CN107513737A - A kind of processing technology of anti-rust metal product - Google Patents
A kind of processing technology of anti-rust metal product Download PDFInfo
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- CN107513737A CN107513737A CN201710786967.0A CN201710786967A CN107513737A CN 107513737 A CN107513737 A CN 107513737A CN 201710786967 A CN201710786967 A CN 201710786967A CN 107513737 A CN107513737 A CN 107513737A
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- metal product
- metallic article
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- temperature
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Classifications
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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
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
-
- 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
Abstract
The invention discloses a kind of processing technology of anti-rust metal product, it is characterised in that including following aspect：（1）Cleaning, metallic article is immersed in deionized water and cleaned, and use supersonic oscillations；（2）Activation process, cleaning metallic article is placed in normal temperature plasma machine and carries out plasma treatment, frequency of use is that 40 50kHz and 70 80kHz are handled metal surface respectively；（3）Hot-galvanizing, activated metal is immersed respectively in zinc powder solution and chromium powder solution and carry out electroplating processes；（4）Oxidation, plating metal product is placed in reactor and is evacuated to vacuum state, is passed through ozone and is carried out oxidation processes.
Description
Technical field
The invention belongs to metallic article processing technique field, and in particular to a kind of processing technology of anti-rust metal product.
Background technology
Metal manufacture, be a kind of technology for metalliferous material being processed into article, part, component, include bridge,
The heavy parts of steamer etc., in addition including engine, jewelry, watch trickle component.Its metallic article processed extensively should
With fields such as bio-pharmaceuticals, Aero-Space, architectural engineering, automobile making, machining and micro-electronic manufacturings, be processing and manufacturing,
Scientific and technological progress and the important hardware condition of increased quality；Its processing method generally comprises hot rolling and cold rolling process technology.But nothing
By being automobile making or Aero-Space, the environment that metallic article is applied is often that high temperature, temperature changing speed are fast, and meeting
With oxygen in air and steam Long Term Contact, surface of metal product and internal structure aging can be caused, irony composition aoxidizes to be formed
Iron rust, the feature of metallic article decline.And protection processing technology of the tradition to metallic article is typically using spray painting, electrogalvanizing etc.
Method, but spray painting can be effectively isolated and be contacted with external environment, but its protection effect to high temperature ageing is poor, and electrogalvanizing side
Its zinc of method only forms overcoat on metallic article top layer, and is easily corroded by hydrogenation, causes its rustless property degradation.
The content of the invention
The present invention is directed to the problem of existing：Use environment, the environment that metallic article is applied are often high temperature, temperature change
Speed is fast, and can cause surface of metal product and internal structure aging, irony with oxygen in air and steam Long Term Contact
Composition aoxidizes to form iron rust, and the feature of metallic article declines.Processing method, and protection processing technology of the tradition to metallic article
It is general using spray painting, electrogalvanizing the methods of, but spray painting can be effectively isolated and be contacted with external environment, but it is to high temperature ageing
Protection effect is poor, and electrogalvanizing method its zinc forms overcoat on metallic article top layer, and is easily corroded by hydrogenation, causes
Its rustless property degradation.To solve the above problems, the invention provides a kind of processing technology of anti-rust metal product.
The present invention is achieved by the following technical solutions：
A kind of processing technology of anti-rust metal product, comprises the following steps：
（1）Cleaning：Metallic article is immersed in deionized water and cleaned, 70-74 DEG C of temperature, supersonic oscillations time 15-
18min, cleaning metallic article is made；
（2）Activation process：Cleaning metallic article is placed in normal temperature plasma machine and carries out plasma treatment, vacuum 0.02-
0.03mbar, 65-70 DEG C of temperature, frequency of use is that 40-50kHz and 70-80kHz is handled metal surface respectively, the frequency
1 time/10min of checker time, circulation are carried out 7-8 times, and activated metal product is made；
（3）Hot-galvanizing：First activated metal product is immersed in closed ionization chamber zinc powder solution and carries out zinc-plated processing, temperature 72-75
DEG C, on-load voltage 180-186V, processing time 37-42min；Then it is again that the metallic article immersion chromium powder after zinc-plated processing is molten
Liquid carries out chromium plating process, processing time 25-30min, plating metal product is made；
（4）Oxidation：Plating metal product is placed in reactor and is evacuated to vacuum state, is passed through the smelly of reactor volume 14%-17%
Oxygen carries out oxidation processes, 63-67 DEG C of temperature, time 55-60min, anti-rust metal product is made.
Step（1）Described metallic article, it is the metallic article that main component is iron.
Step（1）Described zinc powder solution, its quality zinc powder addition are the 21%-23% of solution quality；Described chromium powder
Solution, wherein chromium powder addition are the 13%-15% of solution quality.
Step（3）Described zinc-plated processing, wherein on-load voltage both positive and negative polarity the alternating frequency are 1 time/7min
Step（3）Described chromium plating process, its temperature are 83-87 DEG C, on-load voltage 195-200V, and the both positive and negative polarity alternating frequency is
1 time/2min.
The present invention has advantages below compared with prior art：Activating treatment method, clean and remove metal surface impurity, drop
Processing interference effect, plasma caused by plasma machine, including with height are electroplated and aoxidized to low its in metallic article
Activity, the gas ions of high-energy, gas ions contact with surface of metal product can be improved surface-active, so as to improve plating and oxygen
The processing effect of change.Thermoelectricity electroplating method, metallic article is immersed respectively in zinc powder solution and chromium powder solution and heat at plating
Reason, by heating means and checker on-load voltage both positive and negative polarity, in electroplating solution the irregular movement of zinc and chromium strengthen, can carry
It is high that depth and rustless property are electroplated to metallic article；Using zinc and chromium electro-plating method, solve that pure zinc electroplating cost is low, protection effect
Fruit is poor, and uses chromium cost height, protective capacities strong, can effectively improve metallic article rustless property after plating.Oxidation processes, by electricity
Metallic article is placed under vacuum environment and is passed through ozone after plating, its Strong oxdiative ability having, and the composition oxygen such as zinc, chromium, iron can be used
Change forms compact film, plays the passivation to metallic article and protective action.
Embodiment
Embodiment 1：
A kind of processing technology of anti-rust metal product, comprises the following steps：
（1）Cleaning：Metallic article is immersed in deionized water and cleaned, 71 DEG C of temperature, supersonic oscillations time 16min, system
Metallic article must be cleaned；
（2）Activation process：Cleaning metallic article is placed in normal temperature plasma machine and carries out plasma treatment, vacuum
0.02mbar, 66 DEG C of temperature, frequency of use is that 43kHz and 74kHz is handled metal surface respectively, during frequency checker
Between 1 time/10min, circulation carries out 7 times, and activated metal product is made；
（3）Hot-galvanizing：First activated metal product is immersed in closed ionization chamber zinc powder solution and carries out zinc-plated processing, 73 DEG C of temperature,
On-load voltage is 182V, processing time 39min；Then the metallic article after zinc-plated processing is immersed into chromium powder solution again and carries out chromium plating
Processing, processing time 26min, plating metal product is made；
（4）Oxidation：Plating metal product is placed in reactor and is evacuated to vacuum state, the ozone for being passed through reactor volume 15% enters
Row oxidation processes, 64 DEG C, time 56min of temperature, anti-rust metal product is made.
Step（1）Described metallic article, it is the metallic article that main component is iron.
Step（1）Described zinc powder solution, its quality zinc powder addition are the 21.4% of solution quality；Described chromium powder is molten
Liquid, wherein chromium powder addition are the 13.6% of solution quality.
Step（3）Described zinc-plated processing, wherein on-load voltage both positive and negative polarity the alternating frequency are 1 time/7min
Step（3）Described chromium plating process, its temperature be 84 DEG C, on-load voltage 196V, both positive and negative polarity alternating the frequency be 1 time/
2min。
Embodiment 2：
A kind of processing technology of anti-rust metal product, comprises the following steps：
（1）Cleaning：Metallic article is immersed in deionized water and cleaned, 73 DEG C of temperature, supersonic oscillations time 17min, system
Metallic article must be cleaned；
（2）Activation process：Cleaning metallic article is placed in normal temperature plasma machine and carries out plasma treatment, vacuum
0.03mbar, 68 DEG C of temperature, frequency of use is that 47kHz and 79kHz is handled metal surface respectively, during frequency checker
Between 1 time/10min, circulation carries out 8 times, and activated metal product is made；
（3）Hot-galvanizing：First activated metal product is immersed in closed ionization chamber zinc powder solution and carries out zinc-plated processing, 74 DEG C of temperature,
On-load voltage is 185V, processing time 41min；Then the metallic article after zinc-plated processing is immersed into chromium powder solution again and carries out chromium plating
Processing, processing time 29min, plating metal product is made；
（4）Oxidation：Plating metal product is placed in reactor and is evacuated to vacuum state, the ozone for being passed through reactor volume 16% enters
Row oxidation processes, 66 DEG C, time 58min of temperature, anti-rust metal product is made.
Step（1）Described metallic article, it is the metallic article that main component is iron.
Step（1）Described zinc powder solution, its quality zinc powder addition are the 22.8% of solution quality；Described chromium powder is molten
Liquid, wherein chromium powder addition are the 14.7% of solution quality.
Step（3）Described zinc-plated processing, wherein on-load voltage both positive and negative polarity the alternating frequency are 1 time/7min
Step（3）Described chromium plating process, its temperature be 86 DEG C, on-load voltage 198V, both positive and negative polarity alternating the frequency be 1 time/
2min。
Control group：Control group metallic article uses galvanized method, and cleaning, activation process, hot-galvanizing and oxidation is not used.
By embodiment 1, embodiment 2, control group metallic article be placed in 65-70 DEG C of temperature, humidity 75%-80% environment in enter
Row deteriorates experiment, is become rusty the time in statistics metallic article appearance.
Experimental result：Time of being become rusty on the metallic article that embodiment 1 and embodiment 2 are processed is respectively 27 days and 24 days, and
The time is become rusty on control group metallic article for 13 days, when improving nearly 1 times by its antirust ability of metallic article processing method of the present invention
Between, and high temperature can be reduced and destroyed to caused by metallic article.
Claims (5)
1. a kind of processing technology of anti-rust metal product, it is characterised in that comprise the following steps：
（1）Cleaning：Metallic article is immersed in deionized water and cleaned, 70-74 DEG C of temperature, supersonic oscillations time 15-
18min, cleaning metallic article is made；
（2）Activation process：Cleaning metallic article is placed in normal temperature plasma machine and carries out plasma treatment, vacuum 0.02-
0.03mbar, 65-70 DEG C of temperature, frequency of use is that 40-50kHz and 70-80kHz is handled metal surface respectively, the frequency
1 time/10min of checker time, circulation are carried out 7-8 times, and activated metal product is made；
（3）Hot-galvanizing：First activated metal product is immersed in closed ionization chamber zinc powder solution and carries out zinc-plated processing, temperature 72-75
DEG C, on-load voltage 180-186V, processing time 37-42min；Then it is again that the metallic article immersion chromium powder after zinc-plated processing is molten
Liquid carries out chromium plating process, processing time 25-30min, plating metal product is made；
（4）Oxidation：Plating metal product is placed in reactor and is evacuated to vacuum state, is passed through the smelly of reactor volume 14%-17%
Oxygen carries out oxidation processes, 63-67 DEG C of temperature, time 55-60min, anti-rust metal product is made.
2. the processing technology of anti-rust metal product as claimed in claim 1, it is characterised in that step（1）Described metallic article,
For the metallic article that main component is iron.
3. the processing technology of anti-rust metal product as claimed in claim 1, it is characterised in that step（1）Described zinc powder solution,
Its quality zinc powder addition is the 21%-23% of solution quality；Described chromium powder solution, wherein chromium powder addition are solution quality
13%-15%。
4. the processing technology of anti-rust metal product as claimed in claim 1, it is characterised in that step（3）Described zinc-plated processing,
Wherein the on-load voltage both positive and negative polarity alternating frequency is 1 time/7min.
5. the processing technology of anti-rust metal product as claimed in claim 1, it is characterised in that step（3）Described chromium plating process,
Its temperature is 83-87 DEG C, on-load voltage 195-200V, and the both positive and negative polarity alternating frequency is 1 time/2min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786967.0A CN107513737A (en) | 2017-09-04 | 2017-09-04 | A kind of processing technology of anti-rust metal product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786967.0A CN107513737A (en) | 2017-09-04 | 2017-09-04 | A kind of processing technology of anti-rust metal product |
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| CN107513737A true CN107513737A (en) | 2017-12-26 |
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| CN201710786967.0A Pending CN107513737A (en) | 2017-09-04 | 2017-09-04 | A kind of processing technology of anti-rust metal product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230082177A1 (en) * | 2021-08-31 | 2023-03-16 | Atlas Magnetics | Method and Apparatus for Plating Metal and Metal Oxide Layer Cores |
-
2017
- 2017-09-04 CN CN201710786967.0A patent/CN107513737A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230082177A1 (en) * | 2021-08-31 | 2023-03-16 | Atlas Magnetics | Method and Apparatus for Plating Metal and Metal Oxide Layer Cores |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171226 |