CN102430506A - Paint coating process for radiator cast - Google Patents

Paint coating process for radiator cast Download PDF

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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
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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
Application number
CN2011104187028A
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Chinese (zh)
Inventor
史正生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Tengqi Electrical Equipment Tech Co Ltd
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Jiangsu Tengqi Electrical Equipment Tech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Tengqi Electrical Equipment Tech Co Ltd filed Critical Jiangsu Tengqi Electrical Equipment Tech Co Ltd
Priority to CN2011104187028A priority Critical patent/CN102430506A/en
Publication of CN102430506A publication Critical patent/CN102430506A/en
Pending legal-status Critical Current

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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

The enamelling process that is used for the radiator foundry goods
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.
CN2011104187028A 2011-12-15 2011-12-15 Paint coating process for radiator cast Pending CN102430506A (en)

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

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Application Number Priority Date Filing Date Title
CN2011104187028A CN102430506A (en) 2011-12-15 2011-12-15 Paint coating process for radiator cast

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CN102430506A true CN102430506A (en) 2012-05-02

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Cited By (10)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20120502