CN106987873A - A kind of nickel plating process for electroplating bright nickeline - Google Patents
A kind of nickel plating process for electroplating bright nickeline Download PDFInfo
- Publication number
- CN106987873A CN106987873A CN201710400595.3A CN201710400595A CN106987873A CN 106987873 A CN106987873 A CN 106987873A CN 201710400595 A CN201710400595 A CN 201710400595A CN 106987873 A CN106987873 A CN 106987873A
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- China
- Prior art keywords
- silver
- raw material
- plated
- electroplating
- bright
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- 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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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/46—Electroplating: Baths therefor from solutions of silver
-
- 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
-
- 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
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
Abstract
The present invention relates to technical field of surface, more particularly to a kind of nickel plating process for electroplating nickeline, it comprises the following steps：Polishing, oil removing, microetch, Bright Nickel Electroplating, sulfuric acid is washed, pre- silver-plated, silver-plated, washing and drying.Wherein, the roughness on raw material surface is not more than 4um after polishing.Degreaser is 10% degreasers of AD 482.Contain following composition in every liter of micro-corrosion liquid：Sodium peroxydisulfate 60g, sulfuric acid 20ml and surplus water.Contain following composition in every liter of electronickelling liquid：Ni75 85g、Cl‑12 17g, the 55g of boric acid 45, the 220ml of bright nickel photo etching 180, the water of the 35ml of wetting agent 20 and surplus.Contain following composition in every liter of pre- silver plating liquid：Ag0.5 1.0g, the 130g of potassium cyanide 90 and surplus water.Contain following composition in every liter of silver plating liquid：Ag20 40g, the 150g of potassium cyanide 110, the water of the 25ml of 90 6160 B brighteners of 110g, NI of potassium carbonate, 40 6160 C adjuvants of 60ml, NI 15 and surplus.The raw material handled by the present invention, its surface evenness is high, is not in coating obscission, wearability is good, is widely used, improves light reflectivity.
Description
Technical field
The present invention relates to technical field of surface, more particularly to a kind of nickel plating process for electroplating bright nickeline.
Background technology
Plating refers in the saline solution containing metal to be plated, using plated parent metal as negative electrode, by electrolysis,
The cation of metal to be plated in plating solution is deposited in base metal surface, form a kind of method of surface finish of coating.
Existing electroplating technology is to plate the in the majority of single metal, such as silver-plated, copper, zinc.Silver-plated rear workpiece surface easily becomes
Black purple.To solve silver-plated workpiece surface discoloration, though prior art can have special anti-silver tarnish agent, delay silver-plated workpiece surface
Discoloration, but still can not fundamentally solve silver-plated workpiece surface discoloration problem.
There is two layers of electroplating technology in the prior art, such as plate one layer of nickel again on the silver-plated outer layer of workpiece, can be improved with this
The surface discolouration problem of silver-plated workpiece, meanwhile, nickel plating can improve the surface strength of workpiece, increase surface abrasion resistance；But due to
Existing two layers or multi-layer plating technique it is not perfect enough, be surface-treated it is uneven, hardness is low, wears no resistance, and workpiece electrodeposited coating
Between easily fall off, surface light reflection rate is low, it is impossible to meet the market demand.
The content of the invention
For the deficiencies in the prior art, the purpose of the present invention be intend solved with multi-layer plating it is above-mentioned existing
The problem of technology, there is provided a kind of nickel plating process for electroplating bright nickeline for the problem of particularly multi-layer plating technique is present.
To achieve the above object, the present invention is achieved by the following technical programs：
A kind of nickel plating process for electroplating bright nickeline, comprises the following steps：
(1) polish：The surface of raw material is processed by shot blasting；
(2) oil removing：Oil removing is carried out to the surface of raw material by degreaser；
(3) microetch：Microetch is carried out to raw material by micro-corrosion liquid；
(4) Bright Nickel Electroplating：Raw material are placed in plating in the Bright Nickel Electroplating liquid that pH value is 35；
(5) sulfuric acid is washed：The raw material after plating are cleaned with the sulfuric acid of concentration 35%；
(6) it is pre- silver-plated：Raw material after will cleaning be put in pre- silver plating liquid carry out it is pre- silver-plated；
(7) it is silver-plated：Will it is pre- it is silver-plated after raw material be put in silver plating liquid carry out it is silver-plated again；
(8) wash：Raw material after i.e. will be silver-plated are cleaned with clear water；
(9) dry.
Further, the roughness on raw material surface is not more than 4um after the polishing.
Further, the degreaser is 10% AD-482 degreasers.
Further, following composition is contained in every liter of micro-corrosion liquid：Sodium peroxydisulfate 60g, sulfuric acid 20ml and surplus
Water.
Further, following composition is contained in every liter of Bright Nickel Electroplating liquid：Ni+7585g、Cl-1217g, boric acid
4555g, bright nickel photo etching 180220ml, the water of wetting agent 2035ml and surplus.
Further, following composition is contained in every liter of pre- silver plating liquid：Ag0.51.0g, potassium cyanide 90130g and
The water of surplus.
Further, following composition is contained in every liter of silver plating liquid：Ag2040g, potassium cyanide 110150g, carbonic acid
Potassium 90110g, NI-6160-B brightener 4060ml, NI-6160-C adjuvant 1525ml and surplus water.
In summary, it is an advantage of the invention that：A kind of nickel plating process for electroplating bright nickeline, it passes through polishing, oil removing, micro-
Erosion, Bright Nickel Electroplating, sulfuric acid are washed, pre- silver-plated, silver-plated, washing and drying carry out nickel plating, and carried out behind cleaning raw material surface
It is pre- silver-plated and silver-plated, make the raw material surface evenness after processing high, be not in coating obscission, wearability is good, should
NI-6160-B brighteners and NI-6160-C adjuvants are added with extensive, and when silver-plated, raw material are improved in surface treatment
Light reflectivity afterwards.
Embodiment
Invention is further described below in conjunction with embodiment：
Embodiment one：
A kind of nickel plating process for electroplating bright nickeline, comprises the following steps：
(1) polish：The surface of raw material is processed by shot blasting；
(2) oil removing：Oil removing is carried out to the surface of raw material by degreaser；
(3) microetch：Microetch is carried out to raw material by micro-corrosion liquid；
(4) Bright Nickel Electroplating：Raw material are placed in plating in the Bright Nickel Electroplating liquid that pH value is 3；
(5) sulfuric acid is washed：The raw material after plating are cleaned with the sulfuric acid of concentration 3%；
(6) it is pre- silver-plated：Raw material after will cleaning be put in pre- silver plating liquid carry out it is pre- silver-plated；
(7) it is silver-plated：Will it is pre- it is silver-plated after raw material be put in silver plating liquid carry out it is silver-plated again；
(8) wash：Raw material after i.e. will be silver-plated are cleaned with clear water；
(9) dry.
Wherein, the roughness on raw material surface is not more than 4um after polishing.
Wherein, degreaser is 10% AD-482 degreasers.
Wherein, following composition is contained in every liter of micro-corrosion liquid：Sodium peroxydisulfate 60g, sulfuric acid 20ml and surplus water.
Wherein, following composition is contained in every liter of Bright Nickel Electroplating liquid：Ni+75g、Cl-12g, boric acid 45g, light
Nickel photo etching 180ml, wetting agent 20ml and surplus water.
Wherein, following composition is contained in every liter of pre- silver plating liquid：Ag0.5g, potassium cyanide 90g and surplus water.
Wherein, following composition is contained in every liter of silver plating liquid：Ag20g, potassium cyanide 110g, potassium carbonate 90g, NI-
6160-B brighteners 40ml, NI-6160-C adjuvant 15ml and surplus water.
Embodiment two：
A kind of nickel plating process for electroplating bright nickeline, comprises the following steps：
(1) polish：The surface of raw material is processed by shot blasting；
(2) oil removing：Oil removing is carried out to the surface of raw material by degreaser；
(3) microetch：Microetch is carried out to raw material by micro-corrosion liquid；
(4) Bright Nickel Electroplating：Raw material are placed in plating in the Bright Nickel Electroplating liquid that pH value is 4；
(5) sulfuric acid is washed：The raw material after plating are cleaned with the sulfuric acid of concentration 4%；
(6) it is pre- silver-plated：Raw material after will cleaning be put in pre- silver plating liquid carry out it is pre- silver-plated；
(7) it is silver-plated：Will it is pre- it is silver-plated after raw material be put in silver plating liquid carry out it is silver-plated again；
(8) wash：Raw material after i.e. will be silver-plated are cleaned with clear water；
(9) dry.
Wherein, the roughness on raw material surface is not more than 4um after the polishing.
Wherein, the degreaser is 10% AD-482 degreasers.
Wherein, following composition is contained in every liter of micro-corrosion liquid：Sodium peroxydisulfate 60g, sulfuric acid 20ml and surplus water.
Wherein, following composition is contained in every liter of Bright Nickel Electroplating liquid：Ni+80g、Cl-15g, boric acid 50g, light
Nickel photo etching 200ml, wetting agent 30ml and surplus water.
Wherein, following composition is contained in every liter of pre- silver plating liquid：Ag0.8g, potassium cyanide 100g and surplus water.
Wherein, following composition is contained in every liter of silver plating liquid：Ag30g, potassium cyanide 130g, potassium carbonate 100g, NI-
6160-B brighteners 50ml, NI-6160-C adjuvant 20ml and surplus water.
Embodiment three：
A kind of nickel plating process for electroplating bright nickeline, comprises the following steps：
(1) polish：The surface of raw material is processed by shot blasting；
(2) oil removing：Oil removing is carried out to the surface of raw material by degreaser；
(3) microetch：Microetch is carried out to raw material by micro-corrosion liquid；
(4) Bright Nickel Electroplating：Raw material are placed in plating in the Bright Nickel Electroplating liquid that pH value is 5；
(5) sulfuric acid is washed：The raw material after plating are cleaned with the sulfuric acid of concentration 5%；
(6) it is pre- silver-plated：Raw material after will cleaning be put in pre- silver plating liquid carry out it is pre- silver-plated；
(7) it is silver-plated：Will it is pre- it is silver-plated after raw material be put in silver plating liquid carry out it is silver-plated again；
(8) wash：Raw material after i.e. will be silver-plated are cleaned with clear water；
(9) dry.
Wherein, the roughness on raw material surface is not more than 4um after the polishing.
Wherein, the degreaser is 10% AD-482 degreasers.
Wherein, following composition is contained in every liter of micro-corrosion liquid：Sodium peroxydisulfate 60g, sulfuric acid 20ml and surplus water.
Wherein, following composition is contained in every liter of Bright Nickel Electroplating liquid：Ni+85g、Cl-17g, boric acid 55g, light
Nickel photo etching 220ml, wetting agent 35ml and surplus water.
Wherein, following composition is contained in every liter of pre- silver plating liquid：Ag1.0g, potassium cyanide 130g and surplus water.
Wherein, following composition is contained in every liter of silver plating liquid：Ag40g, potassium cyanide 150g, potassium carbonate 110g, NI-
6160-B brighteners 60ml, NI-6160-C adjuvant 25ml and surplus water.
In summary, the raw material handled by the present invention, its surface evenness is high, is not in that coating comes off now
As wearability is good, is widely used, and improves the light reflectivity of raw material after surface treatment.
For those skilled in the art, other can be made various corresponding according to above technical scheme and design
Change and deformation, and all these change and deformation should all belong within the protection domain of the claims in the present invention.
Claims (7)
1. a kind of nickel plating process for electroplating bright nickeline, it is characterised in that comprise the following steps：
(1) polish：The surface of raw material is processed by shot blasting；
(2) oil removing：Oil removing is carried out to the surface of raw material by degreaser；
(3) microetch：Microetch is carried out to raw material by micro-corrosion liquid；
(4) Bright Nickel Electroplating：Raw material are placed in plating in the Bright Nickel Electroplating liquid that pH value is 35；
(5) sulfuric acid is washed：The raw material after plating are cleaned with the sulfuric acid of concentration 3 5%；
(6) it is pre- silver-plated：Raw material after will cleaning be put in pre- silver plating liquid carry out it is pre- silver-plated；
(7) it is silver-plated：Will it is pre- it is silver-plated after raw material be put in silver plating liquid carry out it is silver-plated again；
(8) wash：Raw material after i.e. will be silver-plated are cleaned with clear water；
(9) dry.
2. a kind of nickel plating process for electroplating bright nickeline according to claim 1, it is characterised in that raw material after the polishing
The roughness on surface is not more than 4um.
3. a kind of nickel plating process for electroplating bright nickeline according to claim 1, it is characterised in that the degreaser is 10%
AD-482 degreasers.
4. a kind of nickel plating process for electroplating bright nickeline according to claim 1, it is characterised in that in every liter of micro-corrosion liquid
Contain following composition：Sodium peroxydisulfate 60g, sulfuric acid 20ml and surplus water.
5. a kind of nickel plating process for electroplating bright nickeline according to claim 1, it is characterised in that every liter of electroplating bright
Contain following composition in nickel liquid：Ni+75 85g、Cl-12 17g, the 55g of boric acid 45, the 220ml of bright nickel photo etching 180, moistening
The 35ml of agent 20 and surplus water.
6. a kind of nickel plating process for electroplating bright nickeline according to claim 1, it is characterised in that every liter of pre- silver plating liquid
In contain following composition：Ag0.51.0g, potassium cyanide 90130g and surplus water.
7. a kind of nickel plating process for electroplating bright nickeline according to claim 1, it is characterised in that in every liter of silver plating liquid
Contain following composition：Ag20 40g, the 150g of potassium cyanide 110,110g, NI-6160-B brightener 40 of potassium carbonate 90
60ml, NI-6160-C adjuvant 1525ml and surplus water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400595.3A CN106987873A (en) | 2017-05-31 | 2017-05-31 | A kind of nickel plating process for electroplating bright nickeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400595.3A CN106987873A (en) | 2017-05-31 | 2017-05-31 | A kind of nickel plating process for electroplating bright nickeline |
Publications (1)
| Publication Number | Publication Date |
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| CN106987873A true CN106987873A (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710400595.3A Pending CN106987873A (en) | 2017-05-31 | 2017-05-31 | A kind of nickel plating process for electroplating bright nickeline |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323106A (en) * | 2020-10-22 | 2021-02-05 | 深圳市海里表面技术处理有限公司 | Rapid silver plating process |
| CN113279028A (en) * | 2021-05-17 | 2021-08-20 | 苏州亚平电子有限公司 | Matte silver electroplating solution and electroplating method |
| CN114108046A (en) * | 2021-12-20 | 2022-03-01 | 厦门华天华电子有限公司 | Method for eliminating pits on FPC (Flexible printed Circuit) coating surface |
| CN114214680A (en) * | 2022-01-07 | 2022-03-22 | 深圳市虹喜科技发展有限公司 | Silver plating process and heat-insulating container prepared by same |
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| CN105714345A (en) * | 2016-04-14 | 2016-06-29 | 中山品高电子材料有限公司 | Method of silver electroplating on nickel of LED bracket |
| CN106283145A (en) * | 2015-05-13 | 2017-01-04 | 深圳统信电路电子有限公司 | A kind of ultrathin circuit board electro-plating method |
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2017
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Patent Citations (2)
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| CN106283145A (en) * | 2015-05-13 | 2017-01-04 | 深圳统信电路电子有限公司 | A kind of ultrathin circuit board electro-plating method |
| CN105714345A (en) * | 2016-04-14 | 2016-06-29 | 中山品高电子材料有限公司 | Method of silver electroplating on nickel of LED bracket |
Non-Patent Citations (1)
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|---|
| 张胜涛: "《电镀工程》", 31 May 2002, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323106A (en) * | 2020-10-22 | 2021-02-05 | 深圳市海里表面技术处理有限公司 | Rapid silver plating process |
| CN113279028A (en) * | 2021-05-17 | 2021-08-20 | 苏州亚平电子有限公司 | Matte silver electroplating solution and electroplating method |
| CN114108046A (en) * | 2021-12-20 | 2022-03-01 | 厦门华天华电子有限公司 | Method for eliminating pits on FPC (Flexible printed Circuit) coating surface |
| CN114214680A (en) * | 2022-01-07 | 2022-03-22 | 深圳市虹喜科技发展有限公司 | Silver plating process and heat-insulating container prepared by same |
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Application publication date: 20170728 |
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