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Grinding fluid special for elid grinding composite materials and preparation method thereof

A composite material and grinding fluid technology, which is applied in lubricating compositions, petroleum industry, etc., can solve problems such as inability to realize mirror-level ultra-precision machining, uneven surface quality of processed parts, and inability to meet practical application requirements, etc., to reduce Scratch, improve the surface quality of processing, good cooling effect

Active Publication Date: 2021-11-26
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problems of low processing removal rate, uneven surface quality of the workpiece, many processing defects, serious burns, and severe blockage of the grinding wheel after the existing common grinding fluid is used to process composite materials, and it is impossible to achieve mirror-level ultra-thin grinding. Precision machining, can not meet the actual application requirements and other issues

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] The preparation method of special grinding fluid, concrete steps are as follows:

[0035] ①Heat 1 / 3 of the total amount of deionized water to 40-55°C, then add mercaptopropyltrimethoxysilane, dodecenylsuccinic acid diethanolamide, simethicone, molybdenum disulfide, dimethicone Zinc alkyldithiophosphate, nonylphenol ethoxylates, fatty alcohol ethoxylates, tricresyl phosphate, sulfurized fatty acid esters, diethanolamine, triethanolamine, lauric acid, polyethylene glycol, methylbenzene And triazole, naphthenate, stirring and mixing for 30 to 40 minutes to obtain a mixture.

[0036] ② Add emulsified silicone oil, morpholine derivatives, and sodium phosphate to the mixture in step ①, and stir for 25-30 minutes;

[0037] ③ Take 1 / 3 of the total amount of deionized water, heat it to 75-85°C, add engine oil and soybean oil, and stir for 15-25 minutes;

[0038] ④ Mix the mixture obtained in step ② with the mixture obtained in step ③, and stir and mix at 55-65°C for 40-50 minu...

Embodiment 2

[0041] According to the following mass fractions: 2% engine oil, 2.4% soybean oil, 0.2% mercaptopropyl trimethoxysilane, 0.3% dodecenyl succinic acid diethanolamide, 1.6% dimethyl silicone oil, 1.5 % molybdenum disulfide, 2.3% zinc dialkyl dithiophosphate, 2.1% nonylphenol polyoxyethylene ether, 3.4% fatty alcohol polyoxyethylene ether, 0.5% emulsified silicone oil, 0.8% morpholine Derivatives, 2.5% boric acid, 0.4% methyl benzotriazole, 0.8% naphthenate, 4.2% tricresyl phosphate, 3% sulfurized fatty acid ester, 0.5% diethanolamine, 0.5 % triethanolamine, 1.3% lauric acid, 0.5% polyethylene glycol, 0.6% sodium phosphate, and 69.6% deionized water.

[0042] The preparation method of special grinding fluid, concrete steps are as follows:

[0043] ①Heat 1 / 2 of the total amount of deionized water to 35-45°C, then add mercaptopropyltrimethoxysilane, dodecenylsuccinic acid diethanolamide, simethicone, molybdenum disulfide, dimethicone Zinc alkyldithiophosphate, nonylphenol ethoxylat...

Embodiment 3

[0049] According to the following mass fractions: 4% engine oil, 2.5% soybean oil, 0.3% mercaptopropyltrimethoxysilane, 0.3% dodecenylsuccinic acid diethanolamide, 2% simethicone oil, 1.8 % molybdenum disulfide, 3.4% zinc dialkyl dithiophosphate, 3% nonylphenol polyoxyethylene ether, 3.2% fatty alcohol polyoxyethylene ether, 0.7% emulsified silicone oil, 1.1% morpholine Derivatives, 3% boric acid, 0.6% methyl benzotriazole, 0.9% naphthenate, 4.8% tricresyl phosphate, 5.2% sulfurized fatty acid ester, 0.7% diethanolamine, 0.7 % triethanolamine, 1.5% lauric acid, 0.7% polyethylene glycol, 0.8% sodium phosphate, and 58.8% deionized water.

[0050] The preparation method of special grinding fluid, concrete steps are as follows:

[0051] ① Take 1 / 4 of the total amount of deionized water, heat it to 80-90°C, add engine oil and soybean oil, and stir for 20-30 minutes;

[0052] ②Heat 3 / 4 of the total amount of deionized water to 35~45°C, then add mercaptopropyltrimethoxysilane, dode...

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PUM

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Abstract

The invention discloses a special grinding fluid for ELID grinding composite materials and a preparation method thereof, which belongs to the field of precision ultra-precision on-line electrolytic dressing and grinding. The composition of the grinding fluid is: including engine oil, soybean oil, mercaptopropyltrimethoxysilane, dodecenylsuccinic acid diethanolamide, simethicone oil, molybdenum disulfide, zinc dialkyldithiophosphate , nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, emulsified silicone oil, morpholine derivatives, boric acid, methyl benzotriazole, naphthenate, tricresyl phosphate, sulfurized fatty acid ester, di Ethanolamine, triethanolamine, lauric acid, polyethylene glycol, sodium phosphate, and deionized water. In addition to the characteristics of ordinary grinding fluid, this grinding fluid also has the functions of electrolytic removal and sharpening of the grinding wheel, which can keep the abrasive grains in the grinding wheel with good cutting performance and solve the removal rate of composite materials during processing Low, built-up edge, low machining surface quality and low precision.

Description

technical field [0001] The invention relates to a special grinding fluid for ELID grinding technology suitable for the field of precision and ultra-precision grinding of composite materials. The grinding fluid can form a layer of dense oxide film on the grinding wheel and metal surface, so that the machine tool, workpiece and cutting tool can be protected from the corrosion of the surrounding cut-off. The grinding fluid has high processing efficiency, low cost and high removal rate, so that the surface processing quality of the workpiece is good and the processing precision is high. At the same time, the grinding fluid is green and pollution-free, harmless to the human body and the environment, meets the needs of precision ultra-precision online electrolytic trimming and mirror processing of workpieces, and is widely used in precision machining of composite materials. Background technique [0002] Compared with ordinary materials, composite materials have good impact resist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10N30/04C10N30/06C10N30/12C10N40/22
CPCC10M169/048C10M2201/066C10M2201/085C10M2207/126C10M2207/16C10M2207/401C10M2209/104C10M2209/108C10M2215/042C10M2215/082C10M2215/223C10M2215/226C10M2219/024C10M2223/04C10M2223/045C10M2227/04C10M2229/04C10M2229/041C10N2030/04C10N2030/06C10N2030/12C10N2040/22C10N2010/02C10N2010/04
Inventor 关佳亮张龙月刘书君杨洋
Owner BEIJING UNIV OF TECH
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