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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 short service time and poor anti-rust performance, and achieve excellent anti-rust effect, improve lubricating performance, and good suspension performance.

Inactive Publication Date: 2012-10-24
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 preparation method of environmentally friendly water-based metal cutting fluid. The cutting fluid is composed 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-silica. The particle size of the nano-silica is 30-80 nanometers, 1.5 parts of isopropanol, 7 parts of sodium molybdate, 2 parts of sodium benzoate, 5 parts of benzoic acid monoethanolamine, 5 parts of disodium oxalate tetraacetic acid, 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 includes the following steps:

[0020] 1) Take one third of the total water and heat it to 40°C, and add triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, disodium oxalate, sodium silicate, tolytriazole in sequence , Stir and mix for 30 minutes to prepare a mixture;

[0021] 2) Add sodium benzoate and benzoic acid ...

Embodiment 2

[0026] A preparation method of environmentally friendly water-based metal cutting fluid. The cutting fluid is composed of the following components in parts by weight: 12 parts of triethanolamine, 3 parts of glycerin, 7 parts of polyethylene glycol, and 3 parts of nano-silica. The particle size of the nano-silica is 30-80 nm, 2.5 parts of isopropanol, 5 parts of sodium molybdate, 3 parts of sodium benzoate, 3 parts of benzoic acid monoethanolamine, 7 parts of disodium oxalic acid tetraacetic acid, 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 includes the following steps:

[0027] 1) Take one third of the total water and heat it to 50°C, add triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, disodium oxalate, sodium silicate, tolytriazole in sequence , Stir and mix for 20 minutes to prepare a mixture;

[0028] 2) Add sodium benzoate and benzoic acid monoethano...

Embodiment 3

[0033] A preparation method of environmentally friendly water-based metal cutting fluid. The cutting fluid is composed of the following components in parts by weight: 11 parts of triethanolamine, 3.5 parts of glycerin, 6 parts of polyethylene glycol, and 4 parts of nano-silica. The particle size of the nano-silica is 30-80 nanometers, 2 parts of isopropanol, 6 parts of sodium molybdate, 2.5 parts of sodium benzoate, 4 parts of benzoic acid monoethanolamine, 6 parts of disodium oxalate tetraacetic acid, 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 includes the following steps:

[0034] 1) Take one third of the total water and heat it to 45°C, add triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, disodium oxalate, sodium silicate, tolytriazole in sequence , Stir and mix for 25 minutes to prepare a mixture;

[0035] 2) Add sodium benzoate and benzoic acid mo...

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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 processing, in particular to a preparation method of environmentally friendly water-based metal cutting fluid. Background technique [0002] Cutting fluid is widely used in the metal cutting process, and its function is to cool, lubricate, clean, and prevent rust of metal parts. The cutting fluid used in my country's machinery industry is developed from a formula introduced from the former Soviet Union. It is an oil-based emulsion and is a mixed aqueous solution. Its ingredients contain more or less sodium nitrite, which has certain toxic side effects to users; In the process, it is prone to deterioration, serious smell, and environmental pollution. With the continuous progress and development of the machinery industry, the cutting speed of metal cutting equipment continues to increase. The development of machinery puts forward higher requirements on the accuracy and performance of mechanical par...

Claims

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Application Information

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Patent Type & Authority Applications(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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