CN106498414A - A kind of derusting method of screw - Google Patents
A kind of derusting method of screw Download PDFInfo
- Publication number
- CN106498414A CN106498414A CN201610893090.0A CN201610893090A CN106498414A CN 106498414 A CN106498414 A CN 106498414A CN 201610893090 A CN201610893090 A CN 201610893090A CN 106498414 A CN106498414 A CN 106498414A
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- Prior art keywords
- screw
- parts
- solution
- water
- deruster
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a kind of derusting method of screw, by the deruster injection screw for preparing;Screw is cleaned with cleaning fluid;In the screw that aqueous soup solution is injected after cleaning, suction out;Passivating solution is injected in screw and is passivated;After passivation terminates, passivating solution is suctioned out;Cleaned with cleaning fluid again, then use clean water;Dry.Deruster includes according to the raw material of weight portion:250 400 parts of hydrochloric acid, 100 250 parts of sulfuric acid, 18 parts of APES, 0.01 0.1 parts of lauryl sodium sulfate, 15 40 parts of citric acid, 400 900 parts of distilled water;NaOH solution of the cleaning fluid for mass percent 8 20%.The present invention can both remove screw corrosion, can guarantee that material structure is constant again, and surface is uniformly glossy and screw thread is without any damage, corrosion.After using the inventive method rust cleaning, there is no any change in material structure, meet related request with plug thread gauge inspection screw thread.Raw material that the inventive method is adopted is simple, simple operation, low cost.
Description
Technical field
The present invention relates to mechanical device processing technology field, specifically a kind of derusting method of screw.
Background technology
With economic fast development, all trades and professions are increasingly dependent on mechanization, intelligentized production model.Each machinery
The assembling of device is directed to screw.Screw is tapped hole.Propulsion over time, mechanical device using certain when
Between after, screw can occur corrosion.Trace it to its cause is that screw superficial layer occurs chemical reaction with surrounding medium.The form of expression has three
Kind:First:Screw produces vulcanization reaction in the atmospheric environment of sulfur-bearing, generates iron sulfide and causes corrosion;Second:Screw is in sky
Have an effect with oxygen and water in gas, produce oxidation reaction and generate iron oxide etc. and cause corrosion;3rd:Surface clean is not net, has
Impurity presence causes rust staining.The scheme that is generally done over again using silk work again, but tooth can be produced brokenly sometimes unavoidably, and corrosion is serious
When, silk work cannot be advanced to do over again and be reprocessed;Re-work and easily cause workpiece deformation to cause to scrap after taking soldering.
Content of the invention
It is an object of the invention to provide a kind of surface is uniformly glossy and screw thread is without any damage, burn into is operated just
The prompt, derusting method of the screw of low cost, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of derusting method of screw, comprises the following steps:
1)Deruster is prepared, deruster includes according to the raw material of weight portion:Hydrochloric acid 250-400 parts, sulfuric acid 100-250 parts,
APES 1-8 parts, lauryl sodium sulfate 0.01-0.1 part, citric acid 15-40 parts, distilled water 400-900 parts;
2)Prepare cleaning fluid:The NaOH solution of mass percent 8-20%, balance of water;
3)Deruster is injected in screw, 5-8min is kept;
4)Screw is cleaned with cleaning fluid after suctioning out deruster;
5)In the screw that aqueous soup solution is injected after cleaning, after keeping 3-15min, aqueous soup solution is suctioned out;
6)Passivating solution is injected and be passivated in screw 3-15min;The passivating solution, its collocation method:Use per 100g BTAs
80-160g alcohol dissolves, and is subsequently adding 4kg ± 50g water, stirs to thoroughly dissolving, obtains BTA solution;Add by every liter of water
Enter BTA solution 0.3-5kg, metal active agent 0.5-4g/L, be well mixed to obtain passivating solution;
7)After passivation terminates, passivating solution is suctioned out;Cleaned with cleaning fluid again, then use clean water;
8)Dry.
As further scheme of the invention:Step 1)In, deruster includes according to the raw material of weight portion:Hydrochloric acid 300-
350 parts, sulfuric acid 150-200 parts, APES 3-5 parts, lauryl sodium sulfate 0.02-0.05 part, citric acid
25-30 parts, distilled water 500-800 parts.
As further scheme of the invention:Step 2)In, cleaning fluid:The NaOH solution of mass percent 10-15%, remaining
Measure as water.
As further scheme of the invention:Step 5)In, described aqueous soup solution is to dissolve per 100 ± 10g soap
The solution formed in 20kg water;Soak time is 3-10min.
As further scheme of the invention:Step 6)In, the passivating solution, its collocation method:Per three nitrogen of 100g benzos
Azoles 100-150g alcohol dissolves, and is subsequently adding 4kg ± 50g water, stirs to thoroughly dissolving, obtains BTA solution;By every
Rise water and add BTA solution 0.5-1.5kg, metal active agent 1-3g/L, be well mixed to obtain passivating solution.
As further scheme of the invention:Step 6)In, the described Passivation Treatment time is 3-10min.
As further scheme of the invention:Step 8)In, described drying temperature is 100-150 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention can both remove screw corrosion, can guarantee that material structure is constant again, and surface is uniformly glossy and screw thread is not appointed
What damages, corrosion.After metal lographic examination is proved using the inventive method rust cleaning, there is no any change in material structure, use screw thread
Feeler gauge inspection screw thread meets related request.Raw material that the inventive method is adopted is simple, simple operation, low cost.
Specific embodiment
Below in conjunction with the embodiment of the present invention, to the embodiment of the present invention in technical scheme be clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiment.In based on the present invention
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of derusting method of screw is comprised the following steps:
1)Deruster is prepared, deruster includes according to the raw material of weight portion:250 parts of hydrochloric acid, 100 parts of sulfuric acid, alkyl phenol gather
1 part of oxygen vinethene, 0.01 part of lauryl sodium sulfate, 15 parts of citric acid, 400 parts of distilled water.
2)Prepare cleaning fluid:The NaOH solution of mass percent 8%, balance of water.
3)Deruster is injected in screw, 5min is kept.
4)Screw is cleaned with cleaning fluid after suctioning out deruster.
5)In the screw that aqueous soup solution is injected after cleaning, after keeping 3min, aqueous soup solution is suctioned out;Described soap
The aqueous solution is that every 100g soap is dissolved in the solution that formed in 20kg water;Soak time is 3min.
6)Passivating solution is injected and be passivated in screw 3min;The passivating solution, its collocation method:Use per 100g BTAs
80g alcohol dissolves, and is subsequently adding 4kg water, stirs to thoroughly dissolving, obtains BTA solution;Benzo three is added by every liter of water
Nitrogen azoles solution 0.3kg, metal active agent 0.5g/L, are well mixed to obtain passivating solution.
7)After passivation terminates, passivating solution is suctioned out;Cleaned with cleaning fluid again, then use clean water.
8)Dry, drying temperature is 100 DEG C.
Embodiment 2
In the embodiment of the present invention, a kind of derusting method of screw is comprised the following steps:
1)Deruster is prepared, deruster includes according to the raw material of weight portion:400 parts of hydrochloric acid, 250 parts of sulfuric acid, alkyl phenol gather
8 parts of oxygen vinethene, 0.1 part of lauryl sodium sulfate, 40 parts of citric acid, 900 parts of distilled water.
2)Prepare cleaning fluid:The NaOH solution of mass percent 20%, balance of water.
3)Deruster is injected in screw, 8min is kept.
4)Screw is cleaned with cleaning fluid after suctioning out deruster.
5)In the screw that aqueous soup solution is injected after cleaning, after keeping 15min, aqueous soup solution is suctioned out;Described soap
The aqueous solution is that every 90g soap is dissolved in the solution that formed in 20kg water;Soak time is 10min.
6)Passivating solution is injected and be passivated in screw 15min;The passivating solution, its collocation method:Per 100g BTAs
Dissolved with 160g alcohol, be subsequently adding 4kg water, stirred to thoroughly dissolving, obtain BTA solution;Benzo is added by every liter of water
Triazole solution 5kg, metal active agent 4g/L, are well mixed to obtain passivating solution.
7)After passivation terminates, passivating solution is suctioned out;Cleaned with cleaning fluid again, then use clean water.
8)Dry, drying temperature is 150 DEG C.
Embodiment 3
In the embodiment of the present invention, a kind of derusting method of screw is comprised the following steps:
1)Deruster is prepared, deruster includes according to the raw material of weight portion:300 parts of hydrochloric acid, 150 parts of sulfuric acid, alkyl phenol gather
3 parts of oxygen vinethene, 0.02 part of lauryl sodium sulfate, 25 parts of citric acid, 500 parts of distilled water.
2)Prepare cleaning fluid:The NaOH solution of mass percent 10%, balance of water.
3)Deruster is injected in screw, 5min is kept.
4)Screw is cleaned with cleaning fluid after suctioning out deruster.
5)In the screw that aqueous soup solution is injected after cleaning, after keeping 5min, aqueous soup solution is suctioned out;Described soap
The aqueous solution is that every 100g soap is dissolved in the solution that formed in 20kg water;Soak time is 5min.
6)Passivating solution is injected and be passivated in screw 3min;The passivating solution, its collocation method:Use per 100g BTAs
100g alcohol dissolves, and is subsequently adding 4kg water, stirs to thoroughly dissolving, obtains BTA solution;Benzo three is added by every liter of water
Nitrogen azoles solution 0.5kg, metal active agent 1g/L, are well mixed to obtain passivating solution.
7)After passivation terminates, passivating solution is suctioned out;Cleaned with cleaning fluid again, then use clean water.
8)Dry, drying temperature is 110 DEG C.
Embodiment 4
In the embodiment of the present invention, a kind of derusting method of screw is comprised the following steps:
1)Deruster is prepared, deruster includes according to the raw material of weight portion:350 parts of hydrochloric acid, 200 parts of sulfuric acid, alkyl phenol gather
5 parts of oxygen vinethene, 0.05 part of lauryl sodium sulfate, 30 parts of citric acid, 800 parts of distilled water.
2)Prepare cleaning fluid:The NaOH solution of mass percent 15%, balance of water.
3)Deruster is injected in screw, 8min is kept.
4)Screw is cleaned with cleaning fluid after suctioning out deruster.
5)In the screw that aqueous soup solution is injected after cleaning, after keeping 12min, aqueous soup solution is suctioned out;Described soap
The aqueous solution is that every 100g soap is dissolved in the solution that formed in 20kg water;Soak time is 8min.
6)Passivating solution is injected and be passivated in screw 10min;The passivating solution, its collocation method:Per 100g BTAs
Dissolved with 150g alcohol, be subsequently adding 4kgg water, stirred to thoroughly dissolving, obtain BTA solution;Benzene is added by every liter of water
And triazole solution 1.5kg, metal active agent 3g/L, it is well mixed to obtain passivating solution.
7)After passivation terminates, passivating solution is suctioned out;Cleaned with cleaning fluid again, then use clean water.
8)Dry, drying temperature is 120 DEG C.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Contain an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (7)
1. a kind of derusting method of screw, it is characterised in that comprise the following steps:
1)Deruster is prepared, deruster includes according to the raw material of weight portion:Hydrochloric acid 250-400 parts, sulfuric acid 100-250 parts,
APES 1-8 parts, lauryl sodium sulfate 0.01-0.1 part, citric acid 15-40 parts, distilled water 400-900 parts;
2)Prepare cleaning fluid:The NaOH solution of mass percent 8-20%, balance of water;
3)Deruster is injected in screw, 5-8min is kept;
4)Screw is cleaned with cleaning fluid after suctioning out deruster;
5)In the screw that aqueous soup solution is injected after cleaning, after keeping 3-15min, aqueous soup solution is suctioned out;
6)Passivating solution is injected and be passivated in screw 3-15min;The passivating solution, its collocation method:Use per 100g BTAs
80-160g alcohol dissolves, and is subsequently adding 4kg ± 50g water, stirs to thoroughly dissolving, obtains BTA solution;Add by every liter of water
Enter BTA solution 0.3-5kg, metal active agent 0.5-4g/L, be well mixed to obtain passivating solution;
7)After passivation terminates, passivating solution is suctioned out;Cleaned with cleaning fluid again, then use clean water;
8)Dry.
2. the derusting method of screw according to claim 1, it is characterised in that step 1)In, deruster is according to weight
The raw material of part includes:Hydrochloric acid 300-350 parts, sulfuric acid 150-200 parts, APES 3-5 parts, dodecyl sulphate
Sodium 0.02-0.05 parts, citric acid 25-30 parts, distilled water 500-800 parts.
3. the derusting method of screw according to claim 1, it is characterised in that step 2)In, cleaning fluid:Mass percent
The NaOH solution of 10-15%, balance of water.
4. the derusting method of screw according to claim 1, it is characterised in that step 5)In, described aqueous soup solution
It is to be dissolved in the solution that formed in 20kg water per 100 ± 10g soap;Soak time is 3-10min.
5. the derusting method of screw according to claim 1, it is characterised in that step 6)In, the passivating solution, its are configured
Method:Dissolved with 100-150g alcohol per 100g BTAs, be subsequently adding 4kg ± 50g water, stirred to thoroughly dissolving, obtain
BTA solution;BTA solution 0.5-1.5kg, metal active agent 1-3g/L are added by every liter of water, is well mixed
Obtain passivating solution.
6. the derusting method of screw according to claim 1, it is characterised in that step 6)In, during described Passivation Treatment
Between be 3-10min.
7. the derusting method of screw according to claim 1, it is characterised in that step 8)In, described drying temperature is
100-150℃.
Priority Applications (1)
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CN201610893090.0A CN106498414A (en) | 2016-10-13 | 2016-10-13 | A kind of derusting method of screw |
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CN201610893090.0A CN106498414A (en) | 2016-10-13 | 2016-10-13 | A kind of derusting method of screw |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003286592A (en) * | 2002-03-29 | 2003-10-10 | Sumitomo Metal Ind Ltd | Pickling process for stainless steel strip |
CN103361658A (en) * | 2013-07-29 | 2013-10-23 | 宜昌江峡船用机械有限责任公司 | Method for removing screw hole corrosion |
CN103602998A (en) * | 2013-09-25 | 2014-02-26 | 长春永新机械制造有限责任公司 | Rust-removing and spot-removing method for synchronizer gear ring |
CN103668249A (en) * | 2013-12-01 | 2014-03-26 | 刘芳圃 | Derusting and pickling pretreatment fluid for copper electroless plating of steel substrate |
CN105839093A (en) * | 2016-05-31 | 2016-08-10 | 太原工业学院 | Normal-temperature chromium-free passivation liquid for electroplated copper and passivation technology of normal-temperature chromium-free passivation liquid |
-
2016
- 2016-10-13 CN CN201610893090.0A patent/CN106498414A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003286592A (en) * | 2002-03-29 | 2003-10-10 | Sumitomo Metal Ind Ltd | Pickling process for stainless steel strip |
CN103361658A (en) * | 2013-07-29 | 2013-10-23 | 宜昌江峡船用机械有限责任公司 | Method for removing screw hole corrosion |
CN103602998A (en) * | 2013-09-25 | 2014-02-26 | 长春永新机械制造有限责任公司 | Rust-removing and spot-removing method for synchronizer gear ring |
CN103668249A (en) * | 2013-12-01 | 2014-03-26 | 刘芳圃 | Derusting and pickling pretreatment fluid for copper electroless plating of steel substrate |
CN105839093A (en) * | 2016-05-31 | 2016-08-10 | 太原工业学院 | Normal-temperature chromium-free passivation liquid for electroplated copper and passivation technology of normal-temperature chromium-free passivation liquid |
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