CN105154895A - Gear acid pickling process - Google Patents
Gear acid pickling process Download PDFInfo
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- CN105154895A CN105154895A CN201510397840.0A CN201510397840A CN105154895A CN 105154895 A CN105154895 A CN 105154895A CN 201510397840 A CN201510397840 A CN 201510397840A CN 105154895 A CN105154895 A CN 105154895A
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Abstract
The invention discloses a gear acid pickling process. The process comprises the following steps that a workpiece is placed into petroleum ether to be degreased for the first time, and the workpiece is dried by blowing; then the workpiece is placed into ethyl alcohol to be degreased for the second time, and finally the workpiece is dried by blowing again; the workpiece is placed into a nitric acid alcohol solution to be washed, and a tooth surface of the workpiece is black completely; the workpiece is placed into hot water to be rinsed, then the workpiece is placed into cold water to be rinsed, and finally the workpiece is placed into the ethyl alcohol to be rinsed; the workpiece is placed into hydrochloric acid alcohol to be washed until the tooth surface of the workpiece turns to grey completely; the workpiece is placed into the cold water to be rinsed; the workpiece is placed into a sodium hydroxide solution to be washed; the workpiece is rinsed in the hot water, then rinsed in the cold water and washed in the ethyl alcohol, and finally the workpiece is dried by blowing; the workpiece is immersed into anti-rust oil, then the workpiece is detected in bright light, then the workpiece is cleaned with the ethyl alcohol, and the workpiece is immersed into the anti-ruse oil again. In this way, the surface of a gear can be subjected to acid pickling effectively through the gear acid pickling process, the quality of the gear is improved, the process is simple, and the acid pickling effect is good.
Description
Technical field
The present invention relates to Gear Processing field, particularly relate to a kind of gear acid cleaning process.
Background technology
Gear pickling is a procedure of processing important in Gear Processing, and pickling processing not exclusively may cause following process to go wrong.Gear likely occurs that in the pickling course of processing grinding burn is greater than the situation of edge limits, and gear can be caused to scrap.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of gear acid cleaning process, can effective pickling gear surface, and improve gear quality, technique is simple, and pickling effect is good.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of gear acid cleaning process, comprise the following steps: a. defatting step: workpiece is put into sherwood oil and carries out first time degreasing, then dry up, then again workpiece is put into alcohol and carry out second time degreasing, finally again dry up workpiece; B. the first acid pickling step: workpiece is put into nital and cleans, until the workpiece flank of tooth turns black completely, puts into hot water and carries out rinsing by workpiece, after put into cold water rinsing, finally put into alcohol and clean; C. the second acid pickling step: workpiece is put into hydrochloride alcohol and cleans, until the workpiece flank of tooth is transformed into grey completely, puts into cold water rinsing by workpiece; D. neutralizing treatment step: workpiece is put into sodium hydroxide solution and cleans, then rinsing in the hot water, after put into cold water rinsing, then put into alcohol and clean, finally dry up; E. post-processing step: workpiece is immersed slushing oil, then checks workpiece under high light, then cleans workpiece with alcohol, again immerses slushing oil.
In a preferred embodiment of the present invention, in described step a, workpiece is swung 5s by first time degreasing in sherwood oil, workpiece is fully deoiled, then dries up workpiece by air gun, removes the sherwood oil of workpiece surface.
In a preferred embodiment of the present invention, in described step a, workpiece is swung 3s by second time degreasing in alcohol, and removing workpiece surface remains grease, then dries up workpiece with air gun and remove surperficial alcohol.
In a preferred embodiment of the present invention, in described step b, the melt and dissolved liquid of nitric acid alcohol of 5% put into by workpiece, and alcohol quality ratio is 95%, at interval of 60s gentle agitation, workpiece fully reacted, and the reaction times is 120-240s.
In a preferred embodiment of the present invention, in described step b, workpiece is swung in the hot water of 60 DEG C 3s rinsing disacidify, in cold water, then swing 3s rinsing disacidify, finally put into alcohol and swing 3s rinsing and anhydrate.
In a preferred embodiment of the present invention, the hydrochloride alcohol solution that in described step c, workpiece puts into 5% cleans, and interval 60s gentle agitation, makes workpiece fully react, and the reaction times is 120-240s.
In a preferred embodiment of the present invention, workpiece is swung 3s rinsing disacidify by described step c in cold water.
In a preferred embodiment of the present invention, in described steps d, workpiece is immersed in the sodium hydroxide solution of 5% and swing 10s, remove workpiece surface residual liquid.
In a preferred embodiment of the present invention, workpiece is swung in the hot water of 60 DEG C 3s rinsing corrosion removal solvent in described steps d, then in cold water, swing 3s rinsing corrosion removal solvent, finally put into alcohol and swing 3s rinsing and anhydrate, dry up the residual liquid of workpiece surface finally by air gun.
In a preferred embodiment of the present invention, under the condition of high light 3.200lux-8.000lux, workpiece is checked in described step e.
The invention has the beneficial effects as follows: gear acid cleaning process of the present invention, can effective pickling gear surface, improve gear quality, technique is simple, and pickling effect is good.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of gear acid cleaning process, comprise the following steps: a. defatting step: workpiece is put into sherwood oil and carries out first time degreasing, workpiece is swung 5s in sherwood oil, workpiece is fully deoiled, then dries up workpiece by air gun, remove the sherwood oil of workpiece surface, then again workpiece is put into alcohol and carry out second time degreasing, workpiece is swung 3s in alcohol, removing workpiece surface remains grease, dry up workpiece with air gun again and remove surperficial alcohol, the liquid frequency of changing of sherwood oil and alcohol is 2 weeks/time.
B. the first acid pickling step: workpiece is put into the melt and dissolved liquid of nitric acid alcohol of 5%, alcohol quality ratio is 95%, at interval of 60s gentle agitation, workpiece is fully reacted, and the reaction times is 120-240s, until the workpiece flank of tooth turns black completely, workpiece is swung in the hot water of 60 DEG C 3s rinsing disacidify, then in cold water, swing 3s rinsing disacidify, finally put into alcohol and swing 3s rinsing and anhydrate, the liquid frequency of changing of nitric acid alcohol, hot water, cold water and alcohol is 2 weeks/time.
C. the second acid pickling step: hydrochloride alcohol solution workpiece being put into 5% cleans, interval 60s gentle agitation, workpiece is fully reacted, reaction times is 120-240s, until the workpiece flank of tooth is transformed into grey completely, workpiece is swung in cold water 3s rinsing disacidify, hydrochloride alcohol and cold water the liquid frequency of changing be 2 weeks/time.
D. neutralizing treatment step: just workpiece immerses in the sodium hydroxide solution of 5% and swings 10s, remove workpiece surface residual liquid, then workpiece is swung in the hot water of 60 DEG C 3s rinsing corrosion removal solvent, then in cold water, swing 3s rinsing corrosion removal solvent, finally put into alcohol to swing 3s rinsing and anhydrate, dry up the residual liquid of workpiece surface finally by air gun, prevent workpiece from getting rusty, the liquid frequency of changing of sodium hydroxide, hot water, cold water and alcohol is 2 weeks/time.
E. post-processing step: workpiece is immersed slushing oil, then under the condition at high light 3.200lux-8.000lux, inspection is carried out to workpiece and check workpiece, then clean workpiece with alcohol, again immerse slushing oil, slushing oil change the liquid frequency be January/time, the liquid frequency of changing of alcohol is 2 weeks/time.
Be different from prior art, gear acid cleaning process of the present invention, can effective pickling gear surface, improve gear quality, technique is simple, and pickling effect is good.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a gear acid cleaning process, is characterized in that, comprises the following steps:
A. defatting step: workpiece is put into sherwood oil and carries out first time degreasing, then dry up, then puts into alcohol again and carries out second time degreasing, finally again dry up workpiece by workpiece;
B. the first acid pickling step: workpiece is put into nital and cleans, until the workpiece flank of tooth turns black completely, puts into hot water and carries out rinsing by workpiece, after put into cold water rinsing, finally put into alcohol and clean;
C. the second acid pickling step: workpiece is put into hydrochloride alcohol and cleans, until the workpiece flank of tooth is transformed into grey completely, puts into cold water rinsing by workpiece;
D. neutralizing treatment step: workpiece is put into sodium hydroxide solution and cleans, then rinsing in the hot water, after put into cold water rinsing, then put into alcohol and clean, finally dry up;
E. post-processing step: workpiece is immersed slushing oil, then checks workpiece under high light, then cleans workpiece with alcohol, again immerses slushing oil.
2. gear acid cleaning process according to claim 1, is characterized in that, in described step a, workpiece is swung 5s by first time degreasing in sherwood oil, workpiece is fully deoiled, then dries up workpiece by air gun, removes the sherwood oil of workpiece surface.
3. gear acid cleaning process according to claim 2, is characterized in that, in described step a, workpiece is swung 3s by second time degreasing in alcohol, and removing workpiece surface remains grease, then dries up workpiece with air gun and remove surperficial alcohol.
4. gear acid cleaning process according to claim 1, is characterized in that, in described step b, the melt and dissolved liquid of nitric acid alcohol of 5% put into by workpiece, and alcohol quality ratio is 95%, at interval of 60s gentle agitation, workpiece fully reacted, and the reaction times is 120-240s.
5. gear acid cleaning process according to claim 4, is characterized in that, workpiece is swung in the hot water of 60 DEG C 3s rinsing disacidify in described step b, in cold water, then swing 3s rinsing disacidify, finally puts into alcohol and swings 3s rinsing and anhydrate.
6. gear acid cleaning process according to claim 1, is characterized in that, the hydrochloride alcohol solution that in described step c, workpiece puts into 5% cleans, and interval 60s gentle agitation, makes workpiece fully react, and the reaction times is 120-240s.
7. gear acid cleaning process according to claim 6, is characterized in that, workpiece is swung 3s rinsing disacidify by described step c in cold water.
8. gear acid cleaning process according to claim 1, is characterized in that, is immersed by workpiece in the sodium hydroxide solution of 5% and swings 10s, remove workpiece surface residual liquid in described steps d.
9. gear acid cleaning process according to claim 8, it is characterized in that, workpiece is swung in the hot water of 60 DEG C 3s rinsing corrosion removal solvent in described steps d, then in cold water, swing 3s rinsing corrosion removal solvent, finally put into alcohol to swing 3s rinsing and anhydrate, dry up the residual liquid of workpiece surface finally by air gun.
10. gear acid cleaning process according to claim 1, is characterized in that, checks in described step e under the condition of high light 3.200lux-8.000lux to workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397840.0A CN105154895A (en) | 2015-07-09 | 2015-07-09 | Gear acid pickling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397840.0A CN105154895A (en) | 2015-07-09 | 2015-07-09 | Gear acid pickling process |
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| Publication Number | Publication Date |
|---|---|
| CN105154895A true CN105154895A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510397840.0A Pending CN105154895A (en) | 2015-07-09 | 2015-07-09 | Gear acid pickling process |
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| CN (1) | CN105154895A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124426A (en) * | 2016-08-03 | 2016-11-16 | 中国人民解放军第五七九工厂 | A kind of pickling test method of grinding burn |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10043148A1 (en) * | 2000-08-31 | 2002-03-14 | Volkswagen Ag | Process for increasing the corrosion resistance of a workpiece made of titanium or titanium alloy contaminated with metallic iron comprises treating the workpiece with a pickling solution of concentrated nitric acid in concentrated ethanol |
| DE10057560A1 (en) * | 2000-11-21 | 2002-05-23 | Volkswagen Ag | Increasing corrosion resistance of workpiece made from titanium (alloy) and contaminated with metallic iron comprises treating the workpiece with pickling solution |
| CN101144161A (en) * | 2006-09-15 | 2008-03-19 | 美上镁科技股份有限公司 | Metal surface treatment method |
| CN101603178A (en) * | 2009-06-15 | 2009-12-16 | 中冶实久建设有限公司南京分公司 | Four-in-one acid-washing method |
| CN104213137A (en) * | 2013-05-30 | 2014-12-17 | 天津市顺通带钢有限公司 | Pickling apparatus |
-
2015
- 2015-07-09 CN CN201510397840.0A patent/CN105154895A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10043148A1 (en) * | 2000-08-31 | 2002-03-14 | Volkswagen Ag | Process for increasing the corrosion resistance of a workpiece made of titanium or titanium alloy contaminated with metallic iron comprises treating the workpiece with a pickling solution of concentrated nitric acid in concentrated ethanol |
| DE10057560A1 (en) * | 2000-11-21 | 2002-05-23 | Volkswagen Ag | Increasing corrosion resistance of workpiece made from titanium (alloy) and contaminated with metallic iron comprises treating the workpiece with pickling solution |
| CN101144161A (en) * | 2006-09-15 | 2008-03-19 | 美上镁科技股份有限公司 | Metal surface treatment method |
| CN101603178A (en) * | 2009-06-15 | 2009-12-16 | 中冶实久建设有限公司南京分公司 | Four-in-one acid-washing method |
| CN104213137A (en) * | 2013-05-30 | 2014-12-17 | 天津市顺通带钢有限公司 | Pickling apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 北京市职业技术协会北京市技术交流中心组: "《涂装技师手册》", 30 April 2005, 机械工业出版社 * |
| 肖开学: "《实用金属防锈技术问答》", 31 August 1997, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124426A (en) * | 2016-08-03 | 2016-11-16 | 中国人民解放军第五七九工厂 | A kind of pickling test method of grinding burn |
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Application publication date: 20151216 |