CN101745762A - Surface treatment method for aluminum alloy welding wire - Google Patents
Surface treatment method for aluminum alloy welding wire Download PDFInfo
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- CN101745762A CN101745762A CN200810239841A CN200810239841A CN101745762A CN 101745762 A CN101745762 A CN 101745762A CN 200810239841 A CN200810239841 A CN 200810239841A CN 200810239841 A CN200810239841 A CN 200810239841A CN 101745762 A CN101745762 A CN 101745762A
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- welding wire
- surface treatment
- treatment method
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- pickling
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Abstract
The invention provides a surface treatment method for an aluminum alloy welding wire. The method comprises the following steps: alkaline washing, acid washing and finished product finish drawing; the alkaline washing liquid is fixed by mixing NaOH, Na2SiO3 and H2O according to the mass ratio of 10:3:87; the acid washing liquid is formed by mixing HF, HNO3 and H2O according to the mass ratio of 1:15:84; and a polycrystal diamond die is adopted in the step of finished product finish drawing, a drawing lubricant is a fugitive lubricant, and the drawing passes is 3 percent to 15 percent. The chemical surface treatment of the welding wire is combined together with the finished product finish drawing in the surface treatment method, and by using the surface treatment process, the processing links can be reduced, and the surface quality of the welding wire can be ensured.
Description
Technical field
The present invention relates to the alloy welding wire process for treating surface, be specifically related to a kind of surface treatment method of aluminium alloy welding wire.
Background technology
Gas shielded arc welding is a kind of high efficiency, high-quality, be easy to realize the welding method of mechanization, automation.Automatic welding aluminum alloy welding wire and manual welding compare aspects such as chemical composition, mechanical performance, appearance and size, surface quality and have higher requirement with welding wire.For guaranteeing surface quality after the pony-roughing pass drawing, aluminium alloy welding wire is carried out chemical surface treatment and the finished product finish draw is one of key factor in the brightness welding wire manufacture process.Various countries to aluminum alloy welding wire surface chemical treatment adopted diverse ways, as: U.S. Patent Publication remove the aluminium bits on aluminium welding wire surface and the method for lubricating oil; The Soviet Union adopts the method for solution removal aluminium such as phosphoric acid and aluminum alloy surface oxide-film; Japan Patent proposes phosphoric acid-sulfuric acid-nitric acid type mixed liquor welding wire surface is polished.Said method all belongs to chemical method to be handled, and handles with electrochemical method in addition.All being for solving the special solution that certain problem adopts in the surface quality in these processing methods, is exactly surface clean, surface finish, surface removing with their classification.Obviously, above-mentioned said " cleaning ", " polishing ", " removing " can not reach the purpose of preparation bright aluminum alloy welding wire.Its major defect mainly contains following 2 points:
1, the lubricating oil that uses in the aluminium alloy welding wire drawing process belongs to the difficult grease that cleans, this quasi-grease generally adopts alkali lye and acid solution to clean, and the pickling welding wire surface is seen from microcosmic and is had a lot of pits, with corrosion product, this type of welding wire generally is suitable for manual welding, weldquality is difficult for guaranteeing when being used for welding automatically, is prone to weld porosity, welding inclusion defect;
2, aluminum alloy welding wire surface is extremely responsive to the impurity in the empty G﹠W, directly places if welding wire cleans the back, easily the variable color loss of gloss.
So just might preparing, the new technology of must employing new technology is suitable for the aluminium alloy brightness welding wire of weldering automatically.
Summary of the invention
At the defective of prior art, the purpose of this invention is to provide a kind of aluminum alloy welding wire surface treatment process, solve the aluminum alloy welding wire surface quality problems, make finished product aluminum alloy welding wire surface light, be suitable for automatic weldering.
The present invention realizes by following method:
The following process of aluminium alloy welding wire is divided into two process sections carries out, remove the chemical treatment of welding wire surface burr and dirt and improve the finish draw operation of welding wire surface fineness.Above-mentioned two process sections, the present invention adopts separately respectively, but they are combined and carry out by " chemical surface treatment---finished product finish draw ", and welding wire carries out chemical surface treatment and finished product finish draw continuously.
The surface treatment method of aluminium alloy welding wire of the present invention specifically may further comprise the steps:
Alkali cleaning, welding wire is by alkaline cleaning fluid, and this alkaline cleaning fluid is by NaOH, Na
2SiO
3And H
2O is to mix at 10: 3: 87 by mass ratio, through the welding wire after cleaning with hot water and/or cold water washing;
Pickling, welding wire is by acidic cleaning solution, and this acidic cleaning solution is by HF, HNO
3And H
2O is to mix at 1: 15: 84 by mass ratio, and the welding wire after the pickling adopts the method for high pressure boiling water air-blowing to remove surperficial residual thing;
The finished product finish draw adopts the dimond synneusis mould, and drawing lubrication adopts the volatile-type lubricant, and drawing passes is 3%～15%, and drawing passes is unsuitable excessive, otherwise welding wire surface can produce defectives such as burr again.
Above-mentioned surface treatment method, wherein, the lubricant that adopts in this finished product finish draw step is preferably CH
3(CH
2) nCH
3(n is 8～16) and C
2H
6O is 1～2: 1 mixture of forming by volume.
Above-mentioned surface treatment method, wherein, this alkali cleaning step is preferably carried out under 30～80 ℃ of conditions.
Above-mentioned surface treatment method, wherein, welding wire preferably passed through alkaline cleaning fluid in this alkali cleaning step through 20～200 seconds.
Above-mentioned surface treatment method, wherein, this acid pickling step preferably carries out under 30～80 ℃ of conditions.
Above-mentioned surface treatment method, wherein, welding wire preferably passed through acidic cleaning solution in this acid pickling step through 20～200 seconds.
Above-mentioned surface treatment method, wherein, this alkali cleaning, pickling and finished product finish draw step can be carried out continuously.
Above-mentioned surface treatment method, wherein welding wire time of passing through in alkalescence is cleaned is as the criterion to remove welding wire surface burr, metal fillings and grease.
Above-mentioned surface treatment method, wherein welding wire time of passing through in acidity is cleaned does not totally have excessive erosion and is as the criterion to remove.
The present invention compares with original technology, and chemical surface treatment and drawing are once finished, and simplifies procedures, and improves working conditions, and finished product aluminum alloy welding wire surface light is suitable for automatic weldering, and the open-air placement of welding wire normal temperature nondiscolouring in a year.
The specific embodiment
Embodiment 1:
Raw material: drawing system Φ 1.6mm aluminium alloy welding wire.
(1) chemical surface treatment:
Alkali cleaning, at 50～60 ℃, welding wire passed through alkaline cleaning fluid through 60 seconds, and this alkaline cleaning fluid is by NaOH, Na
2SiO
3And H
2O mixes by 10: 3: 87 (mass ratio), uses hot water and cold water washing successively through the welding wire after cleaning;
Pickling, at 40～60 ℃, welding wire passed through acidic cleaning solution through 40～50 seconds, and this acidic cleaning solution is by HF, HNO
3And H
2O mixes by 1: 15: 84 (mass ratio), and the welding wire after the pickling adopts the method for high pressure boiling water air-blowing to remove surperficial residual thing;
(2) finished product finish draw:
Mould: dimond synneusis mould
Lubricant: CH
3(CH
2)
8CH
3: C
2H
6O is 1: 1 (volume ratio) mixed liquor;
Drawing passes: 3%～5%.
Finished product welding wire surface roughness Ra＜12.5 μ m, the welding wire surface phosphorus content is less than 0.15 milligram/meter.
Embodiment 2:
Raw material: drawing system Φ 2.8mm aluminium alloy welding wire.
(1) chemical surface treatment:
Alkali cleaning, at 50～60 ℃, welding wire passed through alkaline cleaning fluid through 60 seconds, and this alkaline cleaning fluid is by NaOH, Na
2SiO
3And H
2O mixes in the ratio of 10: 3: 87 (mass ratio), uses hot water and cold water washing successively through the welding wire after cleaning;
Pickling, at 40～60 ℃, welding wire passed through acidic cleaning solution through 40～50 seconds, and this acidic cleaning solution is by HF, HNO
3And H
2O mixes in the ratio of 1: 15: 84 (mass ratio), and the welding wire after the pickling adopts the method for high pressure boiling water air-blowing to remove surperficial residual thing;
(2) finished product finish draw:
Mould: dimond synneusis mould
Lubricant: CH
3(CH
2)
8CH
3: C
2H
6O is 3: 2 (volume ratio) mixed liquors;
Drawing passes: 5%～10%.
Finished product welding wire surface roughness Ra＜12.5 μ m, the welding wire surface phosphorus content is less than 0.15 milligram/meter.
Embodiment 3:
Raw material: drawing system Φ 4.0mm aluminium alloy welding wire.
(1) chemical surface treatment:
Alkali cleaning, at 50～60 ℃, welding wire passed through alkaline cleaning fluid through 60 seconds, and this alkaline cleaning fluid is by NaOH, Na
2SiO
3And H
2O mixes in the ratio of 10: 3: 87 (mass ratio), uses hot water and cold water washing successively through the welding wire after cleaning;
Pickling, at 40～60 ℃, welding wire passed through acidic cleaning solution through 40～50 seconds, and this acidic cleaning solution is by HF, HNO
3And H
2O mixes in the ratio of 1: 15: 84 (mass ratio), and the welding wire after the pickling adopts the method for high pressure boiling water air-blowing to remove surperficial residual thing;
(2) finished product finish draw:
Mould: dimond synneusis mould
Lubricant: CH
3(CH
2)
8CH
3: C
2H
6O is 2: 1 (volume ratio) mixed liquors;
Drawing passes: 10%～15%.
Finished product welding wire surface roughness Ra＜12.5 μ m, the welding wire surface phosphorus content is less than 0.15 milligram/meter.
Claims (7)
1. the surface treatment method of an aluminium alloy welding wire is characterized in that may further comprise the steps:
Alkali cleaning, welding wire is by alkaline cleaning fluid, and this alkaline cleaning fluid is by NaOH, Na
2SiO
3And H
2O is to mix at 10: 3: 87 by mass ratio, through the welding wire after cleaning with hot water and/or cold water washing;
Pickling, welding wire is by acidic cleaning solution, and this acidic cleaning solution is by HF, HNO
3And H
2O is to mix at 1: 15: 84 by mass ratio, and the welding wire after the pickling adopts the method for high pressure boiling water air-blowing to remove surperficial residual thing;
The finished product finish draw adopts the dimond synneusis mould, and drawing lubrication adopts the volatile-type lubricant, and drawing passes is 3%～15%.
2. surface treatment method as claimed in claim 1 is characterized in that, the lubricant that adopts in the described finished product finish draw step is CH
3(CH
2) nCH
3(n is 8～16) and C
2H
6O is 1～2: 1 mixture of forming by volume.
3. surface treatment method as claimed in claim 2 is characterized in that, described alkali cleaning step is carried out under 30～80 ℃ of conditions.
4. surface treatment method as claimed in claim 3 is characterized in that, welding wire passed through alkaline cleaning fluid in the described alkali cleaning step through 20～200 seconds.
5. surface treatment method as claimed in claim 2 is characterized in that, described acid pickling step carries out under 30～80 ℃ of conditions.
6. surface treatment method as claimed in claim 5 is characterized in that, welding wire passed through acidic cleaning solution in the described acid pickling step through 20～200 seconds.
7. as each described surface treatment method in the claim 1～6, it is characterized in that described alkali cleaning, pickling and finished product finish draw step are carried out continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102398412A CN101745762B (en) | 2008-12-19 | 2008-12-19 | Surface treatment method for aluminum alloy welding wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102398412A CN101745762B (en) | 2008-12-19 | 2008-12-19 | Surface treatment method for aluminum alloy welding wire |
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| Publication Number | Publication Date |
|---|---|
| CN101745762A true CN101745762A (en) | 2010-06-23 |
| CN101745762B CN101745762B (en) | 2012-11-21 |
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ID=42473724
Family Applications (1)
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|---|---|---|---|
| CN2008102398412A Active CN101745762B (en) | 2008-12-19 | 2008-12-19 | Surface treatment method for aluminum alloy welding wire |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961736A (en) * | 2010-09-03 | 2011-02-02 | 宁波金田铜业(集团)股份有限公司 | Continuous pickling and wiredrawing process of brass wire |
| CN104694944A (en) * | 2013-12-04 | 2015-06-10 | 青岛润鑫伟业科贸有限公司 | Pickling solution used after aluminum alloy brazing and use method thereof |
| CN112645483A (en) * | 2020-11-10 | 2021-04-13 | 常熟市电热合金材料厂有限公司 | System and method for recycling waste acid liquor generated by pickling of electric heating alloy wires |
| CN112676362A (en) * | 2020-11-10 | 2021-04-20 | 常熟市电热合金材料厂有限公司 | Brightness treatment method for resistance wire |
| CN113787280A (en) * | 2021-08-24 | 2021-12-14 | 哈尔滨威尔焊接有限责任公司 | TIG welding wire manufacturing method for improving surface cleanliness |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE752487A (en) * | 1970-06-24 | 1970-12-01 | Cockerill | PROCESS FOR MANUFACTURING A WELDING WIRE AND OBTAINED WIRE, |
| CN1006135B (en) * | 1986-07-18 | 1989-12-20 | 湖北省塑料电线厂 | Method of surface treatment of melting super-purified aluminium welding wire |
| JP3474393B2 (en) * | 1997-03-31 | 2003-12-08 | 日鐵住金溶接工業株式会社 | Manufacturing method of welding wire |
| US6365864B1 (en) * | 2000-04-26 | 2002-04-02 | Lincoln Global, Inc. | Cleaning device for welding wire and method of cleaning welding wire |
| JP3959385B2 (en) * | 2003-08-26 | 2007-08-15 | 株式会社神戸製鋼所 | Manufacturing method of solid wire for welding |
| CN100436620C (en) * | 2006-01-08 | 2008-11-26 | 丹阳市高频焊管厂 | Nickel aluminium alloy and preparation method thereof |
-
2008
- 2008-12-19 CN CN2008102398412A patent/CN101745762B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961736A (en) * | 2010-09-03 | 2011-02-02 | 宁波金田铜业(集团)股份有限公司 | Continuous pickling and wiredrawing process of brass wire |
| CN104694944A (en) * | 2013-12-04 | 2015-06-10 | 青岛润鑫伟业科贸有限公司 | Pickling solution used after aluminum alloy brazing and use method thereof |
| CN112645483A (en) * | 2020-11-10 | 2021-04-13 | 常熟市电热合金材料厂有限公司 | System and method for recycling waste acid liquor generated by pickling of electric heating alloy wires |
| CN112676362A (en) * | 2020-11-10 | 2021-04-20 | 常熟市电热合金材料厂有限公司 | Brightness treatment method for resistance wire |
| CN112676362B (en) * | 2020-11-10 | 2022-12-20 | 常熟市电热合金材料厂有限公司 | Brightness treatment method for resistance wire |
| CN113787280A (en) * | 2021-08-24 | 2021-12-14 | 哈尔滨威尔焊接有限责任公司 | TIG welding wire manufacturing method for improving surface cleanliness |
| CN113787280B (en) * | 2021-08-24 | 2023-01-10 | 哈尔滨威尔焊接有限责任公司 | TIG welding wire manufacturing method for improving surface cleanliness |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101745762B (en) | 2012-11-21 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Surface treatment method for aluminum alloy welding wire Effective date of registration: 20131209 Granted publication date: 20121121 Pledgee: Huaxia Bank, Limited by Share Ltd, Beijing branch Pledgor: Beijing Non-ferrous Metal and Rare-earth Application Inst. Registration number: 2013990000947 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100623 Assignee: Beijing Sino Flying Metal Material Co., Ltd. Assignor: Beijing Non-ferrous Metal and Rare-earth Application Inst. Contract record no.: 2015990000470 Denomination of invention: Surface treatment method for aluminum alloy welding wire Granted publication date: 20121121 License type: Exclusive License Record date: 20150617 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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Date of cancellation: 20150615 Granted publication date: 20121121 Pledgee: Huaxia Bank, Limited by Share Ltd, Beijing branch Pledgor: Beijing Non-ferrous Metal and Rare-earth Application Inst. Registration number: 2013990000947 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |