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Easily-cleaning bright quenching oil special for bearing and preparing method of easily-cleaning bright quenching oil

A quenching oil and easy-to-clean technology, which is applied to quenching agents, manufacturing tools, heat treatment equipment, etc., can solve problems such as difficult cleaning and bearing color changes, and achieve the effects of easy cleaning, reduced adhesion, and reduced wetting performance

Inactive Publication Date: 2020-06-19
马鞍山金泉工业介质科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problem that the existing quenching oil adheres to the surface of the bearing ring and is difficult to clean, resulting in color change of the bearing after tempering, the present invention provides an easy-to-clean bright quenching oil for bearings. By optimizing the formula of the quenching oil, the After quenching, it is easy to clean off the quenching oil on the surface, so as to ensure that the bearing does not produce color changes in the subsequent tempering process

Method used

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  • Easily-cleaning bright quenching oil special for bearing and preparing method of easily-cleaning bright quenching oil
  • Easily-cleaning bright quenching oil special for bearing and preparing method of easily-cleaning bright quenching oil
  • Easily-cleaning bright quenching oil special for bearing and preparing method of easily-cleaning bright quenching oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A special easy-to-clean bright quenching oil for bearings in this embodiment, its composition and the mass parts of each component are:

[0047] 38 parts of refined base oil;

[0048] 4 parts of refrigerant (the mixing mass ratio of polyisobutylene and polyol ester is 2:1);

[0049] Brightener (the mixing mass ratio of imidazoline oleate and methyl terpene resin is 2:1) 0.3 part;

[0050] Antioxidant (the mixing mass ratio of alkylated diphenylamine and 2,6-di-tert-butyl-p-cresol is 1:1) 0.04 parts;

[0051] Surfactant (dioctyl sodium sulfonate dibutyrate) 0.5 part;

[0052] Dispersant (the mixing mass ratio of liquid paraffin and sodium lauryl sulfate is 2:1) 0.2 parts.

[0053] Among them, the refined base oil is primary or secondary hydrogenated base oil, and its kinematic viscosity is 20-70mm 2 / s, acid value ≤0.8mg KOH / g, hydrogen content 3-8%.

[0054] The preparation method of the above-mentioned special easy-to-clean bright quenching oil for bearings is as ...

Embodiment 2

[0063] A special easy-to-clean bright quenching oil for bearings in this embodiment, its composition and the mass parts of each component are:

[0064] 36 parts of refined base oil;

[0065] 6 parts of refrigerant (the mixing mass ratio of polyisobutylene and polyol ester is 1:1);

[0066] Brightener (the mixing mass ratio of imidazoline oleate and methyl terpene resin is 2:1) 0.4 part;

[0067] Antioxidant (the mixing mass ratio of alkylated diphenylamine and 2,6-di-tert-butyl-p-cresol is 1:1) 0.04 part;

[0068] Surfactant (dioctyl sodium sulfonate dibutyrate) 0.6 part;

[0069] Dispersant (the mixing mass ratio of liquid paraffin and sodium lauryl sulfate is 1:1) 0.3 parts.

[0070] Among them, the refined base oil is primary or secondary hydrogenated base oil, and its kinematic viscosity is 20-70mm 2 / s, acid value ≤0.8mg KOH / g, hydrogen content 3-8%.

[0071] The preparation method of present embodiment quenching oil is:

[0072] (1) Weigh 36 parts of refined base o...

Embodiment 3

[0078] A special easy-to-clean bright quenching oil for bearings in this embodiment, its composition and the mass parts of each component are:

[0079] 33 parts of refined base oil;

[0080] 7 parts of refrigerant (the mixing mass ratio of polyisobutylene and polyol ester is 1:3);

[0081] Brightener (the mixing mass ratio of imidazoline oleate and methyl terpene resin is 2:1) 0.5 part;

[0082] Antioxidant (the mixing mass ratio of alkylated diphenylamine and 2,6-di-tert-butyl-p-cresol is 1:1) 0.03 parts;

[0083] Surfactant (dioctyl sodium sulfonate dibutyrate) 0.6 part;

[0084] Dispersant (the mixing mass ratio of liquid paraffin and sodium lauryl sulfate is 3:2) 0.4 parts.

[0085] Among them, the refined base oil is primary or secondary hydrogenated base oil, and its kinematic viscosity is 20-70mm 2 / s, acid value ≤0.8mg KOH / g, hydrogen content 3-8%.

[0086]The preparation method of present embodiment quenching oil is:

[0087] (1) Weigh 33 parts of refined base o...

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Abstract

The invention discloses easily-cleaning bright quenching oil special for a bearing and a preparing method of the easily-cleaning bright quenching oil and belongs to the technical field of metal heat treatment. According to the formula, the quenching oil includes 0.2-0.4 part of a dispersing agent, and the dispersing agent is a mixture of liquid paraffin and lauryl sodium sulfate. The dispersing agent comprises, by mass, 33-40 parts of refined base oil, 4-7 parts of cooling agents, 0.2-0.5 part of a brightening agent, 0.02-0.04 part of an antioxidant and 0.3-0.7 part of a surface active agent.The refined base oil, the surface active agent and the antioxidant are evenly mixed, then, the brightening agent and a dispersing agent are added at the same time, stirring is even, finally, the catalysts are added in the manner that adding is conducted while stirring is conducted, stirring is conducted till the uniform state is reached, then the mixture is subjected to standing to reach the roomtemperature, and quenching oil is obtained. By means of the easily-cleaning bright quenching oil special for the bearing and the preparing method of the easily-cleaning bright quenching oil, the brightening agent and the dispersing agent are cooperatively used, and the color problem in the whole workpiece heat treatment process can be effectively solved.

Description

technical field [0001] The invention belongs to the technical field of metal heat treatment, and more specifically relates to an easy-to-clean bright quenching oil for bearings and a preparation method thereof. Background technique [0002] With the development of high-end intelligent equipment, the requirements for the quality of products in the heat treatment industry are also getting higher and higher, especially for precision parts such as bearings and gears. As a commonly used precision part, bearings have very strict product requirements. It is necessary to control the deformation of the bearing while ensuring the hardness and metallographic structure are qualified. At present, there are many reports on improving bearing deformation, but there are almost no research reports on improving bearing color. In the past two years, the bearing industry has very strict requirements on the color of bearings after heat treatment. At present, the commonly used quenching medium f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/58C21D9/40
CPCC21D1/58C21D9/40
Inventor 刘进刘自强陈振宇郑益郑景亮史传喜
Owner 马鞍山金泉工业介质科技有限公司
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