CN108278164A - A kind of forging steel piston and its surface treatment method - Google Patents
A kind of forging steel piston and its surface treatment method Download PDFInfo
- Publication number
- CN108278164A CN108278164A CN201810066507.5A CN201810066507A CN108278164A CN 108278164 A CN108278164 A CN 108278164A CN 201810066507 A CN201810066507 A CN 201810066507A CN 108278164 A CN108278164 A CN 108278164A
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- China
- Prior art keywords
- piston
- layer
- antifriction layer
- forging steel
- main body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0084—Pistons the pistons being constructed from specific materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/10—Pistons having surface coverings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a kind of forging steel piston, including piston main body, piston main body includes top land and piston skirt；Aluminized coating is equipped on the outside of top land, aluminized coating surface is equipped with oxide layer, and antifriction layer is equipped on the outside of piston skirt, plating titanium layer is equipped on the outside of piston main body；Antifriction layer is double-deck and includes the first antifriction layer, the second antifriction layer being sequentially overlapped on the outside of piston skirt.The invention also discloses a kind of surface treatment methods of forging steel piston：Prepare piston main body；Adhere to aluminized coating on the outside of top land；Aluminized coating surface oxidation, obtains oxide layer；Printing antifriction layer is sequentially overlapped to piston skirt；To piston main body entire surface titanizing.The advantage of the invention is that：(1) antifriction layer effectively prevent piston skirt to rub；(2) top land is equipped with aluminized coating, remakes oxidation processes on aluminized coating, effectively improves the wearability, corrosion resistance, heat-resisting quantity of top land；(3) whole titanizing, high rigidity, anti-sassafras are not peeled off, colour-fast, anti-corrosion.
Description
Technical field
The present invention relates to piston field more particularly to a kind of forging steel pistons and its surface treatment method.
Background technology
Domestic motor market " blowout " development at present is implemented in full with state's III discharge standards, and especially country is to small
The increasing of the following car support on policy dynamics of discharge capacity 1.6L, domestic car face huge opportunity to develop.Engine is as power
Source plays decisive action to the environmentally friendly, energy saving of automobile, and with the appearance and implementation of Environmental Protection in China policy, automobile engine is to work
Filling in indices, more stringent requirements are proposed, it is therefore necessary to be developed, be subtracted in research " low discharge capacity ", " energy saving " piston field
The discharge of the exhaust contaminant of few engine.
Low discharge capacity, environmental protection and energy saving have become the trend of social development, and the social activities that the mankind carry out has to meet environmental protection
The development of energy saving permanence, this is the trend of historical development.With the appearance and implementation of Environmental Protection in China policy, automobile engine needs
Meet Europe III, Europe IV discharge standards, this proposes the property indices of piston harsher requirement, therefore, pole it is necessary to
Developmental research is carried out in research environmental protection and energy saving piston field, reduces the pollutant emission of engine.
Piston play the role of within the engine it is vital, piston be divided into make blank, blank processing and surface at
Manage three steps.Existing forging steel piston surface treatment mode is single surface treatment, cannot be satisfied piston use environment and deteriorates item
Part can not meet safe and environment-friendly, energy saving requirement.
Therefore, it is badly in need of being improved forging steel piston surface treatment mode at present.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of safe and environment-friendly, energy saving, high-efficiency abrasion-proofs
Forging steel piston and its surface treatment method.
The present invention is achieved by the following technical solutions：A kind of forging steel piston, including piston main body, the piston main body
Including top land and it is set to the piston skirt of its lower end；Aluminized coating, aluminized coating surface are equipped on the outside of the top land
Equipped with oxide layer, it is equipped with antifriction layer on the outside of piston skirt, plating titanium layer is then integrally provided on the outside of piston main body；The antifriction layer is specific
For bilayer and include the first antifriction layer and the second antifriction layer being sequentially overlapped on the outside of piston skirt.
One of preferred embodiment as the present invention, the first antifriction layer and the second antifriction layer are by adhesive and lubricant
It constitutes.
One of preferred embodiment as the present invention, the first antifriction layer contains polyamide-imide resin, polyimides
At least one of resin and epoxy resin are used as adhesive, and based on the first antifriction layer total weight 55-60 weight % or
At least one of less graphite and molybdenum disulfide are used as kollag.
One of preferred embodiment as the present invention, the second antifriction layer contains polyamide-imide resin, polyimides
At least one of resin and epoxy resin are used as adhesive, and based on the second antifriction layer total weight 65-90 weight %'s
At least one of graphite and molybdenum disulfide are used as kollag.
One of preferred embodiment as the present invention, the aluminized coating are using aluminized coating made from electroplating technology, and thickness is
30-50μm。
As one of the preferred embodiment of the present invention, the oxide layer be using aluminium oxide layers made from micro-arc oxidation process,
Thickness is 10-15 μm.
One of preferred embodiment as the present invention, the antifriction layer are using antifriction layer made from printing technology, and thickness is
10-15μm。
As one of the preferred embodiment of the present invention, the plating titanium layer is the thickness using plating titanium layer made from chemical deposition process
Degree is 2-3 μm.
A kind of surface treatment method of above-mentioned forging steel piston, includes the following steps：
The first step prepares piston main body；
Second step adheres to last layer aluminized coating using electroplating technology on the outside of top land；
Third walks, and is aoxidized in aluminized coating surface using micro-arc oxidation process, and oxide layer is made；
4th step is sequentially overlapped the first antifriction layer of printing, the second antifriction layer using screen process press to piston skirt；
5th step carries out whole titanizing processing to piston main body surface.
One of preferred embodiment as the present invention, the process control condition of the printing technology is：Piston temperature is 50-70
DEG C, environment temperature is 20-25 DEG C, blade pressure 0.5-1Mpa, relative humidity<40%, web plate is 125-135 mesh.
The present invention compared with prior art the advantages of be：
(1) piston skirt is sequentially overlapped printing antifriction layer, and piston skirt is effectively prevent to rub；Wherein, the first antifriction layer,
The ingredient of two antifriction layers further enhances corrosion resistance, the antifriction lubrication of piston skirt with structure；
(2) top land is equipped with aluminized coating, remakes oxidation processes on aluminized coating, obtains oxide layer, effectively improve top land
Wearability, corrosion resistance, high temperature impact resistance performance, meet the needs of top land is under the conditions of various bad working environments；
(3) titanizing of piston main body entire surface is handled, and high rigidity, anti-sassafras are not peeled off, colour-fast, height anti-corrosion.
Description of the drawings
Fig. 1 is the flow chart of the surface treatment method of the forging steel piston in embodiment 2-4.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of forging steel piston of the present embodiment, including piston main body, piston main body include top land and are set to it
The piston skirt of lower end；It is equipped on the outside of top land using aluminized coating made from electroplating technology, thickness is 30-50 μm；Aluminized coating
Surface is equipped with using aluminium oxide layers made from micro-arc oxidation process, and thickness is 10-15 μm；It is equipped with using printing on the outside of piston skirt
Antifriction layer made from technique, thickness are 10-15 μm；It is then integrally provided on the outside of piston main body and is plated using made from chemical deposition process
Titanium layer, thickness are 2-3 μm.
Wherein, antifriction layer is specially double-deck and includes being sequentially overlapped the first antifriction layer on the outside of piston skirt and second resistance to
Rub layer；First antifriction layer contains at least one of polyamide-imide resin, polyimide resin and epoxy resin as viscous
Mixture, and based at least one of the first antifriction layer total weight 55-60 weight % or less graphite and molybdenum disulfide
As kollag；Second antifriction layer containing in polyamide-imide resin, polyimide resin and epoxy resin at least
It is a kind of to be used as in adhesive, and graphite and molybdenum disulfide based on the second antifriction layer total weight 65-90 weight % at least
It is a kind of to be used as kollag.
The advantages of forging steel piston of the present embodiment, is：
(1) piston skirt is sequentially overlapped printing antifriction layer, and piston skirt is effectively prevent to rub；Wherein, the first antifriction layer,
The ingredient of two antifriction layers further enhances corrosion resistance, the antifriction lubrication of piston skirt with structure；
(2) top land is equipped with aluminized coating, remakes oxidation processes on aluminized coating, obtains oxide layer, effectively improve top land
Wearability, corrosion resistance, high temperature impact resistance performance, meet the needs of top land is under the conditions of various bad working environments；
(3) titanizing of piston main body entire surface is handled, and high rigidity, anti-sassafras are not peeled off, colour-fast, height anti-corrosion.
Embodiment 2
As shown in Figure 1, a kind of surface treatment method of forging steel piston of the present embodiment, includes the following steps：
The first step prepares piston main body；
Second step adheres to last layer aluminized coating using electroplating technology on the outside of top land；
Third walks, and is aoxidized in aluminized coating surface using micro-arc oxidation process, and oxide layer is made；
4th step is sequentially overlapped the first antifriction layer of printing, the second antifriction layer using screen process press to piston skirt；Technique
Control condition is：Piston temperature is 50 DEG C, and environment temperature is 20 DEG C, blade pressure 0.5Mpa, relative humidity<40%, web plate
For 125 mesh；
5th step carries out whole titanizing processing to piston main body surface.
Embodiment 3
As shown in Figure 1, a kind of surface treatment method of forging steel piston of the present embodiment, includes the following steps：
The first step prepares piston main body；
Second step adheres to last layer aluminized coating using electroplating technology on the outside of top land；
Third walks, and is aoxidized in aluminized coating surface using micro-arc oxidation process, and oxide layer is made；
4th step is sequentially overlapped the first antifriction layer of printing, the second antifriction layer using screen process press to piston skirt；Technique
Control condition is：Piston temperature is 70 DEG C, and environment temperature is 25 DEG C, blade pressure 1Mpa, relative humidity<40%, web plate is
135 mesh；
5th step carries out whole titanizing processing to piston main body surface.
Embodiment 4
As shown in Figure 1, a kind of surface treatment method of forging steel piston of the present embodiment, includes the following steps：
The first step prepares piston main body；
Second step adheres to last layer aluminized coating using electroplating technology on the outside of top land；
Third walks, and is aoxidized in aluminized coating surface using micro-arc oxidation process, and oxide layer is made；
4th step is sequentially overlapped the first antifriction layer of printing, the second antifriction layer using screen process press to piston skirt；Technique
Control condition is：Piston temperature is 60 DEG C, and environment temperature is 22 DEG C, blade pressure 0.8Mpa, relative humidity<40%, web plate
For 130 mesh；
5th step carries out whole titanizing processing to piston main body surface.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of forging steel piston, including piston main body, which is characterized in that the piston main body includes top land and is set to
The piston skirt of its lower end；Aluminized coating is equipped on the outside of the top land, aluminized coating surface is equipped with oxide layer, piston skirt outside
Equipped with antifriction layer, plating titanium layer is then integrally provided on the outside of piston main body；The antifriction layer be specially it is double-deck and include be sequentially overlapped in
The first antifriction layer on the outside of piston skirt and the second antifriction layer.
2. forging steel piston according to claim 1, which is characterized in that the first antifriction layer and the second antifriction layer are by viscous
Mixture and lubricant are constituted.
3. forging steel piston according to claim 2, which is characterized in that the first antifriction layer contains polyamide-imides
At least one of resin, polyimide resin and epoxy resin are used as adhesive, and are based on the first antifriction layer total weight
At least one of 55-60 weight % or less graphite and molybdenum disulfide are used as kollag.
4. forging steel piston according to claim 2, which is characterized in that the second antifriction layer contains polyamide-imides
At least one of resin, polyimide resin and epoxy resin are used as adhesive, and are based on the second antifriction layer total weight
At least one of graphite and molybdenum disulfide of 65-90 weight % are used as kollag.
5. forging steel piston according to claim 1, which is characterized in that the aluminized coating is using aluminium made from electroplating technology
Coating, thickness are 30-50 μm.
6. forging steel piston according to claim 1, which is characterized in that the oxide layer is to be made using micro-arc oxidation process
Aluminium oxide layers, thickness be 10-15 μm.
7. forging steel piston according to claim 1, which is characterized in that the antifriction layer is using resistance to made from printing technology
Rub layer, and thickness is 10-15 μm.
8. forging steel piston according to claim 1, which is characterized in that the plating titanium layer is to be made using chemical deposition process
Plating titanium layer, thickness be 2-3 μm.
9. a kind of surface treatment method of such as claim 1-8 any one of them forging steel pistons, which is characterized in that including as follows
Step：
The first step prepares piston main body；
Second step adheres to last layer aluminized coating using electroplating technology on the outside of top land；
Third walks, and is aoxidized in aluminized coating surface using micro-arc oxidation process, and oxide layer is made；
4th step is sequentially overlapped the first antifriction layer of printing, the second antifriction layer using screen process press to piston skirt；
5th step carries out whole titanizing processing to piston main body surface.
10. the surface treatment method of forging steel piston according to claim 9, which is characterized in that the work of the printing technology
Skill control condition is：Piston temperature is 50-70 DEG C, and environment temperature is 20-25 DEG C, blade pressure 0.5-1Mpa, relative humidity<
40%, web plate is 125-135 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066507.5A CN108278164A (en) | 2018-01-24 | 2018-01-24 | A kind of forging steel piston and its surface treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066507.5A CN108278164A (en) | 2018-01-24 | 2018-01-24 | A kind of forging steel piston and its surface treatment method |
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| Publication Number | Publication Date |
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| CN108278164A true CN108278164A (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810066507.5A Pending CN108278164A (en) | 2018-01-24 | 2018-01-24 | A kind of forging steel piston and its surface treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026426A (en) * | 2018-08-15 | 2018-12-18 | 全椒县全动机械有限公司 | A kind of internal combustion engine and its surface treatment method |
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| CN101839188A (en) * | 2009-03-17 | 2010-09-22 | 日立汽车系统株式会社 | Piston for internal combustion engine and piston surface treatment method |
| CN203161806U (en) * | 2013-01-11 | 2013-08-28 | 陈枢 | Automobile connection rod |
| CN105909418A (en) * | 2016-06-15 | 2016-08-31 | 曲阜金皇活塞股份有限公司 | Composite surface treatment piston and preparation method thereof |
| CN105925939A (en) * | 2016-04-21 | 2016-09-07 | 鲁东大学 | Preparation process for titanium nitride nanometer double-coating engine cylinder liner |
| CN106435673A (en) * | 2016-12-22 | 2017-02-22 | 日照金港活塞有限公司 | Preparation technology of thermal insulation coating on internal combustion engine forging steel piston top |
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2018
- 2018-01-24 CN CN201810066507.5A patent/CN108278164A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454552Y (en) * | 2000-10-23 | 2001-10-17 | 丁来芝 | Energy-saing steel combined ring oiled of diesel engine |
| CN101839188A (en) * | 2009-03-17 | 2010-09-22 | 日立汽车系统株式会社 | Piston for internal combustion engine and piston surface treatment method |
| CN203161806U (en) * | 2013-01-11 | 2013-08-28 | 陈枢 | Automobile connection rod |
| CN105925939A (en) * | 2016-04-21 | 2016-09-07 | 鲁东大学 | Preparation process for titanium nitride nanometer double-coating engine cylinder liner |
| CN105909418A (en) * | 2016-06-15 | 2016-08-31 | 曲阜金皇活塞股份有限公司 | Composite surface treatment piston and preparation method thereof |
| CN106435673A (en) * | 2016-12-22 | 2017-02-22 | 日照金港活塞有限公司 | Preparation technology of thermal insulation coating on internal combustion engine forging steel piston top |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026426A (en) * | 2018-08-15 | 2018-12-18 | 全椒县全动机械有限公司 | A kind of internal combustion engine and its surface treatment method |
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Application publication date: 20180713 |