 3-7 parts of chlorinated paraffin, 4-9 parts of lead naphthenate, 8-13 parts of triethanolamine oleic acid soap, and 20-50 parts of engine oil. According to the present invention, the mechanical cutting fluid has the improved stability, does not produce oil-water separation during the processing process, can reduce the influence on the electrical erosion production emission and the cutting speed, and can reduce the electrode wire loss. 本发明涉及种机械切割液及其制备方法，由如下重量份数的组分制成：油酸10-15份、松香8-11份、乳化剂4-8份、氢氧化钠水溶液11-13份、磷酸氢二钠5-9份、石油磺酸钠6-12份、氯化石蜡3-7份、环烷酸铅4-9份、三乙醇胺油酸皂8-13份和机油20-50份。本发明的有益效果是：该切割液稳定性得到了提高，在加工过程中不容易出现油水分离，能够减少对电蚀产物的派出与切割速度的影响，