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Novel quenching oil and manufacturing method thereof

A manufacturing method and quenching oil technology, applied in the direction of quenching agent, manufacturing tools, heat treatment equipment, etc., can solve the problem of quenching workpiece supply and other issues

Active Publication Date: 2019-04-09
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

[0010] Aiming at the problems existing in the prior art, it is impossible to provide quenching oil with suitable cooling capacity according to the specific quenched workpiece, and the existing quenching oil cannot provide a quenching environment with stable properties and uniform temperature for the workpiece during the quenching process, which affects the quenching effect of the workpiece. The invention provides a new type of quenching oil and its manufacturing method, which can make the quenched workpiece obtain the best properties such as uniform hardness, perfect metallographic structure, mechanical strength and toughness, etc.

Method used

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Examples

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Effect test

Embodiment 1

[0048] The composition of the novel quenching oil provided in this example and the parts by mass of each component are as follows: 33 parts of refined base oil, 4 parts of refrigerant, 0.4 part of brightener, 0.5 part of surfactant, and 0.05 part of antioxidant ;The kinematic viscosity of refined base oil is 110~150mm 2 / s, acid value ≤0.8mgKOH / g; the refrigerant is EPDM and monoalkenyl polyol ester (kinematic viscosity is 20-120mm 2 / s), the mixing mass ratio is 1:1; the antioxidant is alkylated dianiline amine (CAS No.68921-45-9) and 2.6-di-tert-butyl-p-cresol (CAS No.128-37- 0), the mass ratio is 1:1; the brightener is a mixture of imidazoline oleate and methyl terpene resin, the mass ratio is 1:1; the surfactant is dioctyl sodium dibutyrate sulfonate (CAS No. 577-11-7).

[0049] The preparation method and steps of above-mentioned novel quenching oil are as follows:

[0050] (1) Weigh 17 parts of refined base oil in proportion, add 4 parts of refrigerant, 0.4 part of sur...

Embodiment 2

[0060] Further, compared with Example 1, the only difference is that the new quenching oil provided in this example has the composition and the mass parts of each component: 27 parts of refined base oil, 3 parts of refrigerant, anti- 0.03 parts of oxidation, 0.2 parts of brightener, 0.4 parts of surface activity; the kinematic viscosity of refined base oil is 50-200mm 2 / s, acid value≤0.5mgKOH / g; the refrigerant is dialkylnaphthalene and propylene polyol ester (kinematic viscosity is 50-90mm 2 / s), the mixing mass ratio is 1:4.

[0061] The preparation method and steps of above-mentioned novel quenching oil are as follows:

[0062] (1) Weigh 15 parts of refined base oil in proportion, and add 3 parts of refrigerant, 0.3 part of surfactant and 0.015 part of antioxidant into it respectively at 35°C and stir (stirring speed is 185rpm) to obtain quenched Oil A liquid;

[0063] (2) Weigh the remaining parts of the refined base oil in proportion, heat to 35°C, add 0.2 parts of br...

Embodiment 3

[0069] Further, compared with Example 1, the new quenching oil provided in this example differs only in that its composition and the mass parts of each component are: 39 parts of refined base oil, 5 parts of refrigerant, anti- 0.06 parts of oxidation, 0.4 parts of brightener, 0.6 parts of surface activity; the kinematic viscosity of refined base oil is 100-150mm 2 / s, the acid value is 0.6~0.7mgKOH / g; the refrigerant is a mixture of EPDM and dialkyl naphthalene (the quality is M 1 ) and hydroxymethylpropane tri-n-nonanoate (mass is M 2 ) mixed to get, mixing mass ratio M 1 / M 2 1:3; the antioxidant is a mixture of alkylated diphenylamine (CAS No.68921-45-9) and 2.6-di-tert-butyl-p-cresol (CAS No.128-37-0), the mass ratio is 1:1; the brightener is a mixture of imidazoline oleate and methyl terpene resin, the mass ratio is 1:1; the surfactant is sodium dioctyl sulfonate dibutyrate (CAS No.577-11-7) .

[0070] The preparation method and steps of above-mentioned novel quenchi...

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Abstract

The invention discloses novel quenching oil and a manufacturing method of the novel quenching oil and belongs to the technical field of metal heat treatment and surface treatment. The novel quenchingoil comprises, by mass, 27-39 parts of refined base oil, 3-5 parts of refrigerant, 0.2-0.4 part of brightener, 0.4-0.6 part of surface active agent and 0.03-0.06 part of anti-oxidant. The prepared novel quenching oil enables a quenched workpiece to obtain the best quenching hardness and metallurgical structure, achieves the mechanical strength and tenacity needed by the workpieces and can also achieve that the quenching oil can be used under the strict conditions of high temperature and continuous operation, so that energy is saved, and the efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of metal heat treatment, and more specifically relates to a novel quenching oil and a manufacturing method thereof. Background technique [0002] Quenching is the most important process in the heat treatment process. The so-called quenching is the process of heating the steel above the critical point, holding it for a certain period of time, and quenching it in the quenching medium to obtain the martensitic structure. The purpose of quenching is to increase the hardness and wear resistance of steel, so that the parts can obtain good comprehensive mechanical properties. Commonly used quenching media are brine, water, mineral oil, air, etc. [0003] At present, the most widely used is mineral oil quenching medium, that is, quenching oil. Quenching oil is a kind of process oil. It must have the following characteristics when used as a quenching medium: (1) Good cooling performance. Cooling performance is an i...

Claims

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Application Information

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IPC IPC(8): C21D1/58
CPCC21D1/58
Inventor 郑益史传喜刘凌刘进郑景亮李海岩
Owner 马鞍山金泉工业介质科技有限公司
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