CN110106543A - The electrophoresis method of irony part - Google Patents
The electrophoresis method of irony part Download PDFInfo
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- CN110106543A CN110106543A CN201910331243.6A CN201910331243A CN110106543A CN 110106543 A CN110106543 A CN 110106543A CN 201910331243 A CN201910331243 A CN 201910331243A CN 110106543 A CN110106543 A CN 110106543A
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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
- C25D13/20—Pretreatment
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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
- C25D13/22—Servicing or operating apparatus or multistep processes
- C25D13/24—Regeneration of process liquids
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of electrophoresis methods of irony part comprising the steps of: one, pretreatment: (1) soak degreasing；(2) 1 is washed；(3) pickling；(4) 2 are washed；(5) antirust；Two, electrophoresis operation: (1) spray degreasing；(2) soak degreasing；(3) 1 is washed；(4) table tune；(5) phosphatization；(6) 2 are washed；(7) pure water washes 1；(8) bath/phosphatization is examined；(9) electrophoresis, using chemical reagent: PPG6100 impregnates, and solid divides 14-18, pigment 8-12 PH5.7-6.1, conductivity 1300-1800, handles the time 180 seconds, and temperature controls 30-34 degree；Electrophoretic voltage 100-300 volt；(10) recycling, ultrafiltration；(11) pure water washes 2；(12) water is blown；(13) wet film is examined；(14) toast；The electrophoresis method of irony part of the present invention is good to the electrophoretic effects of irony part, while can also recycle electrophoretic coating, reduces the dosage of cleaning pure water after electrophoresis, increases economic efficiency.
Description
Technical field
The present invention relates to a kind of pair of irony part electrophoretic effects are good, while electrophoretic coating can also be recycled, be cleaned after reducing electrophoresis
The dosage of pure water, the electrophoresis method for the irony part increased economic efficiency.
Background technique
With the fast development of piece surface technology, electrophoretic painting process is applied by its good processing performance
Into more and more industries.Many auto parts and components are all surface-treated using electrophoresis now, due to automobile vendor
To electrophoresis quality requirement height, the especially automobile vendor of High Tier Brand.It is good to research and develop a kind of pair of irony part electrophoretic effects for we thus,
Electrophoretic coating can also be recycled simultaneously, reduce the dosage of cleaning pure water after electrophoresis, the electrophoresis method for the irony part increased economic efficiency.
Summary of the invention
It is good that a kind of pair of irony part electrophoretic effects are provided the invention aims to overcome the deficiencies in the prior art, simultaneously also
Electrophoretic coating can be recycled, the dosage of cleaning pure water after electrophoresis, the electrophoresis method for the irony part increased economic efficiency are reduced.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of electrophoresis method of irony part, include following step
It is rapid:
One, it pre-processes
(1) soak degreasing: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 4-10 minutes, temperature
40-50 degree；
(2) wash 1: being impregnated using tap water, handled time 20-30 seconds, temperature uses room temperature；
(3) pickling: chemical agent is used: it is bright to obtain 3905, it impregnates, free acid 60-100, handles time 5-15 minutes, temperature 55-65
Degree；
(4) wash 2: being impregnated using tap water, handled time 20-30 seconds, temperature uses room temperature；
(5) antirust: chemical agent is used: bright 3502, it impregnates, free alkali 10-15, handles time 1-3 minutes, temperature 30-40
Degree；
Two, electrophoresis operation
(1) spray degreasing: chemical agent is used: bright 3301, spray, free alkali 13-18 is handled the time 120 seconds, temperature 40-50
Degree；
(2) soak degreasing: chemical agent is used: bright 3501, ultrasonic wave impregnates, free alkali 20-25, handles the time 160 seconds, temperature
Spend 40-50 degree, ultrasonic wave electric current 2-3A；
(3) wash 1: using the tap water spray process time 110-150 seconds, temperature used room temperature；
(4) table tune: use chemical agent: bright that surface conditioner, spray, pH value 8.0-9.5 are handled the time 60 seconds, temperature uses
Room temperature；
(5) phosphatization: chemical agent is used: bright 3618, it impregnates, total acidity 22-28, free acidity 0.4-1.2, handles the time 240
Second, temperature 34-38 degree；
(6) wash 2: using the tap water spray process time 60-100 seconds, temperature used room temperature；
(7) pure water washes 1: using the pure water spray process time 60-100 seconds, temperature uses room temperature；
(8) bath/phosphatization is examined: manually being used air gun and pure water rinsing product crevice place, while being checked product phosphatization appearance；
(9) electrophoresis: using chemical reagent: PPG6100, impregnates, and solid divides 14-18, pigment 8-12 PH5.7-6.1, conductivity
1300-1800 is handled the time 180 seconds, and temperature controls 30-34 degree；Electrophoretic voltage 100-300 volt；
(10) recycling, ultrafiltration: electrophoretic paint recycles the spray process time 80-150 seconds, and temperature uses room temperature；
(11) pure water washes 2: using the pure water spray process time 60-100 seconds, temperature uses room temperature；
(12) blow water: blowing away product surface moisture with air gun；
(13) wet film is examined: the appearance before toasting after inspection product electrophoresis；
(14) toast: baking oven baking, 210 degree of temperature, the time 45 minutes.
Preferably, the electrophoresis method of the irony part comprising the steps of:
One, it pre-processes
(1) soak degreasing 1: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 2-5 minutes, temperature
40-50 degree；
(2) soak degreasing 2: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 2-5 minutes, temperature
40-50 degree；
(3) wash 1: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(4) wash 2: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(5) pickling: chemical agent is used: it is bright to obtain 3905, it impregnates, free acid 60-100, handles time 5-15 minutes, temperature 55-65
Degree；
(6) wash 3: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(7) wash 4: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(8) antirust: chemical agent is used: bright 3502, it impregnates, free alkali 10-15, handles time 1-3 minutes, temperature 30-40
Degree；
Two, electrophoresis operation
(1) spray degreasing: chemical agent is used: bright 3301, spray, free alkali 13-18 is handled the time 120 seconds, temperature 40-50
Degree；
(2) soak degreasing: chemical agent is used: bright 3501, ultrasonic wave impregnates, free alkali 20-25, handles the time 160 seconds, temperature
Spend 40-50 degree, ultrasonic wave electric current 2-3A；
(3) wash 1: using the tap water spray process time 30 seconds, temperature used room temperature；
(4) wash 2: using the tap water immersion treatment time 50 seconds, temperature used room temperature；
(5) wash 3: using the tap water spray process time 30 seconds, temperature used room temperature；
(6) table tune: use chemical agent: bright that surface conditioner, spray, pH value 8.0-9.5 are handled the time 60 seconds, temperature uses
Room temperature；
(7) phosphatization: chemical agent is used: bright 3618, it impregnates, total acidity 22-28, free acidity 0.4-1.2, handles the time 240
Second, temperature 34-38 degree；
(8) wash 4: using the tap water spray process time 30 seconds, temperature used room temperature；
(9) wash 5: using the tap water spray process time 30 seconds, temperature used room temperature；
(10) pure water washes 1: using the pure water spray process time 30 seconds, temperature uses room temperature；
(11) pure water washes 2: using the pure water spray process time 30 seconds, temperature uses room temperature；
(12) bath/phosphatization is examined: manually being used air gun and pure water rinsing product crevice place, while being checked product phosphatization appearance；
(13) electrophoresis: using chemical reagent: PPG6100, impregnates, and solid divides 14-18, pigment 8-12 PH5.7-6.1, conductivity
1300-1800 is handled the time 180 seconds, and temperature controls 30-34 degree；Electrophoretic voltage 100-300 volt；
(14) recycling, ultrafiltration 1: electrophoretic paint recycles the spray process time 30 seconds, and temperature uses room temperature；
(15) recycling, ultrafiltration 2: electrophoretic paint recycles the immersion treatment time 50 seconds, and temperature uses room temperature；
(16) pure water washes 3: using the pure water spray process time 30 seconds, temperature uses room temperature；
(17) pure water washes 4: using the pure water spray process time 30 seconds, temperature uses room temperature；
(18) it blows water: blowing away product surface moisture with air gun；
(19) wet film is examined: the appearance before toasting after inspection product electrophoresis；
(20) it toasts: baking oven baking, 210 degree of temperature, the time 45 minutes.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
The electrophoresis method of irony part of the present invention is good to the electrophoretic effects of irony part, while can also recycle electrophoretic coating, drop
The dosage that pure water is cleaned after low electrophoresis, increases economic efficiency.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment one
The electrophoresis method of irony part of the present invention comprising the steps of:
One, it pre-processes
(1) soak degreasing: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 4-10 minutes, temperature
40-50 degree；
(2) wash 1: being impregnated using tap water, handled time 20-30 seconds, temperature uses room temperature；
(3) pickling: chemical agent is used: it is bright to obtain 3905, it impregnates, free acid 60-100, handles time 5-15 minutes, temperature 55-65
Degree；
(4) wash 2: being impregnated using tap water, handled time 20-30 seconds, temperature uses room temperature；
(5) antirust: chemical agent is used: bright 3502, it impregnates, free alkali 10-15, handles time 1-3 minutes, temperature 30-40
Degree；
Two, electrophoresis operation
(1) spray degreasing: chemical agent is used: bright 3301, spray, free alkali 13-18 is handled the time 120 seconds, temperature 40-50
Degree；
(2) soak degreasing: chemical agent is used: bright 3501, ultrasonic wave impregnates, free alkali 20-25, handles the time 160 seconds, temperature
Spend 40-50 degree, ultrasonic wave electric current 2-3A；
(3) wash 1: using the tap water spray process time 110-150 seconds, temperature used room temperature；
(4) table tune: use chemical agent: bright that surface conditioner, spray, pH value 8.0-9.5 are handled the time 60 seconds, temperature uses
Room temperature；
(5) phosphatization: chemical agent is used: bright 3618, it impregnates, total acidity 22-28, free acidity 0.4-1.2, handles the time 240
Second, temperature 34-38 degree；
(6) wash 2: using the tap water spray process time 60-100 seconds, temperature used room temperature；
(7) pure water washes 1: using the pure water spray process time 60-100 seconds, temperature uses room temperature；
(8) bath/phosphatization is examined: manually being used air gun and pure water rinsing product crevice place, while being checked product phosphatization appearance；
(9) electrophoresis: using chemical reagent: PPG6100, impregnates, and solid divides 14-18, pigment 8-12 PH5.7-6.1, conductivity
1300-1800 is handled the time 180 seconds, and temperature controls 30-34 degree；Electrophoretic voltage 100-300 volt；
(10) recycling, ultrafiltration (UF): electrophoretic paint recycles the spray process time 80-150 seconds, and temperature uses room temperature；
(11) pure water washes 2: using the pure water spray process time 60-100 seconds, temperature uses room temperature；
(12) blow water: blowing away product surface moisture with air gun；
(13) wet film is examined: the appearance before toasting after inspection product electrophoresis；
(14) toast: baking oven baking, 210 degree of temperature, the time 45 minutes.
Embodiment two
The electrophoresis method of irony part of the present invention comprising the steps of:
One, it pre-processes
(1) soak degreasing 1: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 2-5 minutes, temperature
40-50 degree；
(2) soak degreasing 2: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 2-5 minutes, temperature
40-50 degree；
(3) wash 1: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(4) wash 2: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(5) pickling: chemical agent is used: it is bright to obtain 3905, it impregnates, free acid 60-100, handles time 5-15 minutes, temperature 55-65
Degree；
(6) wash 3: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(7) wash 4: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(8) antirust: chemical agent is used: bright 3502, it impregnates, free alkali 10-15, handles time 1-3 minutes, temperature 30-40
Degree；
Two, electrophoresis operation
(1) spray degreasing: chemical agent is used: bright 3301, spray, free alkali 13-18 is handled the time 120 seconds, temperature 40-50
Degree；
(2) soak degreasing: chemical agent is used: bright 3501, ultrasonic wave impregnates, free alkali 20-25, handles the time 160 seconds, temperature
Spend 40-50 degree, ultrasonic wave electric current 2-3A；
(3) wash 1: using the tap water spray process time 30 seconds, temperature used room temperature；
(4) wash 2: using the tap water immersion treatment time 50 seconds, temperature used room temperature；
(5) wash 3: using the tap water spray process time 30 seconds, temperature used room temperature；
(6) table tune: use chemical agent: bright that surface conditioner, spray, pH value 8.0-9.5 are handled the time 60 seconds, temperature uses
Room temperature；
(7) phosphatization: chemical agent is used: bright 3618, it impregnates, total acidity 22-28, free acidity 0.4-1.2, handles the time 240
Second, temperature 34-38 degree；
(8) wash 4: using the tap water spray process time 30 seconds, temperature used room temperature；
(9) wash 5: using the tap water spray process time 30 seconds, temperature used room temperature；
(10) pure water washes 1: using the pure water spray process time 30 seconds, temperature uses room temperature；
(11) pure water washes 2: using the pure water spray process time 30 seconds, temperature uses room temperature；
(12) bath/phosphatization is examined: manually being used air gun and pure water rinsing product crevice place, while being checked product phosphatization appearance；
(13) electrophoresis: using chemical reagent: PPG6100, impregnates, and solid divides 14-18, pigment 8-12 PH5.7-6.1, conductivity
1300-1800 is handled the time 180 seconds, and temperature controls 30-34 degree；Electrophoretic voltage 100-300 volt；
(14) recycling, ultrafiltration 1(UF1): electrophoretic paint recycles the spray process time 30 seconds, and temperature uses room temperature；
(15) recycling, ultrafiltration 2 (UF2): electrophoretic paint recycles the immersion treatment time 50 seconds, and temperature uses room temperature；
(16) pure water washes 3: using the pure water spray process time 30 seconds, temperature uses room temperature；
(17) pure water washes 4: using the pure water spray process time 30 seconds, temperature uses room temperature；
(18) it blows water: blowing away product surface moisture with air gun；
(19) wet film is examined: the appearance before toasting after inspection product electrophoresis；
(20) it toasts: baking oven baking, 210 degree of temperature, the time 45 minutes.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
The electrophoresis method of irony part of the present invention is good to the electrophoretic effects of irony part, while can also recycle electrophoretic coating, drop
The dosage that pure water is cleaned after low electrophoresis, increases economic efficiency.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.
Claims (2)
1. the electrophoresis method of irony part comprising the steps of:
One, it pre-processes
(1) soak degreasing: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 4-10 minutes, temperature
40-50 degree；
(2) wash 1: being impregnated using tap water, handled time 20-30 seconds, temperature uses room temperature；
(3) pickling: chemical agent is used: it is bright to obtain 3905, it impregnates, free acid 60-100, handles time 5-15 minutes, temperature 55-65
Degree；
(4) wash 2: being impregnated using tap water, handled time 20-30 seconds, temperature uses room temperature；
(5) antirust: chemical agent is used: bright 3502, it impregnates, free alkali 10-15, handles time 1-3 minutes, temperature 30-40
Degree；
Two, electrophoresis operation
(1) spray degreasing: chemical agent is used: bright 3301, spray, free alkali 13-18 is handled the time 120 seconds, temperature 40-50
Degree；
(2) soak degreasing: chemical agent is used: bright 3501, ultrasonic wave impregnates, free alkali 20-25, handles the time 160 seconds, temperature
Spend 40-50 degree, ultrasonic wave electric current 2-3A；
(3) wash 1: using the tap water spray process time 110-150 seconds, temperature used room temperature；
(4) table tune: use chemical agent: bright that surface conditioner, spray, pH value 8.0-9.5 are handled the time 60 seconds, temperature uses
Room temperature；
(5) phosphatization: chemical agent is used: bright 3618, it impregnates, total acidity 22-28, free acidity 0.4-1.2, handles the time 240
Second, temperature 34-38 degree；
(6) wash 2: using the tap water spray process time 60-100 seconds, temperature used room temperature；
(7) pure water washes 1: using the pure water spray process time 60-100 seconds, temperature uses room temperature；
(8) bath/phosphatization is examined: manually being used air gun and pure water rinsing product crevice place, while being checked product phosphatization appearance；
(9) electrophoresis: using chemical reagent: PPG6100, impregnates, and solid divides 14-18, pigment 8-12 PH5.7-6.1, conductivity
1300-1800 is handled the time 180 seconds, and temperature controls 30-34 degree；Electrophoretic voltage 100-300 volt；
(10) recycling, ultrafiltration: electrophoretic paint recycles the spray process time 80-150 seconds, and temperature uses room temperature；
(11) pure water washes 2: using the pure water spray process time 60-100 seconds, temperature uses room temperature；
(12) blow water: blowing away product surface moisture with air gun；
(13) wet film is examined: the appearance before toasting after inspection product electrophoresis；
(14) toast: baking oven baking, 210 degree of temperature, the time 45 minutes.
2. the electrophoresis method of irony part according to claim 1 comprising the steps of:
One, it pre-processes
(1) soak degreasing 1: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 2-5 minutes, temperature
40-50 degree；
(2) soak degreasing 2: chemical agent is used: bright 3502, it impregnates, free alkali 18-25, handles time 2-5 minutes, temperature
40-50 degree；
(3) wash 1: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(4) wash 2: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(5) pickling: chemical agent is used: it is bright to obtain 3905, it impregnates, free acid 60-100, handles time 5-15 minutes, temperature 55-65
Degree；
(6) wash 3: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(7) wash 4: being impregnated using tap water, handled the time 10 seconds, temperature uses room temperature；
(8) antirust: chemical agent is used: bright 3502, it impregnates, free alkali 10-15, handles time 1-3 minutes, temperature 30-40
Degree；
Two, electrophoresis operation
(1) spray degreasing: chemical agent is used: bright 3301, spray, free alkali 13-18 is handled the time 120 seconds, temperature 40-50
Degree；
(2) soak degreasing: chemical agent is used: bright 3501, ultrasonic wave impregnates, free alkali 20-25, handles the time 160 seconds, temperature
Spend 40-50 degree, ultrasonic wave electric current 2-3A；
(3) wash 1: using the tap water spray process time 30 seconds, temperature used room temperature；
(4) wash 2: using the tap water immersion treatment time 50 seconds, temperature used room temperature；
(5) wash 3: using the tap water spray process time 30 seconds, temperature used room temperature；
(6) table tune: use chemical agent: bright that surface conditioner, spray, pH value 8.0-9.5 are handled the time 60 seconds, temperature uses
Room temperature；
(7) phosphatization: chemical agent is used: bright 3618, it impregnates, total acidity 22-28, free acidity 0.4-1.2, handles the time 240
Second, temperature 34-38 degree；
(8) wash 4: using the tap water spray process time 30 seconds, temperature used room temperature；
(9) wash 5: using the tap water spray process time 30 seconds, temperature used room temperature；
(10) pure water washes 1: using the pure water spray process time 30 seconds, temperature uses room temperature；
(11) pure water washes 2: using the pure water spray process time 30 seconds, temperature uses room temperature；
(12) bath/phosphatization is examined: manually being used air gun and pure water rinsing product crevice place, while being checked product phosphatization appearance；
(13) electrophoresis: using chemical reagent: PPG6100, impregnates, and solid divides 14-18, pigment 8-12 PH5.7-6.1, conductivity
1300-1800 is handled the time 180 seconds, and temperature controls 30-34 degree；Electrophoretic voltage 100-300 volt；
(14) recycling, ultrafiltration 1: electrophoretic paint recycles the spray process time 30 seconds, and temperature uses room temperature；
(15) recycling, ultrafiltration 2: electrophoretic paint recycles the immersion treatment time 50 seconds, and temperature uses room temperature；
(16) pure water washes 3: using the pure water spray process time 30 seconds, temperature uses room temperature；
(17) pure water washes 4: using the pure water spray process time 30 seconds, temperature uses room temperature；
(18) it blows water: blowing away product surface moisture with air gun；
(19) wet film is examined: the appearance before toasting after inspection product electrophoresis；
(20) it toasts: baking oven baking, 210 degree of temperature, the time 45 minutes.
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|---|---|---|---|
| CN201910331243.6A CN110106543A (en) | 2019-04-24 | 2019-04-24 | The electrophoresis method of irony part |
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| CN201910331243.6A CN110106543A (en) | 2019-04-24 | 2019-04-24 | The electrophoresis method of irony part |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481678A (en) * | 2020-10-30 | 2021-03-12 | 河南德力新能源汽车有限公司 | Automobile pretreatment electrophoresis process simultaneously suitable for multiple plates |
| CN113279036A (en) * | 2021-03-18 | 2021-08-20 | 太仓华庆汽车配件有限公司 | Electrophoresis method of iron piece |
| CN114134554A (en) * | 2021-10-27 | 2022-03-04 | 山东鲁玉减震系统技术有限公司 | Electrophoretic coating production method |
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| CN101059186A (en) * | 2007-05-25 | 2007-10-24 | 武汉立胜超滤科技发展有限公司 | Plastic-coated steel pipe for electrophoresis and its electrophoretic painting method and whole set apparatus |
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
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| CN101059186A (en) * | 2007-05-25 | 2007-10-24 | 武汉立胜超滤科技发展有限公司 | Plastic-coated steel pipe for electrophoresis and its electrophoretic painting method and whole set apparatus |
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112481678A (en) * | 2020-10-30 | 2021-03-12 | 河南德力新能源汽车有限公司 | Automobile pretreatment electrophoresis process simultaneously suitable for multiple plates |
| CN113279036A (en) * | 2021-03-18 | 2021-08-20 | 太仓华庆汽车配件有限公司 | Electrophoresis method of iron piece |
| CN114134554A (en) * | 2021-10-27 | 2022-03-04 | 山东鲁玉减震系统技术有限公司 | Electrophoretic coating production method |
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Application publication date: 20190809 |