CN106011963A - Electrogalvanizing technological method - Google Patents
Electrogalvanizing technological method Download PDFInfo
- Publication number
- CN106011963A CN106011963A CN201610532214.2A CN201610532214A CN106011963A CN 106011963 A CN106011963 A CN 106011963A CN 201610532214 A CN201610532214 A CN 201610532214A CN 106011963 A CN106011963 A CN 106011963A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- time
- time cleaning
- preplating
- electrogalvanizing
- 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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Classifications
-
- 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
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/30—Acidic compositions for etching other metallic material
-
- 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
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses an electrogalvanizing technological method which comprises the following technological processes of degreasing, electrolytic degreasing, two-time cleaning, acid pickling, two-time cleaning, preplating, two-time cleaning, deplating, two-time cleaning, neutralization, electroplating, two-time cleaning, ultrasonic cleaning, polishing, pure water cleaning, passivating treatment, two-time cleaning, hot water washing, blow drying, drying tunnel drying and inspecting packaging. The electrogalvanizing technological method has the beneficial effects that technology setting is reasonable, the degreasing effect is ideal, and the product percent of pass is greatly improved by 30%.
Description
Technical field
The present invention relates to metal plating field, be specifically related to a kind of galvanizing technique flow process.
Background technology
At present, environmental protection is more and more higher to the requirement of plating, and electroplating industry more does more specification, and plating production sets
Standby be progressively changed into full-automation by manualization, it is desirable to zinc-plated industry prohibit the use of Cyanogran. as main salt,
Changing by zincate non-cyanide alkali zinc-plated, electroplating enterprise production capacity is developed rapidly and has thoroughly been given up filthy
Presentation, but, pre-electroplating treatment is particularly important, and the most indispensable step of any plating, from statistics
Analysis, modern plating thinks that the defective work of 40% both is from bad treatment before plating, therefore, more
Carrying out the most galvanizer authors to be concerned with how to strengthen treatment before plating, online oil removing does not reaches requirement, outside plating
Seeing and require the highest, rework rate is the biggest, inquires into for workpiece oil removing problem and Duo Jia degreasing powder supplier,
Increase the oil removing time, improve oil removing concentration, strengthen oil removing rectifier power, increase end on the original basis
End electrolytic degreasing etc. a series of means, effect has, but the most not ideal.
Summary of the invention
Present invention aims to defect and the deficiency of prior art, it is provided that a kind of galvanizing technique stream
Journey, it has, and technique is arranged rationally, deoiling effect is preferable, conforming product rate is greatly improved 30%.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: Yi Zhong electricity
Zincincation method, uses following technological process: oil removing → cleaning → pickling → 2 time, electrolytic degreasing → 2 time
Cleaning → strip → 2 time, cleaning → preplating → 2 time cleaning → neutralize → → 2 cleaning → ultrasound wave of plating are clear
Wash → go out light → pure water cleaning → Passivation Treatment → 2 time cleaning → hot water wash → dry up → drying tunnel and dry → inspection
Test packaging.
Further, described preplating and strip zinc time all controlled as 3-5 minute.
Further, described preplating chemical composition includes: ionic zinc content controls at 5-8g/L, hydrogen-oxygen
Change sodium content to control at 60-80g/L.
Further, described strip chemical composition includes tap water and hydrochloric acid.
The method have the benefit that it has that technique is arranged rationally, deoiling effect is preferable, conforming product rate is big
Big raising 30%.
Detailed description of the invention
The present invention is by the following technical solutions: a kind of galvanizing technique method, uses following technological process:
Oil removing → cleaning → strip → 2 time, cleaning → preplating → 2 time, cleaning → pickling → 2 time, electrolytic degreasing → 2 time are clear
Wash → neutralize → electroplate → 2 cleaning → ultrasonic waves for cleaning → go out light → pure water cleaning → Passivation Treatment → 2 time
Cleaning → hot water wash → dry up → drying tunnel drying → test package.
Further, described preplating and strip zinc time all controlled as 3-5 minute；
Further, described preplating chemical composition includes: ionic zinc content controls at 5-8g/L, hydrogen-oxygen
Change sodium content to control at 60-80g/L.
Further, described strip chemical composition includes tap water and hydrochloric acid.
Originally operation principle it is embodied as: former technological process is: oil removing → electrolytic degreasing → 2 time cleaning → pickling
Clean for → 2 times → clean → neutralize for 2 times again → → 2 cleaning → ultrasonic waves for cleaning of plating → go out light → pure water
Cleaning → Passivation Treatment → 2 time cleaning → hot water wash → dry up → drying tunnel drying → test package.
On the basis of former, terminal electrolysis is made into pre-zinc-plated, before plating with dilute hydrochloric acid the zinc layers plated
Returning, the process relying on hydrochloric acid to move back zinc is thoroughly cleaned clean greasy dirt untreated on workpiece, Jing Guozhong
Electroplate again after with；So-called pre-zinc-plated be exactly the electroplating process of a few station in fact, according to pre-coating bath
Size selects commutator, and general 2000A's is enough, electroplating time 3-5 minute, in coating bath mainly from
Sub-Zn content controls at 5-8g/L (normal contents is at 8-13g/L), and sodium hydrate content controls
60-80g/L (normal contents is at 120-150g/L), it is only necessary to the half content of normal plating, during strip, in work
Making to add 2 parts of tap water portion hydrochloric acid in groove and stir the most permissible, the strip time is typically and electroplating time
The same 3-5 minute just.
The above, is only in order to technical scheme to be described and unrestricted, ordinary skill people
Other amendment or equivalent that technical scheme is made by member, without departing from skill of the present invention
The spirit and scope of art scheme, all should contain in the middle of scope of the presently claimed invention.
Claims (3)
1. a galvanizing technique method, it is characterised in that use following technological process: oil removing → electrolysis
Cleaning → strip → 2 time, cleaning → preplating → 2 time, cleaning → pickling → 2 time, oil removing → 2 time cleaning → neutralize →
Electroplate → 2 cleaning → ultrasonic waves for cleaning → go out light → pure water cleaning → Passivation Treatment → 2 time cleaning → hot water
Wash → dry up → drying tunnel drying → test package.
A kind of galvanizing technique method, it is characterised in that described preplating and
The strip zinc time all controlled as 3-5 minute.
A kind of galvanizing technique method, it is characterised in that described preplating
Study and point include: ionic zinc content controls at 5-8g/L, and sodium hydrate content controls at 60-80g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532214.2A CN106011963A (en) | 2016-07-04 | 2016-07-04 | Electrogalvanizing technological method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532214.2A CN106011963A (en) | 2016-07-04 | 2016-07-04 | Electrogalvanizing technological method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106011963A true CN106011963A (en) | 2016-10-12 |
Family
ID=57108290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610532214.2A Pending CN106011963A (en) | 2016-07-04 | 2016-07-04 | Electrogalvanizing technological method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106011963A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142439A (en) * | 2017-06-29 | 2017-09-08 | 十堰市协兴工贸有限公司 | The handling process method of process can be reduced after a kind of workpiece is zinc-plated |
| CN107299365A (en) * | 2017-06-29 | 2017-10-27 | 十堰市协兴工贸有限公司 | A kind of weldment plates post-passivation process |
| CN108531945A (en) * | 2018-06-28 | 2018-09-14 | 浙江俊荣五金工业有限公司 | A kind of novel galvanizing assembly line |
| CN108842174A (en) * | 2018-06-28 | 2018-11-20 | 浙江俊荣五金工业有限公司 | A kind of drywall screw zincincation |
| CN109537009A (en) * | 2018-12-29 | 2019-03-29 | 南通申海工业科技有限公司 | The plating of lug nut depth blind hole applies technique |
| CN110777401A (en) * | 2019-11-08 | 2020-02-11 | 沈阳航天新光集团有限公司 | Electrogalvanizing blackening control method |
| CN111262374A (en) * | 2020-03-20 | 2020-06-09 | 杭州宝玛机电有限公司 | Motor rear end cover and machining process thereof |
Citations (6)
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|---|---|---|---|---|
| CN1786288A (en) * | 2005-11-09 | 2006-06-14 | 万向钱潮股份有限公司 | Galvanization technology |
| CN101942680A (en) * | 2010-06-28 | 2011-01-12 | 重庆长安工业(集团)有限责任公司 | Process for plating zinc on figured steel piece having deep/blind holes and special equipment |
| CN102260889A (en) * | 2011-04-14 | 2011-11-30 | 广州市海科顺表面处理有限公司 | High-corrosion-resistance bright soft zinc-cobalt alloy electroplating process |
| CN104264193A (en) * | 2014-10-14 | 2015-01-07 | 内江市东桐机械厂 | Cyanide-free electrogalvanizing method |
| CN104562112A (en) * | 2015-02-02 | 2015-04-29 | 湖北三江航天红林探控有限公司 | Lead brass silver plating process |
| KR101605802B1 (en) * | 2014-12-31 | 2016-03-24 | 주식회사 태영산업 | nickel-chromium plating method for a lamp shield and plating apparatus |
-
2016
- 2016-07-04 CN CN201610532214.2A patent/CN106011963A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786288A (en) * | 2005-11-09 | 2006-06-14 | 万向钱潮股份有限公司 | Galvanization technology |
| CN101942680A (en) * | 2010-06-28 | 2011-01-12 | 重庆长安工业(集团)有限责任公司 | Process for plating zinc on figured steel piece having deep/blind holes and special equipment |
| CN102260889A (en) * | 2011-04-14 | 2011-11-30 | 广州市海科顺表面处理有限公司 | High-corrosion-resistance bright soft zinc-cobalt alloy electroplating process |
| CN104264193A (en) * | 2014-10-14 | 2015-01-07 | 内江市东桐机械厂 | Cyanide-free electrogalvanizing method |
| KR101605802B1 (en) * | 2014-12-31 | 2016-03-24 | 주식회사 태영산업 | nickel-chromium plating method for a lamp shield and plating apparatus |
| CN104562112A (en) * | 2015-02-02 | 2015-04-29 | 湖北三江航天红林探控有限公司 | Lead brass silver plating process |
Non-Patent Citations (1)
| Title |
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| 陈刚: ""电镀锌生产工序控制"", 《电镀与涂饰》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142439A (en) * | 2017-06-29 | 2017-09-08 | 十堰市协兴工贸有限公司 | The handling process method of process can be reduced after a kind of workpiece is zinc-plated |
| CN107299365A (en) * | 2017-06-29 | 2017-10-27 | 十堰市协兴工贸有限公司 | A kind of weldment plates post-passivation process |
| CN107142439B (en) * | 2017-06-29 | 2019-03-29 | 十堰市协兴工贸股份有限公司 | The processing method of process can be reduced after a kind of workpiece is zinc-plated |
| CN108531945A (en) * | 2018-06-28 | 2018-09-14 | 浙江俊荣五金工业有限公司 | A kind of novel galvanizing assembly line |
| CN108842174A (en) * | 2018-06-28 | 2018-11-20 | 浙江俊荣五金工业有限公司 | A kind of drywall screw zincincation |
| CN109537009A (en) * | 2018-12-29 | 2019-03-29 | 南通申海工业科技有限公司 | The plating of lug nut depth blind hole applies technique |
| CN110777401A (en) * | 2019-11-08 | 2020-02-11 | 沈阳航天新光集团有限公司 | Electrogalvanizing blackening control method |
| CN111262374A (en) * | 2020-03-20 | 2020-06-09 | 杭州宝玛机电有限公司 | Motor rear end cover and machining process thereof |
| CN111262374B (en) * | 2020-03-20 | 2021-03-05 | 杭州宝玛机电有限公司 | Machining process of rear end cover of motor |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |
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| WD01 | Invention patent application deemed withdrawn after publication |