CN103667632A - Medium for carrying out medium-frequency hardening on surface of medium-carbon alloy steel workpiece and use method thereof - Google Patents
Medium for carrying out medium-frequency hardening on surface of medium-carbon alloy steel workpiece and use method thereof Download PDFInfo
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- CN103667632A CN103667632A CN201310581767.3A CN201310581767A CN103667632A CN 103667632 A CN103667632 A CN 103667632A CN 201310581767 A CN201310581767 A CN 201310581767A CN 103667632 A CN103667632 A CN 103667632A
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Abstract
The invention discloses a medium for carrying out medium-frequency hardening on the surface of a medium-carbon alloy steel workpiece. The medium comprises a stock solution prepared from the following components in percentage by weight: 9%-10% of barium petroleum sulfonate, 14%-15% of sulfonated oil DAH, 9%-10% of triethanolamine oleic soap, 14%-15% of castor oil sodium soap, 14%-15% of benzotriazole, 29%-30% of No.5, No.6 or No.4 high-speed engine oil and 5%-11% of oleic acid. The nonflammable medium-carbon alloy steel hardening medium disclosed by the invention can be used for spraying medium-frequency hardening, has good cooling effect, can achieve the hardening qualification up to 99% and can be used for designing the hardening of various medium-carbon alloy steels according to the cooling curves of steel products.
Description
Technical field
The present invention relates to a kind of quenchant, more particularly, relate to the medium that medium carbon alloy steel medium frequency quenching is used.
Background technology
Along with China's heavy industry also obtains development, all improving gradually the work-ing life of various mechanical component, and production cost is all declining gradually.In this case, the workpiece of production will existing good precision has the work-ing life of overlength again.
For the workpiece of medium carbon alloy steel, want to improve the work-ing life of workpiece, the thermal treatment of medium carbon alloy steel has just been played to the most important effect of wanting, yet medium carbon alloy steel surface medium frequency quenching is but a difficult problem always.Because medium carbon alloy steel has the good and feature easy to crack of hardening capacity, the quenchant of using is in the past quenching oil, and oil is inflammable substance, on the surface spraying that can not be used in intermediate frequency quenches.
Summary of the invention
The present invention aims to provide a kind of incombustible quenchant, to the intermediate frequency hard surfacing qualification rate of medium carbon alloy steel workpiece, can reach more than 99%.
In order to achieve the above object, a kind of medium for the medium frequency quenching of medium carbon alloy steel workpiece surface of the present invention, comprises following composition formulated stoste by weight ratio by weight ratio:
Oil yellow acid barium: 9-10%
Sulphonated oil DAH:14-15%
Trihydroxy ethylamine oleate soap: 9-10%(content is more, and rust-proof effect is better)
Viscotrol C soda soap 14-15%
Benzotriazole 14-15%(content is more, and preservative effect is better)
No. 5, No. 6 or No. 4 high-speed engine oil: 29-30%
Oleic acid: 5-11%.
Wherein, when use temperature is preferably used No. 6 high-speed engine oil during at 25 ℃-40 ℃; When use temperature is preferably to use No. 4 high-speed engine oil configurations at 5-15 ℃.Under other feasible states, preferably use high-speed engine oil No. 5.
During use, it is completely compatible rear as quenchant that above-mentioned stoste and distilled water are pressed 8%-10% part by weight.
Advantage of the present invention is as follows:
1, cost-saving, the former liquid medium of every 10Kg, the configurable 100Kg aqueous solution, for quenching, cost is far below the quenching oil of prior art.
2, do not burn, without safety problem
3, easily reclaim reusable.
4,, without any corrosive nature, can take up in any container
5, can adopt spray quench, make up the shortcoming that quenching oil can not spray.
To sum up, the present invention is a kind of nonflammable class medium carbon alloy steel quenchant, can be used for spraying medium frequency quenching, its good cooling results, and quenching qualifiedly reaches 99%, in addition, can design according to steel cooling curve the quenching of various medium carbon alloy steels.
Accompanying drawing explanation
Fig. 1 is quenchant cooling performance test pattern.
Embodiment
One, the concrete composition of quenchant of the present invention is as follows:
Oil yellow acid barium
Sulphonated oil DAH
Trihydroxy ethylamine oleate soap (10:7)
Viscotrol C soda soap
Benzotriazole
No. 5 high-speed engine oils
Oleic acid
Two, the preparation of quenchant of the present invention
Various article are mixed with quenchant stoste by a certain percentage above.
Three, quenchant using method of the present invention:
Distilled water is contained in required container.
Quenchant stoste and distilled water are joined in container in 1:10 ratio.
Stir, after 10 minutes, treat two media compatible can use completely.
During use, can select the mode of spray quench.
Four, the cooling performance of quenchant of the present invention
In conjunction with Fig. 1, quenchant cooling performance test of the present invention (applied code: JB/T7951-2004, SH/0220-1992) is described.Wherein, performance is as shown in the table.
| Maximum speed of cooling | Maximum cooling rate temperature | To 300 ℃ of cooling rates | Medium temperature |
| 82.8℃/S | 488．7℃ | 36.4℃/S | 40℃ |
Annotation: maximum cooling rate: in quenching process, maximum speed of cooling is the ability of reduction temperature per second.
Maximum cooling rate temperature: workpiece temperature during maximum cooling rate
To 300 ℃ of cooling rates: when workpiece probe drops to 300 ℃, the needed time is as shown in the figure:
15.1S, learns that 300 ℃ of cooling rates are 36.4 ℃/S.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. for a medium for medium carbon alloy steel workpiece surface medium frequency quenching, it is characterized in that, comprise by weight ratio the stoste that following composition is formulated:
Oil yellow acid barium: 9-10%
Sulphonated oil DAH:14-15%
Trihydroxy ethylamine oleate soap: 9-10%
Viscotrol C soda soap 14-15%
Benzotriazole 14-15%
No. 5, No. 6 or No. 4 high-speed engine oil: 29-30%
Oleic acid: 5-11%.
2. according to claim 1 for the medium of medium carbon alloy steel workpiece surface medium frequency quenching, it is characterized in that, when use temperature is during at 25 ℃-40 ℃, use No. 6 high-speed engine oil;
When use temperature is during at 5-15 ℃, use No. 4 high-speed engine oil.
Described in claim 1 or 2 for a using method for medium carbon alloy steel workpiece surface medium frequency quenching medium, it is characterized in that, described stoste and distilled water is completely compatible in 8%-10% ratio after as quenchant.
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| CN201310581767.3A CN103667632B (en) | 2013-11-18 | 2013-11-18 | Medium for carrying out medium-frequency hardening on surface of medium-carbon alloy steel workpiece and use method thereof |
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| CN103667632A true CN103667632A (en) | 2014-03-26 |
| CN103667632B CN103667632B (en) | 2015-04-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981342A (en) * | 2014-04-28 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | Wear-resistant material workpiece quenching medium |
| CN103981341A (en) * | 2014-04-28 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | Quenchant for medium carbon alloy steel abrasion-resistant material |
| CN110317932A (en) * | 2019-06-27 | 2019-10-11 | 江苏鑫露化工新材料有限公司 | A kind of emulsion resistance rust-proof type quenching oil compound and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101603118A (en) * | 2009-05-26 | 2009-12-16 | 锦州康泰润滑油添加剂有限公司 | Light-color quenching oil complexing agent composition and preparation method thereof |
| CN102382952A (en) * | 2011-12-06 | 2012-03-21 | 上海锦海特种润滑油厂 | Overspeed quenching oil and preparation method thereof |
| CN103088192A (en) * | 2011-10-28 | 2013-05-08 | 上海航天精密机械研究所 | Heat treatment PAG water base quenching medium stabilizer and uses thereof |
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2013
- 2013-11-18 CN CN201310581767.3A patent/CN103667632B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101603118A (en) * | 2009-05-26 | 2009-12-16 | 锦州康泰润滑油添加剂有限公司 | Light-color quenching oil complexing agent composition and preparation method thereof |
| CN103088192A (en) * | 2011-10-28 | 2013-05-08 | 上海航天精密机械研究所 | Heat treatment PAG water base quenching medium stabilizer and uses thereof |
| CN102382952A (en) * | 2011-12-06 | 2012-03-21 | 上海锦海特种润滑油厂 | Overspeed quenching oil and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981342A (en) * | 2014-04-28 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | Wear-resistant material workpiece quenching medium |
| CN103981341A (en) * | 2014-04-28 | 2014-08-13 | 中建材宁国新马耐磨材料有限公司 | Quenchant for medium carbon alloy steel abrasion-resistant material |
| CN103981342B (en) * | 2014-04-28 | 2016-03-02 | 中建材宁国新马耐磨材料有限公司 | The agent of a kind of high-abrasive material workpiece quenching |
| CN110317932A (en) * | 2019-06-27 | 2019-10-11 | 江苏鑫露化工新材料有限公司 | A kind of emulsion resistance rust-proof type quenching oil compound and preparation method thereof |
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| CN103667632B (en) | 2015-04-29 |
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Denomination of invention: Medium and usage method for medium frequency quenching of medium carbon alloy steel workpiece surface Effective date of registration: 20230417 Granted publication date: 20150429 Pledgee: China Minsheng Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN SHENGLONG MACHINERY Co.,Ltd. Registration number: Y2023210000076 |