CN110964888A - Method for removing parylene on surface of stainless steel part - Google Patents
Method for removing parylene on surface of stainless steel part Download PDFInfo
- Publication number
- CN110964888A CN110964888A CN201911360539.7A CN201911360539A CN110964888A CN 110964888 A CN110964888 A CN 110964888A CN 201911360539 A CN201911360539 A CN 201911360539A CN 110964888 A CN110964888 A CN 110964888A
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- CN
- China
- Prior art keywords
- stainless steel
- steel part
- defective
- parylene
- parylene coating
- 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
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C23G3/00—Apparatus for cleaning or pickling metallic material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a method for removing parylene on the surface of a stainless steel part, which comprises the steps of carrying out heat treatment on a defective stainless steel part with a parylene coating on the surface, then soaking the defective stainless steel part in stainless steel pickling passivation paste, then carrying out cleaning, then carrying out magnetic grinding, and finally cleaning and drying to obtain the stainless steel part without the parylene coating on the surface. The invention has the advantages of reducing reject ratio, effectively improving the utilization rate of resources, reducing cost and the like.
Description
Technical Field
The invention belongs to the technical field of surface treatment, and particularly relates to a method for removing parylene on the surface of a stainless steel piece.
Background
The method has the advantages that the defective products exist in a certain proportion when the parylene is plated on the surface of the stainless steel part, and an effective method for removing the parylene plating layer on the surface of the stainless steel part and re-plating the film is not available in the prior art, so that the great waste of the productivity is caused, therefore, the method for removing the parylene on the surface of the stainless steel part is provided, the reject ratio is reduced, the resource utilization rate is effectively improved, and the cost is reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a method for removing parylene on the surface of a stainless steel part, which can reduce the reject ratio, effectively improve the resource utilization rate and reduce the cost.
In order to solve the technical problems, the invention adopts the following technical scheme:
a method for removing parylene on the surface of a stainless steel part comprises the following steps:
(1) taking out the defective stainless steel piece with the parylene coating plated on the surface, putting the defective stainless steel piece into a vacuum furnace, heating the stainless steel piece from room temperature to 500 ℃ for 100 min;
(2) keeping the defective stainless steel piece which is placed in a vacuum furnace and is heated to 500 ℃ and is plated with the parylene coating on the surface, wherein the temperature range is 460-500 ℃, and the heat preservation time is 240 min;
(3) forcibly cooling the stainless steel defective product with the parylene coating plated on the surface after heat preservation by using a fan, cooling the stainless steel defective product with the parylene coating plated on the surface to 60 ℃, wherein the cooling time is 60min, and protective gas is filled into the vacuum furnace, and the pressure in the vacuum furnace is 50 KPa;
(4) soaking the stainless steel part defective product with the parylene coating plated on the surface after cooling in stainless steel pickling passivation paste for standing for 150 min;
(5) cleaning the stainless steel defective products after standing by using clear water or neutralizing liquid;
(6) carrying out magnetic grinding on the cleaned defective stainless steel part by using a magnetic grinding machine, removing parylene on the surface of the defective stainless steel part to obtain the stainless steel part with the surface not plated with the parylene coating, wherein the magnetic grinding machine has a magnetic needle weight range of 2 Kg-3 Kg, a magnetic needle specification of phi 0.5 multiplied by 10mm, a grinding time of 10 min-15 min, a rotating speed of 30 Hz-35 Hz and grinding fluid of 50 ml;
(7) and cleaning the stainless steel part which is subjected to magnetic grinding and has no parylene coating plated on the surface with clear water, drying the stainless steel part which has no parylene coating plated on the surface after drying water stains, and putting the stainless steel part into a drying furnace for drying at the drying temperature of 110 ℃ for 30 min.
And (4) the protective gas in the step (3) is argon.
By adopting the technical scheme, the invention has the following beneficial effects:
(1) when the stainless steel part surface treatment device is used, a stainless steel part defective product with a parylene coating plated on the surface is subjected to a series of heat treatment of heating, heat preservation and cooling, then is washed and placed into stainless steel pickling passivation paste for soaking, and finally is subjected to magnetic grinding, so that parylene on the surface of the stainless steel part defective product is thoroughly removed, and after the parylene on the surface of the stainless steel part defective product is removed, parylene can be plated on the stainless steel part again through washing and drying, so that the yield of the product is improved, the resource waste is reduced, and the cost is reduced;
(2) when the stainless steel defective products are cooled in the step (3), the filled protective gas is argon, and the argon can protect the stainless steel defective products from being damaged by external gas in the cooling process;
in conclusion, the invention has the advantages of reducing the reject ratio, effectively improving the resource utilization rate, reducing the cost and the like.
Detailed Description
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.
The invention discloses a method for removing parylene on the surface of a stainless steel piece, which comprises the following steps:
(1) taking out the defective stainless steel piece with the parylene coating plated on the surface, putting the defective stainless steel piece into a vacuum furnace, heating the stainless steel piece from room temperature to 500 ℃ for 100 min;
(2) keeping the temperature of the stainless steel defective product which is placed in a vacuum furnace and is heated to 500 ℃ and is plated with the parylene coating on the surface, wherein the temperature range is 460-500 ℃, the time for keeping the temperature is 240min, the vacuum furnace can be a vacuum sintering furnace, and the stainless steel defective product is heated by utilizing the vacuum environment, such as resistance heating, induction heating, microwave heating and the like;
(3) forcibly cooling the stainless steel defective product with the parylene coating plated on the surface after heat preservation by using a fan, cooling the stainless steel defective product with the parylene coating plated on the surface to 60 ℃, wherein the cooling time is 60min, and filling protective gas into the vacuum furnace, wherein the protective gas is argon, and the pressure in the vacuum furnace is 50 KPa;
(4) soaking the stainless steel part defective product which is cooled and has the surface plated with the parylene coating in stainless steel pickling passivation paste for standing for 150min, wherein the stainless steel pickling passivation paste selects MQ-500S type available in the market, the stainless steel pickling passivation paste is a chemical preparation for removing yellow, blue and black welding spots and oxide skin generated after welding and high-temperature processing of the stainless steel part, is suitable for ferrite, austenite and other stainless steel parts, the stainless steel piece is completely acid-washed and passivated to form a complete passive film, the corrosion resistance of the stainless steel piece can be effectively improved, the surface of the stainless steel is bright as new, the effect is excellent, during the pickling passivation process, dirt such as oil stain, rust spot, welding spot, oxide layer, free iron and the like on the surface of a workpiece can be removed at the same time, the surface of a stainless steel piece after treatment becomes uniform silvery white, the reaction speed is high, the cleaning is thorough, the viscosity is moderate, the observation is easy, and the corrosion to a substrate of a defective stainless steel piece is avoided;
(5) cleaning the stainless steel defective product after standing by using clear water or neutralizing liquid, and cleaning the acid remained on the surface of the stainless steel defective product by using the clear water or neutralizing liquid;
(6) carrying out magnetic grinding on the cleaned defective stainless steel part by using a magnetic grinding machine, removing parylene on the surface of the defective stainless steel part to obtain the stainless steel part with the surface not plated with the parylene coating, wherein the magnetic grinding machine has a magnetic needle weight range of 2 Kg-3 Kg, a specification of phi 0.5 multiplied by 10mm, a grinding time of 10 min-15 min, a rotating speed of 30 Hz-35 Hz and grinding liquid of 50ml, and the magnetic grinding machine conducts magnetic field jumping force to the stainless steel needle, the grinding material and the like to generate high-frequency rotation, vibration and reversing rolling of the entrained workpiece, scratch the surface of the workpiece, an inner hole of the workpiece, the surface of inner and outer teeth and friction of concave and convex surfaces, so as to achieve the effects of cleaning, removing oil dirt impurities, removing burrs and the like;
(7) and cleaning the stainless steel part which is subjected to magnetic grinding and has no parylene coating plated on the surface with clear water, drying the stainless steel part which has no parylene coating plated on the surface after drying water stains, and putting the stainless steel part into a drying furnace for drying at the drying temperature of 110 ℃ for 30 min.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (2)
1. A method for removing parylene on the surface of a stainless steel part is characterized by comprising the following steps:
(1) taking out the defective stainless steel piece with the parylene coating plated on the surface, putting the defective stainless steel piece into a vacuum furnace, heating the stainless steel piece from room temperature to 500 ℃ for 100 min;
(2) keeping the defective stainless steel piece which is placed in a vacuum furnace and is heated to 500 ℃ and is plated with the parylene coating on the surface, wherein the temperature range is 460-500 ℃, and the heat preservation time is 240 min;
(3) forcibly cooling the stainless steel defective product with the parylene coating plated on the surface after heat preservation by using a fan, cooling the stainless steel defective product with the parylene coating plated on the surface to 60 ℃, wherein the cooling time is 60min, and protective gas is filled into the vacuum furnace, and the pressure in the vacuum furnace is 50 KPa;
(4) soaking the stainless steel part defective product with the parylene coating plated on the surface after cooling in stainless steel pickling passivation paste for standing for 150 min;
(5) cleaning the stainless steel defective products after standing by using clear water or neutralizing liquid;
(6) carrying out magnetic grinding on the cleaned defective stainless steel part by using a magnetic grinding machine, removing parylene on the surface of the defective stainless steel part to obtain the stainless steel part with the surface not plated with the parylene coating, wherein the magnetic grinding machine has a magnetic needle weight range of 2 Kg-3 Kg, a magnetic needle specification of phi 0.5 multiplied by 10mm, a grinding time of 10 min-15 min, a rotating speed of 30 Hz-35 Hz and grinding fluid of 50 ml;
(7) and cleaning the stainless steel part which is subjected to magnetic grinding and has no parylene coating plated on the surface with clear water, drying the stainless steel part which has no parylene coating plated on the surface after drying water stains, and putting the stainless steel part into a drying furnace for drying at the drying temperature of 110 ℃ for 30 min.
2. The method for removing parylene from the surface of a stainless steel member according to claim 1, wherein: and (4) the protective gas in the step (3) is argon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911360539.7A CN110964888A (en) | 2019-12-25 | 2019-12-25 | Method for removing parylene on surface of stainless steel part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911360539.7A CN110964888A (en) | 2019-12-25 | 2019-12-25 | Method for removing parylene on surface of stainless steel part |
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| Publication Number | Publication Date |
|---|---|
| CN110964888A true CN110964888A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911360539.7A Pending CN110964888A (en) | 2019-12-25 | 2019-12-25 | Method for removing parylene on surface of stainless steel part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548498A (en) * | 2020-12-01 | 2021-03-26 | 湖北超卓航空科技股份有限公司 | Machining method for clamp of aviation V-shaped groove |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000932A1 (en) * | 2003-01-23 | 2005-01-06 | Gabriel Kaigham J. | Multi-metal layer MEMS structure and process for making the same |
| CN102017236A (en) * | 2005-03-31 | 2011-04-13 | 美蓓亚株式会社 | Electrode tool and method of manufacturing same |
| KR101066980B1 (en) * | 2010-04-01 | 2011-09-22 | 주식회사 누리텍 | Method for rustproofing stainless steel pipe of coating with parylene |
| CN102844856A (en) * | 2010-02-25 | 2012-12-26 | Spts科技有限公司 | Method of forming and patterning conformal insulation layer in vias and etched structures |
| CN105386030A (en) * | 2015-12-04 | 2016-03-09 | 航天精工股份有限公司 | Stainless steel surface processing method |
| CN108925059A (en) * | 2018-08-03 | 2018-11-30 | 夏禹纳米科技（深圳）有限公司 | A kind of Parylene film layer removes film method |
-
2019
- 2019-12-25 CN CN201911360539.7A patent/CN110964888A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000932A1 (en) * | 2003-01-23 | 2005-01-06 | Gabriel Kaigham J. | Multi-metal layer MEMS structure and process for making the same |
| CN102017236A (en) * | 2005-03-31 | 2011-04-13 | 美蓓亚株式会社 | Electrode tool and method of manufacturing same |
| CN102844856A (en) * | 2010-02-25 | 2012-12-26 | Spts科技有限公司 | Method of forming and patterning conformal insulation layer in vias and etched structures |
| KR101066980B1 (en) * | 2010-04-01 | 2011-09-22 | 주식회사 누리텍 | Method for rustproofing stainless steel pipe of coating with parylene |
| CN105386030A (en) * | 2015-12-04 | 2016-03-09 | 航天精工股份有限公司 | Stainless steel surface processing method |
| CN108925059A (en) * | 2018-08-03 | 2018-11-30 | 夏禹纳米科技（深圳）有限公司 | A kind of Parylene film layer removes film method |
Non-Patent Citations (2)
| Title |
|---|
| 中国真空学会编: "《中国真空学会第二届年会论文集 （短文和摘要） 二卷》", 31 December 1983 * |
| 纳米防水网: "安全去除聚对二甲苯涂层", 《派瑞林技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548498A (en) * | 2020-12-01 | 2021-03-26 | 湖北超卓航空科技股份有限公司 | Machining method for clamp of aviation V-shaped groove |
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Application publication date: 20200407 |