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Environment-friendly semisynthetic cutting fluid for titanium alloys as well as preparation method and application of cutting fluid

An environmentally friendly, titanium alloy technology, applied in lubricating compositions, petroleum industry, etc., can solve the problems of the surface quality of titanium alloy workpieces being difficult to meet process requirements, endangering environmental safety and human health, and short tool life, avoiding stress. Corrosion problems, reducing environmental and human hazards, and prolonging tool life

Inactive Publication Date: 2015-12-23
GUANGZHOU MECHANICAL ENG RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are still some problems in the performance of cutting fluids available in the market for titanium alloy processing. The main disadvantages are: first, the poor lubricating performance, which leads to serious sticking of the tool during processing, short service life of the tool, and the surface of the processed titanium alloy workpiece The quality is difficult to meet the process requirements, which affects the production cost; second, the domestic titanium alloy cutting fluid is generally still using toxic and harmful substances such as mineral oil, sulfur, phosphorus, chlorine, boron, phenol, formaldehyde, secondary amines, heavy metals, sodium nitrite, etc., endangering Environmental Safety and Human Health

Method used

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  • Environment-friendly semisynthetic cutting fluid for titanium alloys as well as preparation method and application of cutting fluid
  • Environment-friendly semisynthetic cutting fluid for titanium alloys as well as preparation method and application of cutting fluid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of environment-friendly titanium alloy semi-synthetic cutting fluid, is made up of following components by mass percentage: fatty acid isopropyl ester 20%, isomeric stearic acid 6%, high molecular weight polyester (average relative molecular mass M a 700-7000 Daltons) 10%, monoethanolamine 5%, triethanolamine 5%, isooctanoic acid 1%, sebacic acid 1%, triazine triaminocaproic acid 1%, alkyl succinic anhydride 1%, 2- Amino-2-methyl-1-propanol 2%, castor oil polyoxyethylene ether dioleate 6%, oleyl alcohol polyoxyethylene ether 5%, polyisobutylene succinic anhydride derivative 4%, direct alkyl ether Carboxylic acid 1%, 2-butyl octanol 1%, 1,2-benzisothiazolin-3-one (BIT) 1.5%, n-butyl-1,2-benzisothiazolin-3- Ketone (BBIT) 0.5%, water balance.

[0030] Preparation method: first add water, monoethanolamine, triethanolamine, 2-amino-2-methyl-1-propanol, isooctanoic acid, sebacic acid, triazine triaminocaproic acid, and alkyl succinic anhydride into the reaction kettle...

Embodiment 2

[0033] A kind of environmentally friendly titanium alloy semi-synthetic cutting fluid, is made up of following components by mass percentage: fatty acid isobutyl ester 22%, dimer acid 6%, high molecular weight polyester (average relative molecular mass M a 700-7000 Daltons) 9%, monoethanolamine 5%, diethanol monoisopropanolamine 6%, isononanoic acid 1%, undecanedioic acid 1%, triazine triaminocaproic acid 1%, Alkyl succinic anhydride 2%, 3-amino-4-octanol 2.5%, castor oil polyoxyethylene ether dioleate 10%, fatty alcohol alkoxylate 4%, polymer surfactant 2%, branched chain Alkyl ether carboxylic acid 1.5%, 2-butyldecanol 1.5%, N-methyl-1,2-benzisothiazolin-3-one (MBIT) 2%, 3-iodo-2-propynyl Butyl carbamate (IPBC) 0.5%, water balance.

[0034]Preparation method: First add water, monoethanolamine, diethanolmonoisopropanolamine, 3-amino-4-octanol, isononanoic acid, undecanedioic acid, triazine triaminocaproic acid, and alkyl succinic anhydride Stir in the reaction kettle at roo...

Embodiment 3

[0037] A kind of environmentally friendly titanium alloy semi-synthetic cutting fluid, is made up of following components by mass percentage: fatty acid isooctyl ester 24%, trimer acid 4%, high molecular weight polyester (average relative molecular mass M a 700-7000 Daltons) 8%, one isopropanolamine 6%, triethanolamine 6%, neodecanoic acid 1%, lauric acid 1%, triazine triaminocaproic acid 2%, alkyl succinic anhydride 2 %, 2-amino-1-butanol 3%, oleyl alcohol polyoxyethylene ether 6%, castor oil ethoxylate 8%, polyisobutylene succinic anhydride derivatives 4%, aralkyl ether carboxylic acid 2%, 2 - Hexyl octanol 2%, n-butyl-1,2-benzisothiazolin-3-one (BBIT) 2.5%, sodium pyrithione (SPT) 0.5%, water balance.

[0038] Preparation method: first add water, monoisopropanolamine, triethanolamine, 2-amino-1-butanol, neodecanoic acid, lauric acid, triazine triaminocaproic acid, and alkyl succinic anhydride into the reaction kettle, Stir at room temperature for 60-90 minutes until unifor...

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Abstract

The invention belongs to the field of metal processing fluids and discloses an environment-friendly semisynthetic cutting fluid for titanium alloys as well as a preparation method and an application of the cutting fluid. The cutting fluid comprises components in percentage by mass as follows: 20%-30% of base oil, 4%-6% of a lubricant, 6%-10% of an extreme pressure agent, 10%-15% of mixed alcohol amine, 4%-8% of an anti-rusting agent, 2%-4% of a pH (potential of hydrogen) stabilizer, 15%-25% of a surfactant, 1%-2% of a hard water stabilizer, 1%-3% of a coupling agent, 2%-4% of a sterilizing mildew preventive and the balance of water. The cutting fluid doesn't contain mineral oil, sulfur, phosphorus, chlorine, boron, phenol, formaldehyde, secondary amine, heavy metals, sodium nitrite and other poisonous and harmful substances and is environment-friendly. The cutting fluid has excellent extreme pressure performance for lubrication, rust prevention and corrosion prevention performance and hard water stability and long service life, and can meet requirements of cutting processing including turning, milling, boring, drilling, tapping and the like of various titanium alloys, the titanium alloy processing efficiency can be improved by 40%, and the service life of a cutting is prolonged by 30%.

Description

technical field [0001] The invention belongs to the field of metal working fluids, and in particular relates to an environment-friendly titanium alloy semi-synthetic cutting fluid and its preparation method and application. Background technique [0002] Titanium alloy materials have become one of the most important engineering materials in the aerospace industry due to their small specific gravity and high strength, especially at high temperatures of 300-400 ° C and high corrosion resistance. It is widely used in the fields of shipbuilding, automobile, medical treatment, chemical industry and energy. However, titanium alloy is a typical difficult-to-machine material with poor cutting performance. Compared with other metal materials, titanium alloy has small deformation coefficient, high cutting temperature, large cutting force per unit area, and severe chilling phenomenon. Cutting features. Therefore, in addition to using reasonable tool materials, tool parameters, and cut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/00C10N30/06C10N30/12C10N40/22
Inventor 熊红旗向晖
Owner GUANGZHOU MECHANICAL ENG RES INST
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