CN102430506A - Paint coating process for radiator cast - Google Patents
Paint coating process for radiator cast Download PDFInfo
- Publication number
- CN102430506A CN102430506A CN2011104187028A CN201110418702A CN102430506A CN 102430506 A CN102430506 A CN 102430506A CN 2011104187028 A CN2011104187028 A CN 2011104187028A CN 201110418702 A CN201110418702 A CN 201110418702A CN 102430506 A CN102430506 A CN 102430506A
- Authority
- CN
- China
- Prior art keywords
- radiator
- foundry goods
- phosphatization
- time
- groove
- 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.)
- Pending
Links
Abstract
The invention discloses a paint coating process for a radiator cast. The paint coating process comprises the following steps of: immersing the radiator cast in a rinsing tank for cleaning, performing acid-cleaning for derusting, performing surface conditioning, phosphorizing, baking, coating paint and drying. According to the process disclosed by the invention, the quality of products can be ensured and the yield of the products is increased; and simultaneously, as various operation steps are stipulated, the occurrence of accidents can be effectively avoided, the paint coating efficiency is improved and the production cost is saved.
Description
Technical field
The present invention designs a kind of enamelling process that is used for the radiator foundry goods.
Background technology
At present a lot of products all are metallic articles, in order to let metallic surface have smooth color and luster, and make it obtain excellent protection; Waterproof with avoid oxidation; Need be at the finish coatings of these foundry goods goods, existing enamelling process operating procedure is relatively more chaotic, and perhaps processing procedure is lack of standardization; Be difficult to guarantee product quality, be necessary further to improve.
Summary of the invention
To the deficiency of prior art, the present invention provides a kind of stay in grade, and is corrosion-resistant, anti-oxidant, the enamelling process that is used for the radiator foundry goods that heat dispersion is good
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
Be used for the enamelling process of radiator foundry goods, comprise the steps:
(1) temperature in the control rinse bath immerses the radiator foundry goods in the rinse bath in 90~95 ℃ of scopes, leaves standstill 5~8 minutes, will clean through the radiator foundry goods water of oil removal treatment;
(2) the radiator foundry goods after above-mentioned steps is cleaned is put in the descaling bath, and the temperature of control descaling bath is in 15~25 ℃ of scopes, and pickling 3~8 minutes will be cleaned through the radiator foundry goods water that removes the pickling processing;
(3) radiator foundry goods cleaned in the step (2) is put into table and transfer groove; Adjust injecting table in the groove; The pH value that control table is adjusted is in 7.5~9.5 scopes, and control table transfers the interior temperature of groove in 15~25 ℃ of scopes, and the radiator foundry goods is carried out surface treatment half a minute;
(4) surface treatment in the step (3) is good radiator foundry goods is put into the first phosphatization groove; Carry out the phosphatization first time; Control the interior phosphatization liquid temp of the first phosphatization groove in 80~90 ℃ of scopes; Phosphating time 15 minutes carries out the phosphatization first time, will clean through the good radiator foundry goods water of the phosphatization first time;
(5) the radiator foundry goods of the phosphatization in the step (4) is put into the second phosphatization groove; Control the interior phosphatization liquid temp of the second phosphatization groove in 95~98 ℃ of scopes; Phosphating time 15 minutes carries out the phosphatization second time, will clean through the good radiator foundry goods water of the phosphatization second time;
(6) moisture is removed in the radiator foundry goods baking through the secondary phosphatization in the step (5);
(7) the radiator foundry goods through baking in the step (6) is painted;
(8) the radiator foundry goods after the japanning in the step (7) is carried out drying.
To be by concentration that 20% technical hydrochloric acid adds 0.2~0.3% restrainer formulated for the used pickle of descaling bath in the described step (2).
The used phosphatization liquid of the phosphatization first time is selected Zinc phosphating solution for use in the described step (4).
The used phosphatization liquid of the phosphatization second time is selected manganese-series phosphorized complex liquid for use in the described step (5).
Described technical hydrochloric acid is selected 31% technical hydrochloric acid for use.
It is the restrainer of DH-1002 that described restrainer is selected model for use.
It is the Zinc phosphating solution of GT-LH302 that described Zinc phosphating solution is selected model for use.
Described manganese-series phosphorized complex liquid is preparation in 1: 10 by manganese phosphating liquor and water by volumetric ratio.
It is the manganese phosphating liquor model of WX-988-5 that described manganese phosphating liquor is selected model for use.
In the technical scheme that the present invention adopts, wherein: the phosphating process process is the process that a kind of chemistry and electrochemical reaction form the phosphate chemical conversion film, and formed phosphate conversion film is referred to as phosphating coat.In the technical scheme of the present invention, the main purpose of its phosphatization is protection to parent metal to be provided, and prevents that to a certain extent metal is corroded, the preceding bottoming that is used to simultaneously paint, the adhesive force and the anti-corrosion capability of raising paint film layer.Zinc phosphating makes the phosphating coat structure be faller gill closely to heap; The manganese-series phosphorized phosphating coat structure that makes is the close heap of particle, favorable rust preventing effect, and technical scheme of the present invention adopts phosphatization twice; Make the radiator cast(ing) surface form two-layer phosphating coat; Can effectively protect the radiator foundry goods, improve the service life of radiator foundry goods, also can improve the adhesive force of japanning simultaneously.
Beneficial effect of the present invention is: utilize this process, the radiator casting quality is stable, and corrosion-resistant, anti-oxidant, heat dispersion is good, improves the adhesive force of japanning efficient and japanning simultaneously.
The specific embodiment
Through specific embodiment, the present invention is done detailed description below.
Embodiment 1
Be used for the enamelling process of radiator foundry goods, comprise the steps:
(1) temperature in the control rinse bath immerses the radiator foundry goods in the rinse bath in 90 ℃ of scopes, leaves standstill 5 minutes, will clean through the radiator foundry goods water of oil removal treatment;
(2) the radiator foundry goods after above-mentioned steps is cleaned is put in the descaling bath; The temperature of control descaling bath is in 15 ℃ of scopes; Pickling 3 minutes; To clean through removing the radiator foundry goods water that pickling handles, this pickle is that to add 0.2% model be that the restrainer of DH-1002 is formulated for 20% 31% technical hydrochloric acid by concentration.
(3) radiator foundry goods cleaned in the step (2) is put into table and transfer groove, injection table in the groove is adjusted, the pH value that control table is adjusted is in 7.5 scopes, and control table transfers the interior temperature of groove in 15 ℃ of scopes, and the radiator foundry goods is carried out surface treatment half a minute;
(4) surface treatment in the step (3) is good radiator foundry goods is put into the first phosphatization groove; Carry out the phosphatization first time; Control the interior phosphatization liquid temp of the first phosphatization groove in 80 ℃ of scopes, phosphating time 15 minutes carries out the phosphatization first time; To clean through the good radiator foundry goods water of the phosphatization first time, it is the Zinc phosphating solution of GT-LH302 that this phosphatization liquid is selected model for use;
(5) the radiator foundry goods of the phosphatization in the step (4) is put into the second phosphatization groove; Control the interior phosphatization liquid temp of the second phosphatization groove in 95 ℃ of scopes; Phosphating time 15 minutes carries out the phosphatization second time, will clean through the good radiator foundry goods water of the phosphatization second time; Described manganese-series phosphorized complex liquid is that manganese phosphating liquor and the water of WX-988-5 is preparation in 1: 10 by volumetric ratio by model.
(6) moisture is removed in the radiator foundry goods baking through the secondary phosphatization in the step (5);
(7) the radiator foundry goods through baking in the step (6) is painted;
(8) the radiator foundry goods after the japanning in the step (7) is carried out drying.
Embodiment 2
Be used for the enamelling process of radiator foundry goods, comprise the steps:
(1) temperature in the control rinse bath immerses the radiator foundry goods in the rinse bath in 90 ℃ of scopes, leaves standstill 5 minutes, will clean through the radiator foundry goods water of oil removal treatment;
(2) the radiator foundry goods after above-mentioned steps is cleaned is put in the descaling bath; The temperature of control descaling bath is in 15 ℃ of scopes; Pickling 3 minutes; To clean through removing the radiator foundry goods water that pickling handles, this pickle is that to add 0.2% model be that the restrainer of DH-1002 is formulated for 20% 31% technical hydrochloric acid by concentration.
(3) radiator foundry goods cleaned in the step (2) is put into table and transfer groove, injection table in the groove is adjusted, the pH value that control table is adjusted is in 7.5 scopes, and control table transfers the interior temperature of groove in 15 ℃ of scopes, and the radiator foundry goods is carried out surface treatment half a minute;
(4) surface treatment in the step (3) is good radiator foundry goods is put into the first phosphatization groove; Carry out the phosphatization first time; Control the interior phosphatization liquid temp of the first phosphatization groove in 80 ℃ of scopes, phosphating time 15 minutes carries out the phosphatization first time; To clean through the good radiator foundry goods water of the phosphatization first time, it is the Zinc phosphating solution of GT-LH302 that this phosphatization liquid is selected model for use;
(5) the radiator foundry goods of the phosphatization in the step (4) is put into the second phosphatization groove; Control the interior phosphatization liquid temp of the second phosphatization groove in 95 ℃ of scopes; Phosphating time 15 minutes carries out the phosphatization second time, will clean through the good radiator foundry goods water of the phosphatization second time; Described manganese-series phosphorized complex liquid is that manganese phosphating liquor and the water of WX-988-5 is preparation in 1: 10 by volumetric ratio by model.
(6) moisture is removed in the radiator foundry goods baking through the secondary phosphatization in the step (5);
(7) the radiator foundry goods through baking in the step (6) is painted;
(8) the radiator foundry goods after the japanning in the step (7) is carried out drying.
Embodiment 3
Be used for the enamelling process of radiator foundry goods, comprise the steps:
(1) temperature in the control rinse bath immerses the radiator foundry goods in the rinse bath in 93 ℃ of scopes, leaves standstill 7 minutes, will clean through the radiator foundry goods water of oil removal treatment;
(2) the radiator foundry goods after above-mentioned steps is cleaned is put in the descaling bath; The temperature of control descaling bath is in 20 ℃ of scopes; Pickling 6 minutes; To clean through removing the radiator foundry goods water that pickling handles, this pickle is that to add 0.26% model be that the restrainer of DH-1002 is formulated for 20% 31% technical hydrochloric acid by concentration.
(3) radiator foundry goods cleaned in the step (2) is put into table and transfer groove, injection table in the groove is adjusted, the pH value that control table is adjusted is in 8 scopes, and control table transfers the interior temperature of groove in 15 ℃ of scopes, and the radiator foundry goods is carried out surface treatment half a minute;
(4) surface treatment in the step (3) is good radiator foundry goods is put into the first phosphatization groove; Carry out the phosphatization first time; Control the interior phosphatization liquid temp of the first phosphatization groove in 85 ℃ of scopes, phosphating time 15 minutes carries out the phosphatization first time; To clean through the good radiator foundry goods water of the phosphatization first time, it is the Zinc phosphating solution of GT-LH302 that this phosphatization liquid is selected model for use;
(5) the radiator foundry goods of the phosphatization in the step (4) is put into the second phosphatization groove; Control the interior phosphatization liquid temp of the second phosphatization groove in 97 ℃ of scopes; Phosphating time 15 minutes carries out the phosphatization second time, will clean through the good radiator foundry goods water of the phosphatization second time; Described manganese-series phosphorized complex liquid is that manganese phosphating liquor and the water of WX-988-5 is preparation in 1: 10 by volumetric ratio by model.
(6) moisture is removed in the radiator foundry goods baking through the secondary phosphatization in the step (5);
(7) the radiator foundry goods through baking in the step (6) is painted;
(8) the radiator foundry goods after the japanning in the step (7) is carried out drying.
Claims (9)
1. be used for the enamelling process of radiator foundry goods, it is characterized in that, comprise the steps:
(1) temperature in the control rinse bath immerses the radiator foundry goods in the rinse bath in 90~95 ℃ of scopes, leaves standstill 5~8 minutes, will clean through the radiator foundry goods water of oil removal treatment;
(2) the radiator foundry goods after above-mentioned steps is cleaned is put in the descaling bath, and the temperature of control descaling bath is in 15~25 ℃ of scopes, and pickling 3~8 minutes will be cleaned through the radiator foundry goods water that removes the pickling processing;
(3) radiator foundry goods cleaned in the step (2) is put into table and transfer groove; Adjust injecting table in the groove; The pH value that control table is adjusted is in 7.5~9.5 scopes, and control table transfers the interior temperature of groove in 15~25 ℃ of scopes, and the radiator foundry goods is carried out surface treatment half a minute;
(4) surface treatment in the step (3) is good radiator foundry goods is put into the first phosphatization groove; Carry out the phosphatization first time; Control the interior phosphatization liquid temp of the first phosphatization groove in 80~90 ℃ of scopes; Phosphating time 15 minutes carries out the phosphatization first time, will clean through the good radiator foundry goods water of the phosphatization first time;
(5) the radiator foundry goods of the phosphatization in the step (4) is put into the second phosphatization groove; Control the interior phosphatization liquid temp of the second phosphatization groove in 95~98 ℃ of scopes; Phosphating time 10~15 minutes carries out the phosphatization second time, will clean through the good radiator foundry goods water of the phosphatization second time;
(6) moisture is removed in the radiator foundry goods baking through the secondary phosphatization in the step (5);
(7) the radiator foundry goods through baking in the step (6) is painted;
(8) the radiator foundry goods after the japanning in the step (7) is carried out drying.
2. the enamelling process that is used for the radiator foundry goods according to claim 1 is characterized in that: to be by concentration that 20% technical hydrochloric acid adds 0.2~0.3% restrainer formulated for the used pickle of descaling bath in the described step (2).
3. the enamelling process that is used for the radiator foundry goods according to claim 1 is characterized in that: the used phosphatization liquid of the phosphatization first time is selected Zinc phosphating solution for use in the described step (4).
4. the enamelling process that is used for the radiator foundry goods according to claim 1 is characterized in that: the used phosphatization liquid of the phosphatization second time is selected manganese-series phosphorized complex liquid for use in the described step (5).
5. the enamelling process that is used for the radiator foundry goods according to claim 2 is characterized in that: described technical hydrochloric acid is selected 31% technical hydrochloric acid for use.
6. the enamelling process that is used for the radiator foundry goods according to claim 2 is characterized in that: it is the restrainer of DH-1002 that described restrainer is selected model for use.
7. the enamelling process that is used for the radiator foundry goods according to claim 3 is characterized in that: it is the Zinc phosphating solution of GT-LH302 that described Zinc phosphating solution is selected model for use.
8. the enamelling process that is used for the radiator foundry goods according to claim 4 is characterized in that: described manganese-series phosphorized complex liquid is preparation in 1: 10 by manganese phosphating liquor and water by volumetric ratio.
9. the enamelling process that is used for the radiator foundry goods according to claim 8 is characterized in that: it is the manganese phosphating liquor model of WX-988-5 that described manganese phosphating liquor is selected model for use.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011104187028A CN102430506A (en) | 2011-12-15 | 2011-12-15 | Paint coating process for radiator cast |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011104187028A CN102430506A (en) | 2011-12-15 | 2011-12-15 | Paint coating process for radiator cast |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102430506A true CN102430506A (en) | 2012-05-02 |
Family
ID=45979061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011104187028A Pending CN102430506A (en) | 2011-12-15 | 2011-12-15 | Paint coating process for radiator cast |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102430506A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102962179A (en) * | 2012-12-13 | 2013-03-13 | 江苏腾奇电力设备科技有限公司 | Paint spraying technique of plate radiator for transformer |
CN102995000A (en) * | 2012-12-07 | 2013-03-27 | 南通市申海工业技术科技有限公司 | Nuclear power product pump shaft phosphorization technology and phosphorization device for phosphorization technology |
CN103056095A (en) * | 2013-01-16 | 2013-04-24 | 浙江新剑精密制品有限公司 | Method for manufacturing corrosion-resistant self-lubricating precise unthreaded copper shaft |
CN103243338A (en) * | 2013-05-15 | 2013-08-14 | 山东威斯特车业有限公司 | Acid cleaning and phosphorizing method of electromobile frame |
CN106238285A (en) * | 2016-08-25 | 2016-12-21 | 中国电子科技集团公司第十研究所 | The compound method of lacquering of radiation tooth class piece surface |
CN106319510A (en) * | 2016-09-20 | 2017-01-11 | 安徽机电职业技术学院 | Corrosion-resistant decorating method for surface of iron painting and iron painting |
CN107774963A (en) * | 2016-08-24 | 2018-03-09 | 丰田自动车株式会社 | The manufacture method of radiator |
CN107881517A (en) * | 2017-12-29 | 2018-04-06 | 鞍山贯邦环保新材料有限公司 | A kind of environmentally friendly metal surface derusting phosphating processing unit |
CN108220936A (en) * | 2017-12-29 | 2018-06-29 | 辽宁科技大学 | A kind of steel surface derusting phosphating method of environmental protection |
CN109825839A (en) * | 2019-04-02 | 2019-05-31 | 宁波千汇汽车饰件有限公司 | A kind of acid washing phosphorization treatment process of metal product |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0304108A1 (en) * | 1987-08-19 | 1989-02-22 | Metallgesellschaft Ag | Metal-phosphating process |
CN1686640A (en) * | 2005-03-28 | 2005-10-26 | 建设工业(集团)有限责任公司 | Black phosphate coating treatment method of power melallugical workpiece |
CN1927473A (en) * | 2006-09-20 | 2007-03-14 | 潍坊市阿波罗散热器制造有限公司 | Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof |
CN201010692Y (en) * | 2007-03-20 | 2008-01-23 | 吐哈石油勘探开发指挥部机械厂 | Automatic ultrasonic cleaning and phosphorizing device for 8 grooves type oil casing joint |
-
2011
- 2011-12-15 CN CN2011104187028A patent/CN102430506A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0304108A1 (en) * | 1987-08-19 | 1989-02-22 | Metallgesellschaft Ag | Metal-phosphating process |
CN1686640A (en) * | 2005-03-28 | 2005-10-26 | 建设工业(集团)有限责任公司 | Black phosphate coating treatment method of power melallugical workpiece |
CN1927473A (en) * | 2006-09-20 | 2007-03-14 | 潍坊市阿波罗散热器制造有限公司 | Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof |
CN201010692Y (en) * | 2007-03-20 | 2008-01-23 | 吐哈石油勘探开发指挥部机械厂 | Automatic ultrasonic cleaning and phosphorizing device for 8 grooves type oil casing joint |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102995000A (en) * | 2012-12-07 | 2013-03-27 | 南通市申海工业技术科技有限公司 | Nuclear power product pump shaft phosphorization technology and phosphorization device for phosphorization technology |
CN102995000B (en) * | 2012-12-07 | 2014-09-24 | 南通市申海工业技术科技有限公司 | Nuclear power product pump shaft phosphorization technology |
CN102962179A (en) * | 2012-12-13 | 2013-03-13 | 江苏腾奇电力设备科技有限公司 | Paint spraying technique of plate radiator for transformer |
CN103056095A (en) * | 2013-01-16 | 2013-04-24 | 浙江新剑精密制品有限公司 | Method for manufacturing corrosion-resistant self-lubricating precise unthreaded copper shaft |
CN103243338A (en) * | 2013-05-15 | 2013-08-14 | 山东威斯特车业有限公司 | Acid cleaning and phosphorizing method of electromobile frame |
CN107774963A (en) * | 2016-08-24 | 2018-03-09 | 丰田自动车株式会社 | The manufacture method of radiator |
CN107774963B (en) * | 2016-08-24 | 2020-09-08 | 丰田自动车株式会社 | Method for manufacturing radiator |
CN106238285B (en) * | 2016-08-25 | 2019-12-27 | 中国电子科技集团公司第十研究所 | Composite painting method for surfaces of heat dissipation tooth parts |
CN106238285A (en) * | 2016-08-25 | 2016-12-21 | 中国电子科技集团公司第十研究所 | The compound method of lacquering of radiation tooth class piece surface |
CN106319510A (en) * | 2016-09-20 | 2017-01-11 | 安徽机电职业技术学院 | Corrosion-resistant decorating method for surface of iron painting and iron painting |
CN108220936A (en) * | 2017-12-29 | 2018-06-29 | 辽宁科技大学 | A kind of steel surface derusting phosphating method of environmental protection |
CN107881517A (en) * | 2017-12-29 | 2018-04-06 | 鞍山贯邦环保新材料有限公司 | A kind of environmentally friendly metal surface derusting phosphating processing unit |
CN109825839A (en) * | 2019-04-02 | 2019-05-31 | 宁波千汇汽车饰件有限公司 | A kind of acid washing phosphorization treatment process of metal product |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102430506A (en) | Paint coating process for radiator cast | |
CN108149179B (en) | Hot galvanizing production process for fastener | |
CN103243338A (en) | Acid cleaning and phosphorizing method of electromobile frame | |
CN107740085B (en) | A kind of composite coloured passivating solution of environment-friendly type and preparation method thereof | |
CN103668030A (en) | Improved hot galvanizing method of iron handicraft or furniture | |
CN101318174A (en) | Silane treatment technique before electrostatic powder spraying of metal | |
CN101692382B (en) | Hydrogen removing method for radiator for transformer | |
CN103668151A (en) | Pretreatment process of low-carbon steel pipe | |
CN103334099A (en) | Environmentally-friendly multifunctional metal surface treating fluid | |
CN101864564A (en) | High corrosion-resistance black phosphating process | |
CN101812679A (en) | Surface treatment process of steel plate | |
CN108707888A (en) | A kind of aluminum alloy surface passivation process improving corrosion resistance | |
CN103710688A (en) | Weakly acidic non-phosphorus transforming agent | |
CN106947962A (en) | A kind of salt-free acid pickling and rust removing method for bonderizing of hot rolling wire rod | |
CN107130236A (en) | A kind of aluminum alloy surface passivation process for improving corrosion resistance | |
CN104419940A (en) | Steel wire surface treatment method | |
CN101587943A (en) | Battery-shell surface rust prevention method | |
CN109504928A (en) | Electric power tower steelwork hot galvanizing production method | |
CN104404551A (en) | Stainless steel acid pickling technology | |
CN103589981A (en) | Formula of hot galvanizing plating auxiliary | |
CN101392360A (en) | Hot-dipped aluminum technique method of heavy duty automobile exhaust tube | |
CN105420727A (en) | Anticorrosion treatment process of zinc alloy die casting | |
CN102605363B (en) | Room-temperature type quick-drying brushing type phosphorizing liquid and preparation method thereof | |
EA024221B1 (en) | Process of electrolytic galvanizing with an enhanced anti-corrosive protection | |
CN102011165A (en) | Surface treatment process for plug-in elevating system for cars |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120502 |