A kind of preparation method of environment-friendly water-based metal cutting fluid

A cutting fluid and base metal technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of poor anti-rust performance and short service time, and achieve the effect of improving lubricating performance, excellent anti-rust effect, and no toxic side effects

Inactive Publication Date: 2016-01-20
TIANCHANG RUNDA METAL ANTIRUST AUX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is characterized in that the formula does not contain any mineral oil and vegetable oil, low cost, simple preparation, little pollution, odorless and tasteless, and still has problems such as short service life, poor lubrication and anti-rust performance; the process research of the First Automobile Manufacturing Plant "Long-life centralized lubrication synthetic cutting fluid" (patent application number 91105163.5) jointly developed by the institute and Dongliao County Emulsified Oil Factory in Jilin Province. The cutting fluid is a kind of boride, fungicide mixture, carboxylic acid and its salt synthetic cutting fluid without additives and mineral oil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A method for preparing an environment-friendly water-based metal cutting fluid. The cutting fluid consists of the following components in parts by weight: 10 parts of triethanolamine, 4 parts of glycerin, 5 parts of polyethylene glycol, and 5 parts of nano silicon dioxide. The particle size of described nano silica is 30-80 nanometers, 1.5 parts of isopropanol, 7 parts of sodium molybdate, 2 parts of sodium benzoate, 5 parts of monoethanolamine benzoate, 5 parts of disodium oxalate tetraacetate, water-soluble 8 parts of borate, 1.5 parts of sodium silicate, 2.5 parts of tolyltriazole, 70 parts of water; the preparation method of the cutting fluid comprises the following steps:

[0020] 1) Take one-third of the total water and heat it to 40°C, then add triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, disodium oxalate tetraacetate, sodium silicate, and methylbenzenetriazole in sequence , stirring and mixing for 30 minutes to prepare the mixture;

[00...

Embodiment 2

[0026] A method for preparing an environment-friendly water-based metal cutting fluid, wherein the cutting fluid consists of the following components in parts by weight: 12 parts of triethanolamine, 3 parts of glycerin, 7 parts of polyethylene glycol, 3 parts of nano silicon dioxide, The particle size of described nano silica is 30-80 nanometers, 2.5 parts of isopropanol, 5 parts of sodium molybdate, 3 parts of sodium benzoate, 3 parts of monoethanolamine benzoate, 7 parts of disodium oxalate tetraacetate, water-soluble 7 parts of borate, 2 parts of sodium silicate, 1.5 parts of tolyltriazole, 80 parts of water; the preparation method of the cutting fluid comprises the following steps:

[0027] 1) Take one-third of the total water and heat it to 50°C, then add triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, disodium oxalate tetraacetate, sodium silicate, and methylbenzenetriazole in sequence , stirring and mixing for 20 minutes to prepare the mixture;

[...

Embodiment 3

[0033] A method for preparing an environmentally friendly water-based metal cutting fluid, wherein the cutting fluid consists of the following components in parts by weight: 11 parts of triethanolamine, 3.5 parts of glycerin, 6 parts of polyethylene glycol, 4 parts of nano silicon dioxide, The particle size of described nano silica is 30-80 nanometers, 2 parts of isopropanol, 6 parts of sodium molybdate, 2.5 parts of sodium benzoate, 4 parts of monoethanolamine benzoate, 6 parts of disodium oxalate tetraacetate, water-soluble 7.5 parts of borate, 1.8 parts of sodium silicate, 2 parts of tolyltriazole, 75 parts of water; the preparation method of the cutting fluid comprises the following steps:

[0034] 1) Take one-third of the total water and heat it to 45°C, then add triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, disodium oxalate tetraacetate, sodium silicate, and methylbenzenetriazole in sequence , stirring and mixing for 25 minutes to prepare the mixtu...

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Abstract

The invention discloses a preparation method of an environment-friendly water-based metal cutting fluid. The preparation method comprises the steps that: (1) 1 / 3 of a total amount of water is heated to a temperature of 40-50 DEG C; triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, ethylene disodium tetraacetate, sodium silicate, and methyl benzotriazole are sequentially added into the water; the mixture is mixed by stirring for 20-30min, such that a mixture is prepared; (2) sodium benzoate and monoethanolamine benzoate are added into the mixture, and the mixture is stirred for 20-30min; (2) 1 / 3 of a total amount of water is heated to a temperature of 70-80 DEG C; glycerin and water-soluble borate are added to the water, and the mixture is stirred for 10-20min; (4) the solution obtained in the step (3) is mixed with the mixture obtained in the step (2), and the mixture is mixed by stirring for 30-40min under a temperature of 50-60 DEG C; and (5) nano-grade silica is added into the mixed solution obtained in the step (4); and the mixture is stirred for 2-4h, such that the cutting fluid is obtained.

Description

technical field [0001] The invention relates to the technical field of metal cutting, in particular to a preparation method of an environment-friendly water-based metal cutting fluid. Background technique [0002] Cutting fluid is widely used in the process of metal cutting, and its role is to cool, lubricate, clean, and prevent rust of metal parts. The cutting fluid used in my country's machinery industry is developed from the formula introduced from the former Soviet Union. It is an oil-based emulsion, which belongs to a mixed aqueous solution. Its ingredients contain more or less sodium nitrite, which has certain toxic and side effects for users; use In the process, it is easy to deteriorate, the smell is serious, and the environment is polluted. With the continuous progress and development of the machinery industry, the cutting speed of metal cutting equipment continues to increase. The development of machinery also puts forward higher requirements for the precision and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/02C10N40/22C10N30/12C10N30/06
Inventor 林伟江海涛江海波江浩
Owner TIANCHANG RUNDA METAL ANTIRUST AUX
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