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Metalworking fluid

A technology of metal processing oil and ester oil, which is applied in the petroleum industry, base materials, lubricating compositions, etc., can solve problems such as additive corrosion or erosion, and achieve the effect of improving processing efficiency and excellent characteristics

Inactive Publication Date: 2007-02-28
NIPPON OIL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in the case of using water-insoluble cutting oil, there are hidden dangers of fire and problems of corrosion or erosion caused by additives, and it is difficult to completely replace water-soluble cutting oil.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～21、 comparative example 1～2

[0247] In Examples 1 to 21 and Comparative Examples 1 to 2, metalworking oils having the compositions shown in Tables 1 to 6 were prepared using the base oils and additives shown below, respectively. Tables 1 to 6 also show the kinematic viscosity at 40° C. and the water content of the obtained metalworking oils. In addition, for base oil A4, its fatty acid composition and total unsaturation are shown in Table 7.

[0248] (base oil)

[0249] A1: Triester formed by trimethylolpropane and oleic acid (dynamic viscosity at 40°C: 46mm 2 / s)

[0250] A2: Diester formed by neopentyl glycol and oleic acid (dynamic viscosity at 40°C: 24mm 2 / s)

[0251] A3: Diester formed by isodecyl alcohol and adipic acid (dynamic viscosity at 40°C: 14mm 2 / s)

[0252] A4: High oleic rapeseed oil (dynamic viscosity at 40°C: 39mm 2 / s)

[0253] B1: Hydrogenated product of 1-decene dimer (dynamic viscosity at 40°C: 4.5mm 2 / s)

[0254] B2: Hydrogenated product of 1-decene trimer (dynamic visc...

Embodiment 22～36、 comparative example 3～8

[0297] In Examples 22 to 36 and Comparative Examples 3 to 8, the base oils and additives shown below were used respectively, and the water content was adjusted to prepare metalworking oils having the compositions and water contents shown in Tables 8 to 13. In addition, the compositions of the metalworking oils are shown in Tables 8 to 13, wherein the total amount of the base oil and additive content and the water content is 100% by mass. In addition, Tables 8 to 13 also show the kinematic viscosities at 40° C. of the obtained metal working oils. in addition,

[0298] The fatty acid composition and total unsaturation of base oil A4 are shown in Table 7 above.

[0299] (ester oil)

[0300] A5: A mixed ester of a triester formed from trimethylolpropane and oleic acid and a diester formed from neopentyl glycol and oleic acid (dynamic viscosity at 40°C: 32mm 2 / s)

[0301] A3: Diester formed by isodecyl alcohol and adipic acid (dynamic viscosity at 40°C: 14mm 2 / s)

[0302] A...

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Abstract

A first metalworking fluid of the present invention is characterized by containing an ester oil and a hydrocarbon oil having a kinematic viscosity of 1-20 mm<2> / s at 40 1 / 2 C. A second metalworking fluid of the present invention is characterized in that it contains an ester oil as the base oil and has a moisture content of 200-20,000 ppm. The first and second metalworking fluids are excellent in characteristics of a water-insoluble oil solution for nonferrous metalworking and also excellent in characteristics of an oil solution for cutting / grinding wherein a very slight amount of the oil solution is supplied. These metalworking fluids enable to improve the processing efficiency, and also enable to make life of a processing tool longer.

Description

【Technical field】 [0001] This invention relates to metalworking oils. 【Background technique】 [0002] In the process of cutting and grinding, in order to prolong the life of tools such as drills, end mills, cutting knives, and grinding tools used in processing, to improve the surface roughness of the workpiece, and to use them to improve processing efficiency In machining operations, cutting and grinding oils are generally used to improve productivity. [0003] There are two types of cutting and grinding oils. One is a water-soluble cutting and grinding oil that is used after diluting surfactants and lubricating components with water. The other is a mineral oil-based oil that is directly used as a lubricant. Water-insoluble cutting and grinding oil used as stock solution. In general, water-insoluble cutting and grinding oils have excellent lubricating properties, while water-soluble cutting and grinding oils have excellent cooling properties. [0004] Although cutting and...

Claims

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Application Information

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IPC IPC(8): C10M101/04C10M101/00C10M105/00C10M105/32C10M111/02C10M111/04C10M101/02C10M105/02C10M107/02C10N30/00C10N30/06C10N40/20C10N50/04C10M169/04C10N40/22C10N40/24C10N50/00
Inventor 须田聪横田秀雄井比政则
Owner NIPPON OIL CO LTD
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