CN108374186A - A kind of automobile-used fastener electro-plating method - Google Patents
A kind of automobile-used fastener electro-plating method Download PDFInfo
- Publication number
- CN108374186A CN108374186A CN201810292536.3A CN201810292536A CN108374186A CN 108374186 A CN108374186 A CN 108374186A CN 201810292536 A CN201810292536 A CN 201810292536A CN 108374186 A CN108374186 A CN 108374186A
- Authority
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- China
- Prior art keywords
- nickel layer
- automobile
- fastener
- layer
- full light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000009713 electroplating Methods 0.000 title claims abstract description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 246
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 123
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000007747 plating Methods 0.000 claims abstract description 21
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 239000011651 chromium Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 181
- 229910052717 sulfur Inorganic materials 0.000 claims description 27
- 239000011593 sulfur Substances 0.000 claims description 27
- 239000002344 surface layer Substances 0.000 claims description 2
- 230000002421 anti-septic effect Effects 0.000 abstract description 12
- 230000002411 adverse Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 description 46
- 238000000576 coating method Methods 0.000 description 46
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The present invention provides a kind of automobile-used fastener electro-plating method applied to technical field of fastening, the plating step of the automobile-used fastener electro-plating method is that fastener body (1) 1) is moved to electroplating pool position, first in fastener body (1) outer surface plating semi-gloss nickel layer (3)；2) full light nickel layer (4) is electroplated in semi-gloss nickel layer (3) outer surface again；3) and then in full light nickel layer (4) outer surface electrodeposited chromium layers (5)；4) above-mentioned steps are carried out to fastener body (1) batch, batch completes automobile-used fastener body (1) electroplating processes, batch forms automobile-used fastener finished product, automobile-used fastener electro-plating method of the present invention, at low cost, the process that exterior materials are corroded when can stop fastener use, improve fastener entirety antiseptic property, case hardness is improved, adapts to various adverse circumstances demands, improves service life and safe to use.
Description
Technical field
The invention belongs to technical field of fastening, are to be related to a kind of automobile-used fastener with coating, this hair more specifically
It is bright to further relate to a kind of automobile-used fastener electro-plating method.
Background technology
Fastener is a kind of extremely wide product of the scope of application.And in fastener in use, fastener often faces
Severe working environment, such as corrosion.And newly have the fastener products in technology, it in use for some time will be because of corrosion resistant
Corrosion energy is insufficient and needs replacing, and often there is also serious security risks.
Invention content
The technical problem to be solved by the present invention is to：In view of the shortcomings of the prior art, offer is a kind of simple in structure, can stop
The process that exterior materials are corroded when fastener use improves whole antiseptic property, improves case hardness, adapt to various adverse circumstances
Demand improves service life and the automobile-used fastener safe to use with coating.
Solve the problems, such as that techniques discussed above, the technical solution that the present invention takes are：
The present invention is a kind of automobile-used fastener with coating, and the automobile-used fastener with coating includes fastener sheet
Coating is arranged in body, fastener body outer layer, and coating includes semi-gloss nickel layer, full light nickel layer, layers of chrome, the setting of fastener body outer surface
Full light nickel layer is arranged in semi-gloss nickel layer, semi-gloss nickel layer outer surface, and layers of chrome is arranged in full light nickel layer outer surface.
The coating further includes high-sulfur layer, and high-sulfur layer is arranged between semi-gloss nickel layer and full light nickel layer.
The coating further includes micropore nickel layer, and micropore nickel layer is arranged between full light nickel layer and layers of chrome.
The thickness of the semi-gloss nickel layer of the coating is arranged between 12 μm -25 μm, and the thickness of full light nickel layer is arranged in 6 μ
Between m-15 μm, the thickness of layers of chrome is arranged between 0.15 μm -0.6 μm.
The thickness of the high-sulfur layer of the coating is arranged between 2 μm -8 μm.
The thickness of the micropore nickel layer of the coating is arranged between 1 μm -6 μm.
Potential difference between the full light nickel layer and semi-gloss nickel layer is arranged between 110mV-140mV.
Potential difference between the full light nickel layer and high-sulfur layer of the coating is arranged between 20mV-60mV.
Potential difference between the micropore nickel layer and full light nickel layer is arranged between 20mV-60mV, micropore nickel layer it is micro-
Hole count is arranged 20,000 or more.
The invention further relates to a kind of automobile-used fastener electro-plating method, the plating step of the automobile-used fastener electro-plating method
For fastener body 1) is moved to electroplating pool position, semi-gloss nickel layer first is electroplated in fastener body outer surface；2) again in semi-gloss
Full light nickel layer is electroplated in nickel layer outer surface；3) and then in full light nickel layer outer surface electrodeposited chromium layers；4) fastener body batch is carried out
Above-mentioned steps complete automobile-used fastener body electroplating processes in batches, form automobile-used fastener finished product in batches.
After semi-gloss nickel layer is electroplated in fastener body outer surface, in semi-gloss nickel layer electroplating surface high-sulfur layer, then again in height
Full light nickel layer is electroplated in sulphur layer outer surface.
After full light nickel layer is electroplated in the high-sulfur layer outer surface of fastener body, then in full light nickel layer outer surface plating micro vias nickel
Layer, then again in microporous nickel layer surface electrodeposited chromium layers.
When semi-gloss nickel layer layer is electroplated, by the thickness control of semi-gloss nickel layer between 12 μm -25 μm, when full light nickel layer is electroplated,
By the thickness control of full light nickel layer between 6 μm -15 μm, when electrodeposited chromium layers, by the thickness control of layers of chrome at 0.15 μm -0.6 μm
Between.
When high-sulfur layer is electroplated, by the thickness control of high-sulfur layer between 2 μm -8 μm；When plating micro vias nickel layer, by microporous nickel
The thickness control of layer is between 1 μm -6 μm.
When to fastener body electroplating processes, the potential difference between full light nickel layer and semi-gloss nickel layer is controlled in 110mV-
Between 140mV.
When to fastener body electroplating processes, the potential difference between full light nickel layer and high-sulfur layer is arranged in 20mV-60mV
Between, the potential difference between micropore nickel layer and full light nickel layer is arranged between 20mV-60mV, the number cells of micropore nickel layer are set
Set 20,000 or more.
Technical solution using the present invention can obtain advantageous effect below：
Automobile-used fastener of the present invention with coating and automobile-used fastener electro-plating method, in the fastening of automobile-used fastener
After part ontology completes, electroplating processes are carried out to fastener body, coating is formed on fastener body surface, and coating includes
Multilayer, every layer of plating formation successively of coating.In each layer structure of coating, light nickel layer can effectively improve automobile-used fastener
Antiseptic property, full light nickel layer can improve the shiny appearance degree after automobile-used fastener is formed, and layers of chrome can improve automobile-used fastener
Case hardness, effectively improve the protectiveness of automobile-used fastener overall performance in such manner, it is possible to be formed in fastener body outer surface
Coating.The cooperation of coating interlayer can improve automobile-used fastener performance and service life comprehensively, and automobile-used fastener use is in automobile
After upper, ride safety of automobile can be improved.Automobile-used fastener of the present invention with coating and automobile-used fastener electro-plating method,
Process at low cost, that exterior materials are corroded when can stop fastener use improves fastener entirety antiseptic property, improves surface
Hardness, adapts to various adverse circumstances demands, improves service life and safe to use.
Description of the drawings
Brief description is made to the content expressed by each attached drawing of this specification and the label in figure below：
Fig. 1 is the schematic cross-sectional view of the automobile-used fastener of the present invention with coating；
Fig. 2 is the schematic cross-sectional view in the faces A-A of the automobile-used fastener with coating described in Fig. 1；
Attached drawing acceptance of the bid, which is remembered, is respectively：1, fastener body；2, coating；3, semi-gloss nickel layer；4, full light nickel layer；5, layers of chrome；6、
High-sulfur layer；7, micropore nickel layer.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, each structure for example involved to the specific implementation mode of the present invention
The works such as mutual alignment and connection relation, the effect of each section and operation principle between the shape of part, construction, each section are further
Detailed description：
As shown in attached drawing 1, attached drawing 2, the present invention is a kind of automobile-used fastener with coating, described automobile-used tight with coating
Firmware includes fastener body 1, and coating 2 is arranged in 1 outer layer of fastener body, and coating 2 includes semi-gloss nickel layer 3, full light nickel layer 4, chromium
Semi-gloss nickel layer 3 is arranged in layer 5,1 outer surface of fastener body, and full light nickel layer 4, complete 4 appearance of light nickel layer is arranged in 3 outer surface of semi-gloss nickel layer
Layers of chrome 5 is arranged in face.Above structure carries out electricity after the fastener body 1 of automobile-used fastener completes to fastener body 1
Plating forms coating on 1 surface of fastener body, and coating includes multilayer, every layer of plating formation successively of coating.In coating
Each layer structure in, semi-gloss nickel layer 3 can effectively improve the antiseptic property of automobile-used fastener, and full light nickel layer 4 can improve automobile-used
Fastener formed after shiny appearance degree, layers of chrome 5 can improve the case hardness of automobile-used fastener, in such manner, it is possible in fastener
1 outer surface of ontology forms the protective coating for effectively improving automobile-used fastener overall performance.The cooperation of coating interlayer can be comprehensive
Ride safety of automobile can be improved after automobile-used fastener use is on automobile by improving automobile-used fastener performance and service life.This
The invention automobile-used fastener with coating, simple in structure, at low cost, exterior materials are corroded when can stop fastener use
Process, improve whole antiseptic property, improve case hardness, adapt to various adverse circumstances demands, improve service life and use
Safety.
The coating 2 further includes high-sulfur layer 6, and the setting of high-sulfur layer 6 is between semi-gloss nickel layer 3 and full light nickel layer 4.High-sulfur layer
Setting, can widen potential difference, improve the whole antiseptic property of fastener, improve service life.
The coating 2 further includes micropore nickel layer 7, and micropore nickel layer 7 is arranged between full light nickel layer 4 and layers of chrome 5.Micropore nickel layer
7 can block the process of corrosion to the damage of fastener, improve fastener antiseptic property comprehensively.
The thickness of the semi-gloss nickel layer 3 of the coating 2 is arranged between 12 μm -25 μm, and the thickness setting of full light nickel layer 4 exists
Between 6 μm -15 μm, the thickness of layers of chrome 5 is arranged between 0.15 μm -0.6 μm.The thickness of the high-sulfur layer 6 of the coating 2 is arranged
Between 2 μm -8 μm.The thickness of the micropore nickel layer 7 of the coating 2 is arranged between 1 μm -6 μm.
Potential difference between the full light nickel layer 4 and semi-gloss nickel layer 3 is arranged between 110mV-140mV.The plating
Potential difference between the full light nickel layer 4 and high-sulfur layer 6 of layer 2 is arranged between 20mV-60mV.
Potential difference between the micropore nickel layer 7 and full light nickel layer 4 is arranged between 20mV-60mV, micropore nickel layer 7
Number cells are arranged 20,000 or more.
It is at low cost the invention further relates to a kind of step is simple, when can stop fastener use exterior materials corrode into
Journey improves fastener entirety antiseptic property, improves case hardness, adapts to various adverse circumstances demands, improves service life and makes
With the automobile-used fastener electro-plating method of safety.
The plating step of the automobile-used fastener electro-plating method is：1) fastener body 1 is moved to electroplating pool position,
First in 1 outer surface of fastener body plating semi-gloss nickel layer 3；2) full light nickel layer 4 is electroplated in 3 outer surface of semi-gloss nickel layer again；3) then
In 4 outer surface electrodeposited chromium layers 5 of full light nickel layer；4) above-mentioned steps are carried out in batches to fastener body 1, completes automobile-used fastener in batches
1 electroplating processes of ontology form automobile-used fastener finished product in batches.The above method can process antiseptic property and obviously be optimized
Automobile-used fastener.After automobile, corrosion resistance is high for the fastener use.Through CASS verification experimental verifications, method of the invention adds
The automobile-used fastener that work goes out, the corrosion-resistant time can be more than 72 hours, and fastener in the prior art only has 24 hours.
After 1 outer surface of fastener body plating semi-gloss nickel layer 3, in 3 electroplating surface high-sulfur layer 6 of semi-gloss nickel layer, then again
Full light nickel layer 4 is electroplated in 6 outer surface of high-sulfur layer.After full light nickel layer 4 is electroplated in 6 outer surface of high-sulfur layer of fastener body 1, then
Complete 4 outer surface plating micro vias nickel layer 7 of light nickel layer, then again in 7 electroplating surface layers of chrome 5 of micropore nickel layer.3 layers of semi-gloss nickel layer is electroplated
When, by the thickness control of semi-gloss nickel layer 3 between 12 μm -25 μm, when full light nickel layer 4 is electroplated, by the thickness control of full light nickel layer 4
Between 6 μm -15 μm, when electrodeposited chromium layers 5, by the thickness control of layers of chrome 5 between 0.15 μm -0.6 μm.
In the automobile-used fastener electro-plating method of the present invention, when high-sulfur layer 6 is electroplated, by the thickness control of high-sulfur layer 6 at 2 μm -8
Between μm；When plating micro vias nickel layer 7, by the thickness control of micropore nickel layer 7 between 1 μm -6 μm.At 1 plating of fastener body
When reason, the potential difference between full light nickel layer 4 and semi-gloss nickel layer 3 is controlled between 110mV-140mV.To 1 electricity of fastener body
When plating, the potential difference between full light nickel layer 4 and high-sulfur layer 6 is arranged between 20mV-60mV, by micropore nickel layer 7 and entirely
Potential difference between light nickel layer 4 is arranged between 20mV-60mV, and the number cells of micropore nickel layer 7 are arranged 20,000 or more.
Automobile-used fastener of the present invention with coating and automobile-used fastener electro-plating method, in the fastening of automobile-used fastener
After part ontology completes, electroplating processes are carried out to fastener body, coating is formed on fastener body surface, and coating includes
Multilayer, every layer of plating formation successively of coating.In each layer structure of coating, light nickel layer can effectively improve automobile-used fastener
Antiseptic property, full light nickel layer can improve the shiny appearance degree after automobile-used fastener is formed, and layers of chrome can improve automobile-used fastener
Case hardness, effectively improve the protectiveness of automobile-used fastener overall performance in such manner, it is possible to be formed in fastener body outer surface
Coating.The cooperation of coating interlayer can improve automobile-used fastener performance and service life comprehensively, and automobile-used fastener use is in automobile
After upper, ride safety of automobile can be improved.Automobile-used fastener of the present invention with coating and automobile-used fastener electro-plating method,
Process at low cost, that exterior materials are corroded when can stop fastener use improves fastener entirety antiseptic property, improves surface
Hardness, adapts to various adverse circumstances demands, improves service life and safe to use.
Illustrative description is carried out to the present invention above in conjunction with attached drawing, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, if the various improvement of inventive concept and technical scheme of the present invention progress are used, or it is not improved by this
The design of invention and technical solution directly apply to other occasions, are within the scope of the invention.
Claims (7)
1. a kind of automobile-used fastener electro-plating method, it is characterised in that：The plating step of the automobile-used fastener electro-plating method is
1) fastener body (1) is moved to electroplating pool position, first in fastener body (1) outer surface plating semi-gloss nickel layer (3)；2) again
Full light nickel layer (4) is electroplated in semi-gloss nickel layer (3) outer surface；3) and then in full light nickel layer (4) outer surface electrodeposited chromium layers (5)；4) right
Fastener body (1) batch carries out above-mentioned steps, completes automobile-used fastener body (1) electroplating processes in batches, is formed in batches automobile-used
Fastener finished product.
2. automobile-used fastener electro-plating method according to claim 1, it is characterised in that：In fastener body (1) outer surface
After semi-gloss nickel layer (3) is electroplated, in semi-gloss nickel layer (3) electroplating surface high-sulfur layer (6), then it is electroplated again in high-sulfur layer (6) outer surface
Full light nickel layer (4).
3. automobile-used fastener electro-plating method according to claim 2, it is characterised in that：High-sulfur in fastener body (1)
After full light nickel layer (4) is electroplated in layer (6) outer surface, then in full light nickel layer (4) outer surface plating micro vias nickel layer (7), then again micro-
Hole nickel layer (7) electroplating surface layers of chrome (5).
4. automobile-used fastener electro-plating method according to claim 1 or 2, it is characterised in that：Semi-gloss nickel layer (3) layer is electroplated
When, by the thickness control of semi-gloss nickel layer (3) between 12 μm -25 μm, when full light nickel layer (4) are electroplated, by the thickness of full light nickel layer (4)
Degree control is between 6 μm -15 μm, when electrodeposited chromium layers (5), by the thickness control of layers of chrome (5) between 0.15 μm -0.6 μm.
5. automobile-used fastener electro-plating method according to claim 2 or 3, it is characterised in that：It, will when high-sulfur layer (6) are electroplated
The thickness control of high-sulfur layer (6) is between 2 μm -8 μm；When plating micro vias nickel layer (7), by the thickness control of micropore nickel layer (7) 1
Between μm -6 μm.
6. automobile-used fastener electro-plating method according to claim 1 or 2, it is characterised in that：Fastener body (1) is electroplated
When processing, the potential difference between full light nickel layer (4) and semi-gloss nickel layer (3) is controlled between 110mV-140mV.
7. automobile-used fastener electro-plating method according to claim 2 or 3, it is characterised in that：Fastener body (1) is electroplated
When processing, the potential difference between full light nickel layer (4) and high-sulfur layer (6) is arranged between 20mV-60mV, by micropore nickel layer (7)
Potential difference between full light nickel layer (4) is arranged between 20mV-60mV, by the number cells of micropore nickel layer (7) be arranged 20,000 with
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292536.3A CN108374186A (en) | 2018-03-30 | 2018-03-30 | A kind of automobile-used fastener electro-plating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810292536.3A CN108374186A (en) | 2018-03-30 | 2018-03-30 | A kind of automobile-used fastener electro-plating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108374186A true CN108374186A (en) | 2018-08-07 |
Family
ID=63031945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810292536.3A Pending CN108374186A (en) | 2018-03-30 | 2018-03-30 | A kind of automobile-used fastener electro-plating method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108374186A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117989214A (en) * | 2024-04-07 | 2024-05-07 | 广东腐蚀科学与技术创新研究院 | Aluminized connecting fastener capable of preventing galvanic corrosion and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117989214A (en) * | 2024-04-07 | 2024-05-07 | 广东腐蚀科学与技术创新研究院 | Aluminized connecting fastener capable of preventing galvanic corrosion and manufacturing method thereof |
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Application publication date: 20180807 |