CN110923682A - Surface rust-proof treatment process for mechanical parts - Google Patents
Surface rust-proof treatment process for mechanical parts Download PDFInfo
- Publication number
- CN110923682A CN110923682A CN201911328992.XA CN201911328992A CN110923682A CN 110923682 A CN110923682 A CN 110923682A CN 201911328992 A CN201911328992 A CN 201911328992A CN 110923682 A CN110923682 A CN 110923682A
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- China
- Prior art keywords
- mechanical part
- mechanical
- treatment process
- parts
- zinc
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Classifications
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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
- C23C18/52—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 using reducing agents for coating with metallic material not provided for in a single one of groups C23C18/32 - C23C18/50
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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
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1806—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by mechanical pretreatment, e.g. grinding, sanding
-
- 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
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
- C23C18/1837—Multistep pretreatment
- C23C18/1844—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to the technical field of metal rust removal, and discloses a mechanical part surface rust prevention treatment process, which specifically comprises the following steps: s1, grinding and polishing the surface of the mechanical part by using grinding and polishing equipment, and grinding and polishing the surface of the mechanical part until the whole surface is smooth; s2, placing the polished mechanical parts into clean water for washing, wherein the temperature of the clean water is 50-70 ℃, and the washing time is 5-10 minutes; s3, soaking and cleaning the washed mechanical parts in acid liquor for 3-5 minutes; s4, putting the mechanical part subjected to acid leaching into cold water for quick water washing, removing acid liquor on the surface of the mechanical part, and removing impurities on the surface of the mechanical part; s5, preparing a galvanizing solution, and galvanizing the mechanical part by using galvanizing equipment to plate a zinc film on the surface of the mechanical part. The surface rust prevention treatment process for the mechanical parts effectively improves the rust prevention performance of the mechanical parts.
Description
Technical Field
The invention relates to the technical field of metal rust removal, in particular to a surface rust-proof treatment process for a mechanical part.
Background
Rust is a compound, and when iron is in a wet state for a long time, iron and oxygen generate compound-rust, and the iron rusts after being left for a long time. Iron is easily rusted and is also very much related to external conditions besides being active due to its chemical properties. Moisture is one of substances that make iron easily rusted. The surface smoothness of the mechanical parts is reduced due to rusting of the surfaces of the mechanical parts, so that the matching degree and the service life of the mechanical parts are affected, and therefore, the surfaces of the mechanical parts need to be subjected to rust prevention treatment, and the rust prevention performance of the surfaces of the mechanical parts is improved.
The existing mechanical part surface rust prevention treatment process only has a single-layer rust prevention effect, a single-layer rust prevention layer is easy to lose efficacy, and when the single-layer rust prevention layer is damaged, rust spots appear on the surface of the mechanical part, so that the normal use of the mechanical part is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a mechanical part surface rust prevention treatment process, which has the advantage of improving the surface rust prevention performance of mechanical parts and solves the problem of single rust prevention capability of the mechanical part surface rust prevention treatment process on the current market.
(II) technical scheme
In order to achieve the purpose of improving the surface antirust performance of the mechanical parts, the invention provides the following technical scheme: a surface rust prevention treatment process for mechanical parts specifically comprises the following steps:
s1, grinding and polishing the surface of the mechanical part by using grinding and polishing equipment, and grinding and polishing the surface of the mechanical part until the whole surface is smooth;
s2, placing the polished mechanical parts into clean water for washing, wherein the temperature of the clean water is 50-70 ℃, and the washing time is 5-10 minutes;
s3, soaking and cleaning the washed mechanical parts in acid liquor for 3-5 minutes;
s4, putting the mechanical part subjected to acid leaching into cold water for quick water washing, removing acid liquor on the surface of the mechanical part, and removing impurities on the surface of the mechanical part;
s5, preparing a zinc plating solution, and plating zinc on the mechanical part by using a zinc plating device to plate a layer of zinc film on the surface of the mechanical part;
s6, drying the galvanized mechanical parts in a drying device for 10-15 minutes;
and S7, spraying the antirust agent on the surface of the mechanical part by using spraying equipment, standing for 3-5 minutes after spraying, and putting into a drying box for drying.
Preferably, after the step S1 is completed, the machine part is put into a degreasing agent to be degreased.
Preferably, the acid solution is an acetic acid solution with the mass concentration of 0.7% -1%.
Preferably, the rust remover is prepared from 5-9 parts of potassium silicate, 10-13 parts of acetic acid, 13-15 parts of sodium alginate and 10-14 parts of sodium nitrate.
Preferably, the oil removing agent is prepared from sodium hydroxide, sodium silicate, sodium tripolyphosphate and water.
Preferably, the zinc plating solution is specifically prepared from 0.03-0.07 part of zinc chloride, 0.04-0.08 part of hydrochloric acid, 0.04-0.09 part of ammonium chloride, 0.03-0.07 part of thiourea, 0.01-0.05 part of zinc oxide, 0.04-0.08 part of stannous chloride and water.
Preferably, the thickness of the zinc film in the step S5 is 0.004-0.007 mm.
(III) advantageous effects
Compared with the prior art, the invention provides a mechanical part surface rust prevention treatment process, which has the following beneficial effects:
according to the mechanical part surface rust prevention treatment process, multiple rust prevention layers can be formed on the surface of a mechanical part through oil removal, zinc plating and a rust remover, when one rust prevention layer is damaged, other rust prevention layers can still ensure the rust prevention performance of the mechanical part, so that the rust prevention performance of the mechanical part is prevented from losing when the surface of the mechanical part is damaged, and the rust prevention performance of the mechanical part is effectively improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 surface rust prevention treatment process for mechanical parts specifically comprises the following steps:
s1, grinding and polishing the surface of the mechanical part by using grinding and polishing equipment, and grinding and polishing the surface of the mechanical part until the whole surface is smooth;
s2, placing the polished mechanical parts into clean water for washing, wherein the temperature of the clean water is 50-70 ℃, and the washing time is 5-10 minutes;
s3, soaking and cleaning the washed mechanical parts in acid liquor for 3-5 minutes;
s4, putting the mechanical part subjected to acid leaching into cold water for quick water washing, removing acid liquor on the surface of the mechanical part, and removing impurities on the surface of the mechanical part;
s5, preparing a zinc plating solution, and plating zinc on the mechanical part by using a zinc plating device to plate a layer of zinc film on the surface of the mechanical part;
s6, drying the galvanized mechanical parts in a drying device for 10-15 minutes;
and S7, spraying the antirust agent on the surface of the mechanical part by using spraying equipment, standing for 3-5 minutes after spraying, and putting into a drying box for drying.
And (S1) after the step is finished, the mechanical part is put into the oil removing agent for oil removal, so that the oil on the surface of the mechanical part is prevented from influencing the galvanizing effect.
The acid solution is an acetic acid solution with the mass concentration of 0.7-1%.
The rust remover is prepared from 5-9 parts of potassium silicate, 10-13 parts of acetic acid, 13-15 parts of sodium alginate and 10-14 parts of sodium nitrate.
The oil removing agent is prepared from sodium hydroxide, sodium silicate, sodium tripolyphosphate and water.
The zinc plating liquid is specifically prepared from 0.03-0.07 part of zinc chloride, 0.04-0.08 part of hydrochloric acid, 0.04-0.09 part of ammonium chloride, 0.03-0.07 part of thiourea, 0.01-0.05 part of zinc oxide, 0.04-0.08 part of stannous chloride and water.
The thickness of the zinc film in the step S5 is 0.004-0.007mm, so that the galvanization anticorrosion functionality is ensured, and the normal size of the mechanical part is not influenced.
In conclusion, according to the rust prevention treatment process for the surface of the mechanical part, through oil removal, zinc plating and a rust remover, a plurality of rust prevention layers can be formed on the surface of the mechanical part, when one rust prevention layer is damaged, other rust prevention layers can still ensure the rust prevention performance of the mechanical part, so that the rust prevention performance of the mechanical part is prevented from losing when the surface of the mechanical part is damaged, and the rust prevention performance of the mechanical part is effectively improved.
It should be noted that the term "comprises/comprising" when used in this specification is taken to specify the presence of stated elements, integers, steps, operations, elements, components, and/or groups thereof, but does not exclude the presence or addition of other elements, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The surface rust prevention treatment process for the mechanical parts is characterized by comprising the following steps:
s1, grinding and polishing the surface of the mechanical part by using grinding and polishing equipment, and grinding and polishing the surface of the mechanical part until the whole surface is smooth;
s2, placing the polished mechanical parts into clean water for washing, wherein the temperature of the clean water is 50-70 ℃, and the washing time is 5-10 minutes;
s3, soaking and cleaning the washed mechanical parts in acid liquor for 3-5 minutes;
s4, putting the mechanical part subjected to acid leaching into cold water for quick water washing, removing acid liquor on the surface of the mechanical part, and removing impurities on the surface of the mechanical part;
s5, preparing a zinc plating solution, and plating zinc on the mechanical part by using a zinc plating device to plate a layer of zinc film on the surface of the mechanical part;
s6, drying the galvanized mechanical parts in a drying device for 10-15 minutes;
and S7, spraying the antirust agent on the surface of the mechanical part by using spraying equipment, standing for 3-5 minutes after spraying, and putting into a drying box for drying.
2. The mechanical part surface rust inhibiting treatment process according to claim 1, characterized in that: and after the step S1 is finished, putting the mechanical part into an oil removing agent for oil removal.
3. The mechanical part surface rust inhibiting treatment process according to claim 1, characterized in that: the acid solution is an acetic acid solution with the mass concentration of 0.7-1%.
4. The mechanical part surface rust inhibiting treatment process according to claim 1, characterized in that: the rust remover is specifically prepared from 5-9 parts of potassium silicate, 10-13 parts of acetic acid, 13-15 parts of sodium alginate and 10-14 parts of sodium nitrate.
5. The mechanical part surface rust inhibiting treatment process according to claim 2, characterized in that: the oil removing agent is prepared from sodium hydroxide, sodium silicate, sodium tripolyphosphate and water.
6. The mechanical part surface rust inhibiting treatment process according to claim 1, characterized in that: the zinc plating solution is specifically prepared from 0.03-0.07 part of zinc chloride, 0.04-0.08 part of hydrochloric acid, 0.04-0.09 part of ammonium chloride, 0.03-0.07 part of thiourea, 0.01-0.05 part of zinc oxide, 0.04-0.08 part of stannous chloride and water.
7. The mechanical part surface rust inhibiting treatment process according to claim 1, characterized in that: the thickness of the zinc film in the step S5 is 0.004-0.007 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328992.XA CN110923682A (en) | 2019-12-20 | 2019-12-20 | Surface rust-proof treatment process for mechanical parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328992.XA CN110923682A (en) | 2019-12-20 | 2019-12-20 | Surface rust-proof treatment process for mechanical parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110923682A true CN110923682A (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911328992.XA Withdrawn CN110923682A (en) | 2019-12-20 | 2019-12-20 | Surface rust-proof treatment process for mechanical parts |
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| CN (1) | CN110923682A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115717259A (en) * | 2022-11-15 | 2023-02-28 | 杭州龙耀电力配件有限公司 | Process for derusting and galvanizing and production line thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695891A (en) * | 2013-12-12 | 2014-04-02 | 江苏克罗德科技有限公司 | Environment-friendly hot-dipped galvanized steel plate and production method for same |
| CN105316670A (en) * | 2015-11-24 | 2016-02-10 | 苏州盖德精细材料有限公司 | Environment friendly stainless steel passivation solution and preparation method thereof |
| CN106756961A (en) * | 2016-12-19 | 2017-05-31 | 钦州市科学技术开发中心 | A kind of environmentally-friendly water-based antirust solution and preparation method thereof |
| CN108611629A (en) * | 2018-04-02 | 2018-10-02 | 青岛元汇丰企业管理咨询服务有限公司 | A kind of anti-corrosion treatment process on copper product surface |
| CN109023443A (en) * | 2018-08-13 | 2018-12-18 | 林州凤宝管业有限公司 | A kind of zinc-plated anti-corrosion treatment process of steel surface |
-
2019
- 2019-12-20 CN CN201911328992.XA patent/CN110923682A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695891A (en) * | 2013-12-12 | 2014-04-02 | 江苏克罗德科技有限公司 | Environment-friendly hot-dipped galvanized steel plate and production method for same |
| CN105316670A (en) * | 2015-11-24 | 2016-02-10 | 苏州盖德精细材料有限公司 | Environment friendly stainless steel passivation solution and preparation method thereof |
| CN106756961A (en) * | 2016-12-19 | 2017-05-31 | 钦州市科学技术开发中心 | A kind of environmentally-friendly water-based antirust solution and preparation method thereof |
| CN108611629A (en) * | 2018-04-02 | 2018-10-02 | 青岛元汇丰企业管理咨询服务有限公司 | A kind of anti-corrosion treatment process on copper product surface |
| CN109023443A (en) * | 2018-08-13 | 2018-12-18 | 林州凤宝管业有限公司 | A kind of zinc-plated anti-corrosion treatment process of steel surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115717259A (en) * | 2022-11-15 | 2023-02-28 | 杭州龙耀电力配件有限公司 | Process for derusting and galvanizing and production line thereof |
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Application publication date: 20200327 |
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