CN114574860A - Local nickel plating process and application thereof - Google Patents
Local nickel plating process and application thereof Download PDFInfo
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- CN114574860A CN114574860A CN202210218558.1A CN202210218558A CN114574860A CN 114574860 A CN114574860 A CN 114574860A CN 202210218558 A CN202210218558 A CN 202210218558A CN 114574860 A CN114574860 A CN 114574860A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1603—Process or apparatus coating on selected surface areas
- C23C18/1605—Process or apparatus coating on selected surface areas by masking
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1646—Characteristics of the product obtained
- C23C18/165—Multilayered product
- C23C18/1653—Two or more layers with at least one layer obtained by electroless plating and one layer obtained by electroplating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1689—After-treatment
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
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- 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
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
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- 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
- C25D5/02—Electroplating of selected surface areas
- C25D5/022—Electroplating of selected surface areas using masking means
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- 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
-
- 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
- C25D5/48—After-treatment of electroplated surfaces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electroplating Methods And Accessories (AREA)
- Chemically Coating (AREA)
Abstract
The invention belongs to the technical field of deep treatment and application of motor parts, and particularly discloses a local nickel plating process and application thereof, wherein the process comprises the following step (1) of chemical oil removal. And (2) activating the solution for the first time to remove an oxidation film. And (3) electroplating the zinc-plated nickel alloy stock solution. And (4) activating the solution for the second time to remove the oxidation film. And (5) plating chemical nickel. And (6) passivating. And (7) drying and drying. The invention discloses a local nickel plating process and application thereof, which have the beneficial effects that: 1. the nickel plating device is used for stably, safely and high-quality nickel plating on the local part of the motor rotor piece, so that the performance of the motor rotor piece is improved, and the service life of a motor using the rotor piece after assembly is prolonged; 2. the nickel plating operation flow is reasonable in design, the rotor part is partially manufactured by nickel plating at one time, the yield is high, the nickel plating processing cost is reduced, and the economic benefit is improved.
Description
Technical Field
The invention belongs to the technical field of deep treatment application of motor parts, and particularly relates to a local nickel plating process and application thereof.
Background
Nickel plating refers to a process of plating a layer of nickel on a metal or some non-metal by electrolytic or chemical means, and is called nickel plating, nickel plating being electrolytic nickel plating and electroless nickel plating.
The electroplating nickel is prepared by depositing a uniform and compact nickel coating on the cathode (plated part) by applying direct current in an electrolyte composed of nickel salt (called main salt), conductive salt, pH buffering agent and wetting agent, wherein bright nickel is obtained from the plating solution with brightener, and dark nickel is obtained from the electrolyte without brightener.
Electroless nickel plating, also known as electroless nickel plating, and also known as autocatalytic nickel plating, refers to a process in which nickel ions in an aqueous solution are reduced by a reducing agent under certain conditions and are precipitated onto the surface of a solid substrate.
The motor rotor is a rotating part in the motor, the motor consists of a rotor and a stator, and the motor is a conversion device for realizing electric energy and mechanical energy and electric energy.
The motor rotor needs to be plated with nickel in the manufacturing process (see figure 1) for improving the hardness, wear resistance, corrosion resistance, acid resistance and the like of a rotor piece.
Based on the problems, the invention provides a local nickel plating process and application thereof.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a local nickel plating process and application thereof aiming at the defects of the prior art, and the process is used for carrying out high-efficiency and high-quality nickel plating on the local part of a rotor piece.
The technical scheme is as follows: the invention provides a local nickel plating process for a rotor piece, which comprises the following steps of (1) chemically removing oil. And (2) activating the solution for the first time to remove an oxidation film. And (3) electroplating the zinc-plated nickel alloy stock solution. And (4) activating the solution for the second time to remove the oxidation film. And (5) plating chemical nickel. And (6) passivating. And (7) drying and drying.
According to the technical scheme, the solution containing the oil removing agent is adopted in the step (1) for washing by 10-15Min, wherein the temperature of the solution is 55-65 ℃ during washing, and the surface has no water cutting phenomenon after washing so as to achieve the purpose of oil removal.
According to the technical scheme, the mass ratio of the oil removing agent in the solution is 50-60g/L, and the balance is water.
According to the technical scheme, the primary activation solution in the step (2) comprises an activating agent, a surfactant and the balance of water, wherein the activation treatment time is 5-10 s.
According to the technical scheme, the activating agent is hydrochloric acid, the mass ratio of the activating agent to the surfactant is 50-80ml/L, and the mass ratio of the surfactant to the surfactant is 3-5 g/L.
According to the technical scheme, when the zinc-nickel alloy plating stock solution is adopted in the step (3), the current density is 3-5A/dm, the plating time is 2.5h, and the normal-temperature plating is carried out.
According to the technical scheme, the secondary activation solution in the step (4) comprises an activating agent, a surfactant and the balance of water, wherein the activation treatment time is 5-10 s.
According to the technical scheme, the activating agent is hydrochloric acid, the mass ratio of the activating agent to the surfactant is 50-80ml/L, and the mass ratio of the surfactant to the surfactant is 3-5 g/L.
According to the technical scheme, the chemical nickel plating mixed solution in the step (5) comprises chemical nickel plating liquid medicine and a regulator, wherein the chemical nickel plating liquid medicine product consists of A, B, C three agents, and A and B are mixed according to the proportion of 1: 2, opening the cylinder, and mixing A and C according to the proportion of 1: 1, serving as an intermediate extender, using ammonia water as a regulator, wherein the Ni content in the mixed solution for chemical nickel plating is 5.4-6.2g/L, the temperature is 85-90 ℃, the PH value is 4.8-5, and the time is 1 hour.
According to the technical scheme, passivation is completed by adopting passivation solution when passivation is performed in the step (6), the mass ratio of a passivating agent in the passivation solution is 50g/L, the balance is water, passivation is performed at normal temperature, the passivation time is 15-25s, compressed air is used for drying in the step (6), a high-temperature dryer is used for drying, the temperature is 85 ℃, and the time is 20-30 Min.
The invention provides a local nickel plating method of a rotor piece, which comprises the following steps of uniformly coating high-temperature protection glue on the local part of the rotor piece to be plated with nickel, and carrying out the local nickel plating process on the local part of the rotor piece coated with the high-temperature protection glue.
Compared with the prior art, the local nickel plating process and the application thereof have the beneficial effects that: 1. the nickel plating device is used for carrying out stable, safe and high-quality nickel plating on the local part of the motor rotor piece in the figure 1, so that the performance of the motor rotor piece is improved, and the service life of a motor using the rotor piece after assembly is prolonged; 2. the nickel plating operation flow is reasonable in design, the rotor part is partially manufactured by nickel plating at one time, the yield is high, the nickel plating processing cost is reduced, and the economic benefit is improved.
Drawings
FIG. 1 is a schematic structural view of a partial nickel plating process and a nickel plated rotor piece using the same according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A process for localized nickel plating as shown in fig. 1, comprising the following steps, step (1), chemical degreasing. And (2) activating the solution for the first time to remove an oxidation film. And (3) electroplating the zinc-plated nickel alloy stock solution. And (4) activating the solution for the second time to remove the oxidation film. And (5) plating chemical nickel. And (6) passivating. And (7) drying and drying.
Preferably, in the step (1), the solution containing the oil removing agent is adopted for washing by 10-15Min, wherein the temperature of the solution is 55-65 ℃ during washing, and the surface has no water cutting phenomenon after washing so as to achieve the purpose of oil removal.
According to the local nickel plating process, the mass ratio of the oil removing agent in the solution is preferably 50-60g/L, and the balance is water.
In the local nickel plating process of the present invention, preferably, the primary activation solution in step (2) includes an activator, a surfactant, and the balance of water, wherein the activation treatment time is 5 to 10 seconds.
In the local nickel plating process, preferably, the activating agent is hydrochloric acid, the mass ratio of the activating agent is 50-80ml/L, and the mass ratio of the surfactant is 3-5 g/L.
Preferably, in the local nickel plating process of the present invention, when the zinc-nickel alloy plating stock solution is adopted for electroplating in step (3), the current density is 3-5A/dm, the electroplating time is 2.5h, and the normal temperature electroplating is performed.
In the local nickel plating process of the present invention, preferably, the secondary activation solution in step (4) includes an activator, a surfactant, and the balance of water, wherein the activation treatment time is 5 to 10 seconds.
In the local nickel plating process, preferably, the activating agent is hydrochloric acid, the mass ratio of the activating agent is 50-80ml/L, and the mass ratio of the surfactant is 3-5 g/L.
Preferably, in the local nickel plating process of the present invention, the chemical nickel plating mixed solution in the step (5) includes chemical nickel plating solution and regulator, wherein the chemical nickel plating solution product is composed of A, B, C three agents, a and B are mixed according to a ratio of 1: 2, opening the cylinder, and mixing A and C according to the proportion of 1: 1, serving as an intermediate extender, ammonia water serving as a regulator, wherein the Ni content in the mixed solution for chemical nickel plating is 5.4-6.2g/L, the temperature is 85-90 ℃, the PH value is 4.8-5, and the time is 1 hour.
Preferably, the local nickel plating process is implemented by adopting a passivation solution in the step (6) during passivation, the mass ratio of the passivating agent in the passivation solution is 50g/L, the balance is water, the passivation is carried out at normal temperature, the passivation time is 15-25s, the step (6) is dried by adopting compressed air, and a high-temperature dryer is adopted for drying, the temperature is 85 ℃, and the time is 20-30 Min.
Examples
The application of the local nickel plating process of the invention comprises the following steps: the method comprises the steps of uniformly coating protective high-temperature glue on the part of a rotor piece to be plated with nickel by locally plating the nickel on the part of the rotor piece, firstly washing the part by 10-15Min with a solution, heating the solution to 58 ℃ with a heating rod, carrying out primary activation with a mixed solution of an activating agent and a surfactant for 7-9s, carrying out electroplating for 2 hours with a zinc-nickel alloy plating stock solution with a current density of 4.5-4.8A/dm, carrying out secondary activation with a mixed solution of the activating agent and the surfactant for 8s, carrying out chemical nickel plating with a chemical nickel plating mixed solution with a Ni content of 5.5-5.8g/L, a temperature of 87-88.5 ℃, a pH value of 4.8, and a time of 1.2 hours, passivating with a passivating solution, passivating at normal temperature for 20s, and finally drying the part by compressed air, and drying by a high-temperature dryer at 80 ℃ for 25 Min.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A local nickel plating process is characterized in that: comprises the following steps of (a) carrying out,
chemical oil removal;
step (2), activating the solution for the first time to remove an oxide film;
electroplating the zinc-nickel alloy plating stock solution;
step (4), secondary activating solution is carried out, and oxide films are removed;
plating chemical nickel;
passivating in step (6);
and (7) drying and drying.
2. A process of localized nickel plating as claimed in claim 1, wherein: and (2) performing 10-15Min washing by using a solution containing an oil removal agent in the step (1), wherein the temperature of the solution is 55-65 ℃ during washing, and the purpose of removing oil is achieved when no water cutting phenomenon exists on the surface after washing.
3. A process of localized nickel plating as claimed in claim 2, characterized in that: the mass ratio of the oil removing agent in the solution is 50-60g/L, and the balance is water.
4. A process of localized nickel plating as claimed in claim 1, wherein: the primary activation solution in the step (2) comprises an activating agent, a surfactant and the balance of water, wherein the activation treatment time is 5-10 s.
5. A process of locally plating nickel according to claim 4, wherein: the activating agent is hydrochloric acid, the mass ratio of the activating agent is 50-80ml/L, and the mass ratio of the surfactant is 3-5 g/L.
6. A process of localized nickel plating as claimed in claim 1, wherein: when the zinc-nickel alloy plating stock solution is adopted for electroplating in the step (3), the current density is 3-5A/dm, the electroplating time is 2.5h, and the normal-temperature electroplating is performed.
7. A process of localized nickel plating as claimed in claim 1, wherein: and (4) the secondary activation solution in the step (4) comprises an activating agent, a surfactant and the balance of water, wherein the activation treatment time is 5-10 s.
8. A process of topical nickel plating according to claim 7, characterised in that: the activating agent is hydrochloric acid, the mass ratio of the activating agent is 50-80ml/L, and the mass ratio of the surfactant is 3-5 g/L.
9. A process of localized nickel plating as claimed in claim 1, wherein: and (3) the chemical nickel plating mixed solution in the step (5) comprises chemical nickel plating liquid medicine and a regulator, wherein the chemical nickel plating liquid medicine product consists of A, B, C three agents, and A and B are mixed according to the proportion of 1: 2, opening the cylinder, and mixing A and C according to the proportion of 1: 1, adding the mixture serving as an intermediate extender, using ammonia water as a regulator, controlling the Ni content in the mixed solution for chemical nickel plating to be 5.4-6.2g/L, controlling the temperature to be 85-90 ℃ and the pH value to be 4.8-5 during chemical nickel plating, completing the passivation in the step (6) by using a passivation solution, controlling the mass ratio of a passivator in the passivation solution to be 50g/L and the balance to be water, passivating at normal temperature for 15-25s, drying the mixture in the step (6) by blowing compressed air, and drying the mixture by using a high-temperature dryer at the temperature of 85 ℃ and the time of 20-30 Min.
10. A local nickel plating method for a rotor part is characterized by comprising the following steps: the method comprises the following steps of uniformly coating high-temperature protection glue on the local part of the rotor piece to be plated with nickel, and carrying out the local nickel plating process according to any one of claims 1-9 on the local part of the rotor piece coated with the high-temperature protection glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210218558.1A CN114574860A (en) | 2022-03-08 | 2022-03-08 | Local nickel plating process and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210218558.1A CN114574860A (en) | 2022-03-08 | 2022-03-08 | Local nickel plating process and application thereof |
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| CN114574860A true CN114574860A (en) | 2022-06-03 |
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Citations (6)
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|---|---|---|---|---|
| WO2001096631A1 (en) * | 2000-06-15 | 2001-12-20 | Taskem Inc. | Zinc-nickel electroplating |
| CN102154668A (en) * | 2011-06-01 | 2011-08-17 | 何忠亮 | Mask electroplating process for printed circuit board |
| CN103898505A (en) * | 2013-06-04 | 2014-07-02 | 无锡市锡山区鹅湖镇荡口青荡金属制品厂 | Chemical nickel-plating process of magnesium alloy surface for pre-plated zinc-nickel alloy |
| CN107326362A (en) * | 2017-07-21 | 2017-11-07 | 珠海市玛斯特五金塑胶制品有限公司 | A kind of oil pipe electroplating technology and its special fixture |
| CN111441041A (en) * | 2020-03-11 | 2020-07-24 | 成都宏明电子股份有限公司 | Method for manufacturing tubular ceramic dielectric capacitor electrode based on chemical nickel plating and electrolytic tinning |
| CN112267135A (en) * | 2020-10-19 | 2021-01-26 | 扬州市景杨表面工程有限公司 | Zinc-nickel alloy electroplating process for vacuum brake booster shell of new energy automobile |
-
2022
- 2022-03-08 CN CN202210218558.1A patent/CN114574860A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001096631A1 (en) * | 2000-06-15 | 2001-12-20 | Taskem Inc. | Zinc-nickel electroplating |
| CN102154668A (en) * | 2011-06-01 | 2011-08-17 | 何忠亮 | Mask electroplating process for printed circuit board |
| CN103898505A (en) * | 2013-06-04 | 2014-07-02 | 无锡市锡山区鹅湖镇荡口青荡金属制品厂 | Chemical nickel-plating process of magnesium alloy surface for pre-plated zinc-nickel alloy |
| CN107326362A (en) * | 2017-07-21 | 2017-11-07 | 珠海市玛斯特五金塑胶制品有限公司 | A kind of oil pipe electroplating technology and its special fixture |
| CN111441041A (en) * | 2020-03-11 | 2020-07-24 | 成都宏明电子股份有限公司 | Method for manufacturing tubular ceramic dielectric capacitor electrode based on chemical nickel plating and electrolytic tinning |
| CN112267135A (en) * | 2020-10-19 | 2021-01-26 | 扬州市景杨表面工程有限公司 | Zinc-nickel alloy electroplating process for vacuum brake booster shell of new energy automobile |
Non-Patent Citations (1)
| Title |
|---|
| 涂湘缃: "实用防腐蚀工程施工手册", 化学工业出版社, pages: 407 * |
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