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A kind of forming oil and preparation method thereof

A molding oil and mixed oil technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of high temperature, high strength, increased strength requirements, etc., achieve good heat resistance, improve friction performance, good anti-oxidation and The effect of high temperature resistance

Active Publication Date: 2019-12-20
NINGBO QUNLI FASTENER MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the rapid development of industry, the requirements for the strength of some materials have increased, and the traditional molding oil has been unable to achieve the desired effect in the high temperature, high strength and other environments encountered in the process of workpiece processing.

Method used

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  • A kind of forming oil and preparation method thereof
  • A kind of forming oil and preparation method thereof
  • A kind of forming oil and preparation method thereof

Examples

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Effect test

preparation example Construction

[0037] Correspondingly, the present invention also provides a method for preparing molding oil, comprising the following steps: mixing 20-70 parts of sodium hydroxide solution, 10-30 parts of dipropylene melamine and 1-10 parts of colloidal polytetrafluoroethylene, stirring , heat up to 100-140 ° C, and obtain activated polytetrafluoroethylene colloid after the reaction; mix the activated polytetrafluoroethylene colloid and 10-30 parts of perfluoropolyether oil to obtain a mixed oil; mix the mixed oil, 20 - Mix 50 parts of mineral base oil and 10-20 parts of sulfurized lard, then add 1-10 parts of vitamin E and 1-15 parts of antioxidant, and stir to obtain molding oil.

[0038] Colloidal PTFE has good heat resistance, and its oxidation resistance and chemical stability have been greatly improved due to the substitution of fluorine for hydrogen. And through the surface activation of sodium hydroxide and dipropylene melamine, on the premise of promoting its contact with the work...

Embodiment

[0051] Weigh various raw materials according to the ratio of parts by mass described in Table 2

[0052]Step (1): Add sodium hydroxide solution with a mass concentration of 40% and dipropylene melamine to the reaction kettle, then add PTFE dropwise while stirring, and slowly heat up to 120°C, and stir for 2 hours after the materials are completely mixed. The product was washed with acetone to obtain activated polytetrafluoroethylene colloid.

[0053] Step (2): Stir and mix the activated polytetrafluoroethylene colloid and perfluoropolyether oil prepared in step (1) in a reaction kettle for 45 minutes.

[0054] Step (3): Stir and mix the mixed oil obtained in step (2) with high-quality mineral base oil and high-performance vulcanized lard, add vitamin E and anti-aging agent, and stir for 1 hour to obtain a new molding oil.

[0055] The mass parts of raw materials that table 2 embodiment of the present invention and comparative examples adopt

[0056]

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Abstract

The invention provides forming oil and a preparation method thereof. The preparation method includes the steps: mixing sodium hydroxide solution, diallyl trimeric cyanamide and colloidal polytetrafluoroethylene, stirring, heating, and reacting to obtain activated polytetrafluoroethylene colloid; mixing the activated polytetrafluoroethylene colloid and perfluoroalkyl polyether oil to obtain mixed oil; mixing the mixed oil, mineral base oil and sulfuration lard oil, adding vitamin E and anti-aging agents, and stirring to obtain the forming oil. Compared with the prior art, the colloidal polytetrafluoroethylene has good heat resistance, oxidation resistance and chemical stability, friction performance of a workpiece in the machining process is greatly improved by the aid of surface activation of the hydroxide solution and the diallyl trimeric cyanamide on the premise that contact of the colloidal polytetrafluoroethylene and the workpiece is facilitated, the perfluoroalkyl polyether oil and the vitamin E are added, the chemical stability and high-temperature resistance of the forming oil are further improved, and risks of the workpiece caused by high temperature in the machining process is avoided.

Description

technical field [0001] The invention relates to the technical field of material forming and processing, in particular to a forming oil and a preparation method thereof. Background technique [0002] Since its development, forming oil has been widely used in cold heading forming of difficult-to-machine materials such as stainless steel and titanium alloys. Due to the presence of molding oil, it can prevent the occurrence of undesired phenomena such as pulling and scratching of the workpiece. Excellent molding oil has no peculiar smell and does not irritate the skin during processing. [0003] In the prior art, the forming oil is mainly made of high-quality mineral base oil, compounded with high-performance sulfurized lard and sulfurized fatty acid ester as the main agent, and is widely used in cold heading forming of difficult-to-machine materials such as stainless steel and high-alloy steel. Processing, has excellent wear resistance and extreme pressure, will not cause the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10N30/06C10N30/08C10N30/10C10N40/24
CPCC10M169/044C10M2201/062C10M2203/1006C10M2207/044C10M2213/06C10M2213/062C10M2215/064C10M2215/066C10M2215/221C10M2215/222C10M2219/024C10N2030/06C10N2030/08C10N2030/10C10N2040/24
Inventor 施仑吴日旺
Owner NINGBO QUNLI FASTENER MFG CO LTD
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