CN106835243A - Automobile electrophoresis process - Google Patents
Automobile electrophoresis process Download PDFInfo
- Publication number
- CN106835243A CN106835243A CN201710087502.6A CN201710087502A CN106835243A CN 106835243 A CN106835243 A CN 106835243A CN 201710087502 A CN201710087502 A CN 201710087502A CN 106835243 A CN106835243 A CN 106835243A
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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
- C25D13/00—Electrophoretic coating characterised by the process
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of automobile electrophoresis process, it is related to piece surface processing technology field;This automobile electrophoresis process, including upper part, degreasing, rust and washing, phosphatization, pure water embathes, electrophoresis, ultrafiltration Water spray, pure water embathe, dry and lower part operation;The present invention can be solved in the prior art because automobile electrophoresis process is unstable, cause the problem of the salt spray test standard requirement that automobile factory is not reached by the auto parts of electrophoresis.
Description
Technical field
The present invention relates to piece surface processing technology field, especially a kind of automobile electrophoresis work for automobile bottom diskware
Skill.
Background technology
The process of surface treatment of current automobile bottom diskware mainly has a modes such as nigrescence, plating and electrophoresis, and due to blacking and
Electroplating processes are typically not capable of the salt spray test standard that automobile factory specifies, the auto parts and components for supplying automobile factory are mostly to use vapour
Car electrophoresis process is surface-treated, and electrophoresis is divided into two kinds of anodic electrophoresis and ability cathode electrophoresis, and anodic electrophoresis production cost is relatively low, but
Surface quality of workpieces is often poor after treatment;The workpiece of ability cathode electrophoresis is negative electrode, and anodic solution, workpiece surface and phosphatization do not occur
Film is not destroyed, and electrophoretic coating has protective effect to metal, and paint valency used is high of fine quality;Some automobile component part supply producers due to
Automobile electrophoresis process is unstable, causes not reaching the salt spray test standard of automobile factory by the auto parts and components of electrophoresis.
The content of the invention
It is an object of the invention to provide a kind of automobile electrophoresis process, can solve the problem that in the prior art due to automobile electrophoresis process
It is unstable,
Cause the problem of the salt spray test standard requirement that automobile factory is not reached by the auto parts of electrophoresis.
In order to solve the above problems, the technical solution adopted by the present invention is:This automobile electrophoresis process, including following step
Suddenly:
A kind of automobile electrophoresis process, comprises the following steps:
A, upper part:Pending workpiece is put into hook;
B, degreasing:Workpiece carries out degreasing, skimming temp into degreasing bath:50 DEG C -60 DEG C, time:2min~3min, basicity:9pt
~13pt, oil content:5g/l≤;
C, rust cleaning:Eliminated rust into pickling tube by the workpiece of degreasing;
D, washing:Washed into clear water reserviors by the workpiece for eliminating rust, water quality requirement:Running water dustiness is less than 1.0, temperature:Room
Temperature, washing time:1~2 minute;
E, phosphatization:Phosphating pond phosphatization, free acid are carried out by the workpiece washed:0.7~1.1 point, total acid:18~25 points, promote
Agent:2~4kg, phosphating time:3 minutes~5 minutes;
F, pure water embathe:Embathed into pure water pond by parkerized workpiece, pure water water quality requirement:Pure water conductivity:≤50μ
S/ ㎝, embathe temperature:Room temperature, scavenging period:1~2 minute;
G, electrophoresis:The workpiece embathed through pure water carries out electrophoresis into tiselius apparatus, when workpiece enters electrophoresis tank, starts the circulation of pole liquid same
Shi Qidong dc sources;
H, ultrafiltration Water spray:Enter ultrafiltration by the workpiece of electrophoresis and spray room spraying-rinsing, water quality requirement:Ultrafiltration water conductivity:
400~600 μ S/ ㎝, temperature:Normal temperature, spray time:2 minutes;
I, pure water embathe:The workpiece sprayed through ultrafiltration, into the cleaning of the second pure water pond, water quality requirement:Pure water conductivity:≤30
μ S/ ㎝, cleaning temperature:Room temperature, scavenging period:1 point~2 minutes;
J, drying:Dried into drying chamber through the workpiece of over cleaning, heating zone air themperature:170 DEG C~190 DEG C, insulation
Area's air themperature:170 DEG C~200 DEG C, drying time:30 minutes~35 minutes;
K, lower part:Transported frock is put by the workpiece of drying.
In above technical scheme, further scheme is:G steps electrophoresis requires that technical parameter is:Temperature:28 DEG C~30
DEG C, the time:3 minutes~5 minutes, voltage:150V~220V, tank liquor solid part:17%~18%, pH value:5.8~6.2, conductance
Rate:900~1500≤50 μ S/ ㎝, solvent:2.5%~3.5%, pigment:0.28-0.32, anolyte pH value:2.5-
3.5。
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art:
1st, the auto parts being surface-treated using this automobile electrophoresis process, absolutely by salt spray test requirement.
Specific embodiment
The present invention is further described with reference to embodiment:
This automobile electrophoresis process, comprises the following steps:
A, upper part:Pending workpiece is put into hook;
B, degreasing:Workpiece carries out degreasing, skimming temp into degreasing bath:50 DEG C -60 DEG C, time:2min~3min, basicity:9pt
~13pt, oil content:5g/l≤;
C, rust cleaning:Eliminated rust into pickling tube by the workpiece of degreasing;
D, washing:Washed into clear water reserviors by the workpiece for eliminating rust, water quality requirement:Running water dustiness is less than 1.0, temperature:Room
Temperature, washing time:1~2 minute;
E, phosphatization:Phosphating pond phosphatization, free acid are carried out by the workpiece washed:0.7~1.1 point, total acid:18~25 points, promote
Agent:2~4kg, phosphating time:3 minutes~5 minutes;
F, pure water embathe:Embathed into pure water pond by parkerized workpiece, pure water water quality requirement:Pure water conductivity:≤50μ
S/ ㎝, embathe temperature:Room temperature, scavenging period:1~2 minute;
G, electrophoresis:The workpiece embathed through pure water carries out electrophoresis into tiselius apparatus, when workpiece enters electrophoresis tank, starts the circulation of pole liquid same
Shi Qidong dc sources;
H, ultrafiltration Water spray:Enter ultrafiltration by the workpiece of electrophoresis and spray room spraying-rinsing, water quality requirement:Ultrafiltration water conductivity:
400~600 μ S/ ㎝, temperature:Normal temperature, spray time:2 minutes;
I, pure water embathe:The workpiece sprayed through ultrafiltration, into the cleaning of the second pure water pond, water quality requirement:Pure water conductivity:≤30
μ S/ ㎝, cleaning temperature:Room temperature, scavenging period:1 point~2 minutes;
J, drying:Dried into drying chamber through the workpiece of over cleaning, heating zone air themperature:170 DEG C~190 DEG C, insulation
Area's air themperature:170 DEG C~200 DEG C, drying time:30 minutes~35 minutes;
K, lower part:Transported frock is put by the workpiece of drying.
In above technical scheme, further scheme is:G steps electrophoresis requires that technical parameter is:Temperature:28 DEG C~30
DEG C, the time:3 minutes~5 minutes, voltage:150V~220V, tank liquor solid part:17%~18%, pH value:5.8~6.2, conductance
Rate:900~1500≤50 μ S/ ㎝, solvent:2.5%~3.5%, pigment:0.28-0.32, anolyte pH value:2.5-
3.5。
Claims (2)
1. a kind of automobile electrophoresis process, it is characterised in that:Comprise the following steps:
A, upper part:Pending workpiece is put into hook;
B, degreasing:Workpiece carries out degreasing, skimming temp into degreasing bath:50 DEG C -60 DEG C, time:2.5min~3min, basicity:
10pt~13pt, oil content:6g/l≤;
C, rust cleaning:Eliminated rust into pickling tube by the workpiece of degreasing;
D, washing:Washed into clear water reserviors by the workpiece for eliminating rust, water quality requirement:Running water dustiness is less than 1.0, temperature:Room
Temperature, washing time:1~2.5 minute;
E, phosphatization:Phosphating pond phosphatization, free acid are carried out by the workpiece washed:0.8~1.2 point, total acid:19~25 points, promote
Agent:2~5kg, phosphating time:4 minutes~5 minutes;
F, pure water embathe:Embathed into pure water pond by parkerized workpiece, pure water water quality requirement:Pure water conductivity:≤50μ
S/ ㎝, embathe temperature:Room temperature, scavenging period:1~2.5 minute;
G, electrophoresis:The workpiece embathed through pure water carries out electrophoresis into tiselius apparatus, when workpiece enters electrophoresis tank, starts the circulation of pole liquid same
Shi Qidong dc sources;
H, ultrafiltration Water spray:Enter ultrafiltration by the workpiece of electrophoresis and spray room spraying-rinsing, water quality requirement:Ultrafiltration water conductivity:
400~600 μ S/ ㎝, temperature:Normal temperature, spray time:2.5 minutes;
I, pure water embathe:The workpiece sprayed through ultrafiltration, into the cleaning of the second pure water pond, water quality requirement:Pure water conductivity:≤30
μ S/ ㎝, cleaning temperature:Room temperature, scavenging period:1.5 points~2 minutes;
J, drying:Dried into drying chamber through the workpiece of over cleaning, heating zone air themperature:170 DEG C~190 DEG C, insulation
Area's air themperature:170 DEG C~200 DEG C, drying time:30 minutes~35 minutes;
K, lower part:Transported frock is put by the workpiece of drying.
2. automobile electrophoresis process according to claim 1, it is characterised in that:G steps electrophoresis requires that technical parameter is:Temperature
Degree:28 DEG C~30 DEG C, time:4 minutes~5 minutes, voltage:160V~220V, tank liquor solid part:17%~18%, pH value:
5.8~6.2 electrical conductivity:900~1500≤50 μ S/ ㎝, solvent:2.5%~3.5%, pigment:0.28-0.32, anode
Liquid pH value:2.7-3.5.
Priority Applications (1)
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CN201710087502.6A CN106835243A (en) | 2017-02-17 | 2017-02-17 | Automobile electrophoresis process |
Applications Claiming Priority (1)
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---|---|---|---|
CN201710087502.6A CN106835243A (en) | 2017-02-17 | 2017-02-17 | Automobile electrophoresis process |
Publications (1)
Publication Number | Publication Date |
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CN106835243A true CN106835243A (en) | 2017-06-13 |
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CN201710087502.6A Pending CN106835243A (en) | 2017-02-17 | 2017-02-17 | Automobile electrophoresis process |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109055880A (en) * | 2018-09-27 | 2018-12-21 | 宁波亚大金属表面处理有限公司 | Zinc-plated rear electrophoresis technique |
CN109797421A (en) * | 2019-03-01 | 2019-05-24 | 统崴精密涂装(上海)有限公司 | A kind of auto parts electrophoresis process |
CN110093653A (en) * | 2019-04-17 | 2019-08-06 | 河南平原智能装备股份有限公司 | Body of a motor car electrophoretic coating production line |
CN111118580A (en) * | 2020-03-17 | 2020-05-08 | 常熟华庆汽车部件有限公司 | Electrophoresis process of automobile parts |
CN111621831A (en) * | 2020-04-21 | 2020-09-04 | 昆山永生涂装有限公司 | Electrophoresis process for part local non-coating |
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CN103088393A (en) * | 2013-01-07 | 2013-05-08 | 昆山田盛汽车配件有限公司 | Surface treatment method of automobile covering parts |
CN103252310A (en) * | 2013-05-31 | 2013-08-21 | 北汽(广州)汽车有限公司 | Passenger vehicle painting technology |
CN104060316A (en) * | 2014-05-26 | 2014-09-24 | 安徽红桥金属制造有限公司 | Surface treatment method for spring |
CN104389004A (en) * | 2013-11-17 | 2015-03-04 | 苏志强 | Electrophoresis technology |
CN104694996A (en) * | 2015-02-13 | 2015-06-10 | 柳州五菱汽车有限责任公司 | Electrophoresis pretreatment process for vehicle parts |
CN104988562A (en) * | 2015-07-02 | 2015-10-21 | 镇江市宝华半挂车配件有限公司 | Electrophoresis processing method for casting part |
CN106191966A (en) * | 2016-08-27 | 2016-12-07 | 合肥普庆新材料科技有限公司 | A kind of ornamental electrophoretic paint coating process containing argentum powder |
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2017
- 2017-02-17 CN CN201710087502.6A patent/CN106835243A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103088393A (en) * | 2013-01-07 | 2013-05-08 | 昆山田盛汽车配件有限公司 | Surface treatment method of automobile covering parts |
CN103252310A (en) * | 2013-05-31 | 2013-08-21 | 北汽(广州)汽车有限公司 | Passenger vehicle painting technology |
CN104389004A (en) * | 2013-11-17 | 2015-03-04 | 苏志强 | Electrophoresis technology |
CN104060316A (en) * | 2014-05-26 | 2014-09-24 | 安徽红桥金属制造有限公司 | Surface treatment method for spring |
CN104694996A (en) * | 2015-02-13 | 2015-06-10 | 柳州五菱汽车有限责任公司 | Electrophoresis pretreatment process for vehicle parts |
CN104988562A (en) * | 2015-07-02 | 2015-10-21 | 镇江市宝华半挂车配件有限公司 | Electrophoresis processing method for casting part |
CN106191966A (en) * | 2016-08-27 | 2016-12-07 | 合肥普庆新材料科技有限公司 | A kind of ornamental electrophoretic paint coating process containing argentum powder |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109055880A (en) * | 2018-09-27 | 2018-12-21 | 宁波亚大金属表面处理有限公司 | Zinc-plated rear electrophoresis technique |
CN109055880B (en) * | 2018-09-27 | 2020-09-01 | 宁波亚大金属表面处理有限公司 | Electrophoresis process after galvanization |
CN109797421A (en) * | 2019-03-01 | 2019-05-24 | 统崴精密涂装(上海)有限公司 | A kind of auto parts electrophoresis process |
CN110093653A (en) * | 2019-04-17 | 2019-08-06 | 河南平原智能装备股份有限公司 | Body of a motor car electrophoretic coating production line |
CN110093653B (en) * | 2019-04-17 | 2023-12-19 | 河南平原智能装备股份有限公司 | Automobile body electrophoresis coating production line |
CN111118580A (en) * | 2020-03-17 | 2020-05-08 | 常熟华庆汽车部件有限公司 | Electrophoresis process of automobile parts |
CN111621831A (en) * | 2020-04-21 | 2020-09-04 | 昆山永生涂装有限公司 | Electrophoresis process for part local non-coating |
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Application publication date: 20170613 |