CN105177547A - Blueing method for improving abrasive resistance of surface of spring steel - Google Patents
Blueing method for improving abrasive resistance of surface of spring steel Download PDFInfo
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- CN105177547A CN105177547A CN201510593745.8A CN201510593745A CN105177547A CN 105177547 A CN105177547 A CN 105177547A CN 201510593745 A CN201510593745 A CN 201510593745A CN 105177547 A CN105177547 A CN 105177547A
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- spring steel
- mulriple
- blueness
- treatment
- abrasion resistance
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Abstract
The invention relates to a blueing method for improving abrasive resistance of the surface of spring steel. The method comprises the steps that pretreatment is carried out on spring steel, and the pretreated spring steel is obtained; and normal-temperature blueing treatment is carried out on the pretreated spring steel, and then overflow rinsing, saponification sealing, airing and oiling are carried out. Composite salt is added, a hard alloy phase is generated after a spring steel piece is treated with blueing liquid, the adhesive force and abrasive resistance of a blueing film are improved, and the corrosion resistance is improved to a certain degree.
Description
Technical field
The invention belongs to treatment process field of turning blue, particularly a kind of method of turning blue improving spring steel surface abrasion resistance.
Background technology
Technique of turning blue is a kind of material protection technology; its essence is and make steel surface pass through chemical reaction; generate a kind of even compact, have certain thickness, black-and-blue oxide film that strong adhesion, corrosion resisting property are good; play the effect beautifying and protect workpiece; be widely used in the surface treatment of component of machine and steel band, this technique is also known as blackout.
During tool manufactures, widespread use spring is as elastic element, and for preventing its surface from producing corrosion, keep specious, spring surface adopts process of turning blue mostly.At present the domestic Bluing in Normal Temperature technique for spring part exist bonding force and wear no resistance wait deficiency.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method of turning blue improving spring steel surface abrasion resistance, and the present invention has the advantages that technique is simple, energy consumption is low, the treatment time is short; The invention solves tradition to turn blue technique sticking power and the problem that wears no resistance; The present invention adopts by adding composite salt, and spring steel, after this bluing liquid process, generates a kind of Wimet phase, improve sticking power and the wear resistance of its film that turns blue, and its solidity to corrosion have also been obtained certain raising simultaneously.
A kind of method of turning blue improving spring steel surface abrasion resistance of the present invention, comprising:
(1) pre-treatment: spring steel is carried out pre-treatment, obtains the spring steel after pre-treatment;
(2) turn blue the stage: the spring steel after above-mentioned pre-treatment is carried out Bluing in Normal Temperature process;
Post-processing stages: overflow rinsing, saponification are closed, dry, oiled.
In described step (1), pre-treatment is: alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
In described step (2), Bluing in Normal Temperature is treated to: carry out after 1 part of daily temperature mulriple blueness oxidation liquid and 3 parts of water mixing process of turning blue, the treatment time is 3-10min, daily temperature mulriple blueness oxidation fluid component: CuSO
41-3g/L, H
2seO
32-3g/L, H
3pO
42-4g/L.MnHPO is added in described daily temperature mulriple blueness oxidation liquid
4after, total acidity is 29-38 point, and free acidity is 1-3 point, pH value 2-3.5; Density is: 90 ~ 110g/cm
3.(point is the unit of acid)
Described MnHPO
4concentration be 0.5-2mol/L (concentration before interpolation).
The present invention is by adding Mn
2+generate a kind of process spring steel of the treatment solution that turns blue of the film that turns blue containing Wimet phase, obtain surface abrasion resistance and solidity to corrosion, technique of turning blue that sticking power is all higher.
beneficial effect
The present invention has the advantages that technique is simple, energy consumption is low, the treatment time is short, and is carry out at normal temperatures, does not produce any impact to the design variable of spring part; The present invention is by adding Mn
2+generate the process spring steel of a kind for the treatment of solution that turns blue of the film that turns blue containing Wimet phase, obtain surface abrasion resistance and solidity to corrosion, the workpiece that turns blue that sticking power is all higher, the deficiency overcoming domestic popular Bluing in Normal Temperature, bonding force and wear no resistance, is applicable to turning blue of various spring part.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Spring piece is processed with the following methods respectively in the embodiment of the present invention, with fine sandpaper friction spring sheet 200 times, test spring tablet quality loss of weight.With 3.5%NaCl solution soaking 10h, test its area be corroded and characterize its erosion resistance.
All to daily temperature mulriple blueness oxidation liquid (CuSO in embodiment
41-3g/L, H
2seO
32-3g/L, H
3pO
42-4g/L), middle interpolation MnHPO
4.
Embodiment 1
Adopt the art breading workpiece of alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
Get a daily temperature mulriple blueness oxidation liquid, add three parts of water and be placed in the groove that turns blue and mix, then spring steel workpiece is put into the groove process 3min that turns blue.Wherein daily temperature mulriple blueness oxidation liquid is light blue transparent liquid, and physical and chemical parameter is as follows: add 1mol/LMnHPO
4, total acidity 30 point, free acid are 1 point, pH value is 2, density is 90g/cm
3.
Closing through overflow rinsing, saponification, drying, oiling after Bluing in Normal Temperature process.
Embodiment 2
Adopt the art breading workpiece of alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
Get a daily temperature mulriple blueness oxidation liquid, add three parts of water and be placed in the groove that turns blue and mix, then spring steel workpiece is put into the groove process 3min that turns blue.Daily temperature mulriple blueness oxidation liquid is light blue transparent liquid, and physical and chemical parameter is as follows: add 1.5mol/LMnHPO
4, total acidity 30 point, free acid are 1 point, pH value is 2, density is 90g/cm
3.
Closing through overflow rinsing, saponification, drying, oiling after Bluing in Normal Temperature process.
Embodiment 3
Adopt the art breading workpiece of alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
Get a daily temperature mulriple blueness oxidation liquid, add three parts of water and be placed in the groove that turns blue and mix, then spring steel workpiece is put into the groove process 3min that turns blue.Daily temperature mulriple blueness oxidation liquid is light blue transparent liquid, and physical and chemical parameter is as follows: add 1mol/LMnHPO
4, total acidity 35 point, free acid are 1 point, pH value is 2, density is 90g/cm
3.
Closing through overflow rinsing, saponification, drying, oiling after Bluing in Normal Temperature process.
Embodiment 4
Adopt the art breading workpiece of alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
Get a daily temperature mulriple blueness oxidation liquid, add three parts of water and be placed in the groove that turns blue and mix, then spring steel workpiece is put into the groove process 3min that turns blue.Daily temperature mulriple blueness oxidation liquid is light blue transparent liquid, and physical and chemical parameter is as follows: add 1.5mol/LMnHPO
4, total acidity 35 point, free acid are 1 point, pH value is 2, density is 90g/cm
3.
Closing through overflow rinsing, saponification, drying, oiling after Bluing in Normal Temperature process.
Embodiment 5
Adopt the art breading workpiece of alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
Get a daily temperature mulriple blueness oxidation liquid, add three parts of water and be placed in the groove that turns blue and mix, then spring steel workpiece is put into the groove process 3min that turns blue.Daily temperature mulriple blueness oxidation liquid is light blue transparent liquid, and physical and chemical parameter is as follows: add 1mol/LMnHPO
4, total acidity 30 point, free acid are 1 point, pH value is 3.5, density is 90g/cm
3.
Closing through overflow rinsing, saponification, drying, oiling after Bluing in Normal Temperature process.
Embodiment 6
Adopt the art breading workpiece of alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
Get a daily temperature mulriple blueness oxidation liquid, add three parts of water and be placed in the groove that turns blue and mix, then spring steel workpiece is put into the groove process 10min that turns blue.Daily temperature mulriple blueness oxidation liquid is light blue transparent liquid, and physical and chemical parameter is as follows: add 1mol/LMnHPO
4, total acidity 30 point, free acid are 1 point, pH value is 3.5, density is 90g/cm
3.
Close-drying through overflow rinsing-saponification-oiling after Bluing in Normal Temperature process.
Embodiment 0 is the wear weight loss of spring piece without process of turning blue and corrosion resistance nature.
Table 1: the wear resistance of the spring piece after different bluing liquid process and erosion resistance contrast
| Embodiment | Wear weight loss (mg) | Be corroded area (%) |
| 0 | 30 | 25 |
| 1 | 10 | 5 |
| 2 | 15 | 7 |
| 3 | 13 | 8 |
| 4 | 14 | 3 |
| 5 | 17 | 6 |
| 6 | 15 | 7 |
Through the proof of experiment, the spring steel wear resistance that this bluing liquid process obtains and erosion resistance are all improved.
Claims (5)
1. improve a method of turning blue for spring steel surface abrasion resistance, comprising:
(1) spring steel is carried out pre-treatment, obtain the spring steel after pre-treatment;
(2) spring steel after above-mentioned pre-treatment is carried out Bluing in Normal Temperature process, then overflow rinsing, saponification are closed, dry, are oiled.
2. a kind of method of turning blue improving spring steel surface abrasion resistance according to claim 1, is characterized in that: in described step (1), pre-treatment is: alkali cleaning oil removing, overflow rinsing, acid pickling and rust removing, overflow rinsing.
3. a kind of method of turning blue improving spring steel surface abrasion resistance according to claim 1, it is characterized in that: in described step (2), Bluing in Normal Temperature is treated to: carry out after 1 part of daily temperature mulriple blueness oxidation liquid and 3 parts of water mixing process of turning blue, treatment time is 3-10min, daily temperature mulriple blueness oxidation fluid component: CuSO
41-3g/L, H
2seO
32-3g/L, H
3pO
42-4g/L.
4. a kind of method of turning blue improving spring steel surface abrasion resistance according to claim 1, is characterized in that: add MnHPO in described daily temperature mulriple blueness oxidation liquid
4, total acidity is 29-38 point, and free acid is 1-3 point, pH value 2-3.5; Density is: 90 ~ 110g/cm
3.
5. a kind of method of turning blue improving spring steel surface abrasion resistance according to claim 4, is characterized in that: add MnHPO in daily temperature mulriple blueness oxidation liquid
4, wherein MnHPO
4concentration be 0.5-2mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593745.8A CN105177547A (en) | 2015-09-17 | 2015-09-17 | Blueing method for improving abrasive resistance of surface of spring steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510593745.8A CN105177547A (en) | 2015-09-17 | 2015-09-17 | Blueing method for improving abrasive resistance of surface of spring steel |
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|---|---|
| CN105177547A true CN105177547A (en) | 2015-12-23 |
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ID=54899956
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|---|---|---|---|
| CN201510593745.8A Pending CN105177547A (en) | 2015-09-17 | 2015-09-17 | Blueing method for improving abrasive resistance of surface of spring steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974676A (en) * | 2017-10-25 | 2018-05-01 | 镇江市丹徒区开源制刷厂 | A kind of corrosion resistant membrane treatment process that turns blue of spring steel surface abrasion resistance |
Citations (5)
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|---|---|---|---|---|
| CN1069295A (en) * | 1991-08-02 | 1993-02-24 | 长沙市南区金属表面处理材料厂 | Metal normal temperature blackening process without energy source |
| CN1127800A (en) * | 1995-08-01 | 1996-07-31 | 刘光炳 | Cold black coslettising liquid |
| CN1390980A (en) * | 2002-05-24 | 2003-01-15 | 南昌航空工业学院 | Clean production technology for low-temp oxidization |
| CN102021548A (en) * | 2010-12-18 | 2011-04-20 | 江苏德美科技有限公司 | Blackening agent used for steel and iron surface at room temperature and preparation method for blackening agent at room temperature |
| KR20130009680A (en) * | 2011-07-15 | 2013-01-23 | 니혼 파커라이징 가부시키가이샤 | Aqueous metal-surface treatment agent and metal material |
-
2015
- 2015-09-17 CN CN201510593745.8A patent/CN105177547A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069295A (en) * | 1991-08-02 | 1993-02-24 | 长沙市南区金属表面处理材料厂 | Metal normal temperature blackening process without energy source |
| CN1127800A (en) * | 1995-08-01 | 1996-07-31 | 刘光炳 | Cold black coslettising liquid |
| CN1390980A (en) * | 2002-05-24 | 2003-01-15 | 南昌航空工业学院 | Clean production technology for low-temp oxidization |
| CN102021548A (en) * | 2010-12-18 | 2011-04-20 | 江苏德美科技有限公司 | Blackening agent used for steel and iron surface at room temperature and preparation method for blackening agent at room temperature |
| KR20130009680A (en) * | 2011-07-15 | 2013-01-23 | 니혼 파커라이징 가부시키가이샤 | Aqueous metal-surface treatment agent and metal material |
Non-Patent Citations (4)
| Title |
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| 吴双成: "亚硒酸常温发黑在食品器具上的应用", 《材料保护》 * |
| 杨增福: "黑色金属常温氧化-磷化工艺", 《材料保护》 * |
| 王凤平等: "Q235钢分步法中文锌钙系黑膜磷化", 《辽宁师范大学学报》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974676A (en) * | 2017-10-25 | 2018-05-01 | 镇江市丹徒区开源制刷厂 | A kind of corrosion resistant membrane treatment process that turns blue of spring steel surface abrasion resistance |
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Application publication date: 20151223 |