CN109097764A - A kind of bolt treatment process - Google Patents
A kind of bolt treatment process Download PDFInfo
- Publication number
- CN109097764A CN109097764A CN201810787598.1A CN201810787598A CN109097764A CN 109097764 A CN109097764 A CN 109097764A CN 201810787598 A CN201810787598 A CN 201810787598A CN 109097764 A CN109097764 A CN 109097764A
- Authority
- CN
- China
- Prior art keywords
- bolt
- treatment process
- sodium
- acid
- hot water
- 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.)
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Classifications
-
- 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
- C23C22/06—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 acidic solutions with pH less than 6
- C23C22/40—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 acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/42—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 acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
-
- 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)
- Chemical Treatment Of Metals (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The present invention relates to a kind of bolt treatment process, comprising the following steps: step 1 is eliminated stress the eliminate stress big for tensile strength and handled；Step 2 processing of rust removing will place rust remover, and derusting temperature adjusted to 51 DEG C -65 DEG C in service sink, the etch time was at 10-15 minutes；Oil removal treatment described in step 3 oil removing or blasting treatment is to clean oil removing using aqueous slkali；Step 4 hot water wash carries out flowing hot water wash to the bolt after oil removing or sandblasting；Step 5 is activated；Step 6 cold water, which is washed, washes bolt progress flowing cool water；Step 7 phosphorating treatment phosphating solution includes the component of following concentration: 10 ~ 15g/L of sodium molybdate, tartaric acid 8gL~10g/L, graphene oxide 30g/L~40g/L, 8 ~ 15g/L of citric acid, 25 ~ 35g/L of zinc oxide, 80 ~ 100g/L of phosphoric acid, 8 ~ 13g/L of citric acid, 1 ~ 3g/L of tartaric acid, barium nitrate 30g/L~40g/L further include polyfunctional group alkyl phosphate；Step 8 is dry.The bolt phosphatization effect of process processed by the invention is good, improves corrosion resistance.
Description
Technical field
The present invention relates to a kind for the treatment of process more particularly to a kind of bolt treatment process.
Background technique
Screw thread phosphate is to generate the meagre phosphating coat of one layer of even compact in thread surface, can be effectively improved thread surface
Contact conditions and force-bearing situation improve the lubricant effect of connection screw thread, enhance its antirust, anti-attrition and sticky thread resistance energy.
Conventional screw thread treatment process includes two methods of steam phosphating and cold phosphatization at present.Heat treatment process are as follows: pickling →
Alkali cleaning → phosphatization (immersion) → clear water cleaning, phosphating solution are maintained at 80 DEG C~98 DEG C, and phosphating time is 20~30 minutes,
But complex process is suitable only for the phosphorating treatment of short workpieces.Cold phosphorization technology first prepares phosphatization cream, prepares first according to formula rate
Two liquid of second, pours into solution A for second liquid and stirs evenly, and the talcum powder of corresponding proportion is added, and is configured to phosphatization cream, then by phosphatization cream
On screw thread after being uniformly applied to derusting, after keeping 3~4h under room temperature, then the phosphatization cream of thread surface is removed, coat antirust
Oil.Phosphating time needed for the technique is longer, is unable to satisfy high efficiency production, and since the corrosiveness of acid cleaning process imitates phosphatization
Fruit is undesirable.
Summary of the invention
The present invention is undesirable in order to solve the problems, such as the of long duration of existing treatment process, phosphatization effect, provides a kind of spiral shell
Bolt treatment process.
A kind of the technical solution used in the present invention are as follows: bolt treatment process, comprising the following steps:
Step 1 is eliminated stress the eliminate stress big for tensile strength and is handled；
Step 2 processing of rust removing will be placed rust remover, and derusting temperature be adjusted to 51 DEG C -65 DEG C, the etch time in service sink
At 10-15 minutes；
Oil removal treatment described in step 3 oil removing or blasting treatment is to clean oil removing using aqueous slkali；
Step 4 hot water wash carries out flowing hot water wash to the bolt after oil removing or sandblasting；
Step 5 is activated；
Step 6 cold water, which is washed, washes bolt progress flowing cool water；
Step 7 phosphorating treatment phosphating solution includes the component of following concentration: 10 ~ 15g/L of sodium molybdate, and tartaric acid 8gL~
10g/L, graphene oxide 30g/L~40g/L, 8 ~ 15g/L of citric acid, 25 ~ 35g/L of zinc oxide, 80 ~ 100g/L of phosphoric acid, lemon
8 ~ 13g/L of lemon acid, 1 ~ 3g/L of tartaric acid, barium nitrate 30g/L~40g/L further include polyfunctional group alkyl phosphate；
Step 7 is dry.
Further, the hot water wash temperature in the step 4 is 80 ~ 90 DEG C.
Further, the activation processing solution in the step 5 is every liter of solution 70 ~ 85 g containing sodium hydroxide, citric acid
35 ~ 45g of potassium, potassium dodecanesulfonate 1 ~ 2 g, 3 ~ 8g of ethylenediamine phosphate, 2 ~ 6g of phosphoric acid propane diamine, 5 ~ 6g of dimethylbenzene, when activation
Between be 6 ~ 20min.
Further, being activated solution is every liter of solution 70 g containing sodium hydroxide, potassium citrate 40g, dodecyl sulphur
Sour 1.5 g of potassium, ethylenediamine phosphate 5.5g, phosphoric acid propane diamine 4g, dimethylbenzene 6g, activation time 10min.
Further, except oil solution includes caustic soda, sodium phosphate, sodium metasilicate, liquid soap and animal glue, each content of material
Are as follows: caustic soda 8-16g/L, sodium phosphate 12-28g/L, sodium metasilicate 0.8-2/L, liquid soap 2-5g/L and animal glue 15-30g/
L。
Further, phosphating solution includes the component of following concentration: sodium molybdate 12g/L, tartaric acid 9g/L, graphene oxide
35g/L, citric acid 10g/L, zinc oxide 30g/L, phosphatase 79 0g/L, citric acid 10g/L, tartaric acid 2g/L, barium nitrate 35g/L,
Polyfunctional group alkyl phosphate 10g/L.
Technical effect caused by the present invention are as follows: the bolt phosphatization effect of process processed by the invention is good, improves
It is rinsed respectively according to processing rear bolt property using hot water or cold water in corrosion resistance and the present invention, deoiling method in the present invention
Using alkaline degreasing, reduce the damage to part as far as possible；.
Specific embodiment
Further details of explanation is done to the present invention combined with specific embodiments below, it should be appreciated that of the invention
Protection scope is not limited by specific embodiment.
Embodiment 1
A kind of bolt treatment process, comprising the following steps:
Step 1 is eliminated stress the eliminate stress big for tensile strength and is handled；
Step 2 processing of rust removing will place rust remover, and derusting temperature adjusted to 51 DEG C DEG C in service sink, the etch time is 10
Minute；
Oil removal treatment described in step 3 oil removing or blasting treatment is to clean oil removing using aqueous slkali；Except oil solution include caustic soda,
Sodium phosphate, sodium metasilicate, liquid soap and animal glue, each content of material are as follows: caustic soda 8g/L, sodium phosphate 12g/L, sodium metasilicate
0.8/L, liquid soap 2g/L and animal glue 15g/L.
Step 4 hot water wash carries out flowing hot water wash to the bolt after oil removing or sandblasting；Hot water wash temperature in the step 4
Degree is 80 DEG C.
Step 5 is activated；Activation processing solution in the step 5 is every liter of solution 70 g containing sodium hydroxide, lemon
Sour potassium 35g, potassium dodecanesulfonate 1 g, ethylenediamine phosphate 3g, phosphoric acid propane diamine 2g, dimethylbenzene 5g, activation time 6min
。
Step 6 cold water, which is washed, washes bolt progress flowing cool water；
Step 7 phosphorating treatment phosphating solution includes the component of following concentration: sodium molybdate 10g/L, tartaric acid 8gL, graphite oxide
Alkene 30g/L, citric acid 8g/L, zinc oxide 25g/L, phosphoric acid 80g/L, citric acid 8g/L, tartaric acid 1g/L, barium nitrate 30g/L are more
Functional group alkyl phosphate 8g/L；
Step 8 is dry.
Embodiment 2
A kind of bolt treatment process, comprising the following steps:
Step 1 is eliminated stress the eliminate stress big for tensile strength and is handled；
Step 2 processing of rust removing will place rust remover, and derusting temperature adjusted to 65 DEG C in service sink, the etch time is at 15 points
Clock；
Oil removal treatment described in step 3 oil removing or blasting treatment is to clean oil removing using aqueous slkali；Except oil solution include caustic soda,
Sodium phosphate, sodium metasilicate, liquid soap and animal glue, each content of material are as follows: caustic soda 16g/L, sodium phosphate 28g/L, sodium metasilicate 2/
L, liquid soap 5g/L and animal glue 30g/L.
Step 4 hot water wash carries out flowing hot water wash to the bolt after oil removing or sandblasting；Hot water wash temperature in the step 4
Degree is 90 DEG C.
Step 5 is activated；Activation processing solution in the step 5 is every liter of solution 85 g containing sodium hydroxide, lemon
Sour potassium 45g, potassium dodecanesulfonate 2 g, ethylenediamine phosphate 8g, phosphoric acid propane diamine 6g, dimethylbenzene 6g, activation time 20min
。
Step 6 cold water, which is washed, washes bolt progress flowing cool water；
Step 7 phosphorating treatment phosphating solution includes the component of following concentration: sodium molybdate 15g/L, and tartaric acid 10g/L aoxidizes stone
Black alkene 40g/L, citric acid 15g/L, zinc oxide 35g/L, phosphatase 11 00g/L, citric acid 13g/L, tartaric acid 3g/L, barium nitrate
40g/L, polyfunctional group alkyl phosphate 10g/L；
Step 8 is dry.
Embodiment 3
A kind of bolt treatment process, comprising the following steps:
Step 1 is eliminated stress the eliminate stress big for tensile strength and is handled；
Step 2 processing of rust removing will place rust remover, and derusting temperature adjusted to 60 DEG C in service sink, the etch time is at 13 points
Clock；
Oil removal treatment described in step 3 oil removing or blasting treatment is to clean oil removing using aqueous slkali；Except oil solution include caustic soda,
Sodium phosphate, sodium metasilicate, liquid soap and animal glue, each content of material are as follows: caustic soda 13g/L, sodium phosphate 20g/L, sodium metasilicate 1/
L, liquid soap 3g/L and animal glue 20g/L.
Step 4 hot water wash carries out flowing hot water wash to the bolt after oil removing or sandblasting；Hot water wash temperature in the step 4
Degree is 85 DEG C.
Step 5 is activated；Activation processing solution in the step 5 is every liter of solution 80 g containing sodium hydroxide, lemon
Sour potassium 30g, potassium dodecanesulfonate 1.5 g, ethylenediamine phosphate 5g, phosphoric acid propane diamine 4g, dimethylbenzene 5.5g, activation time are
10min 。
Step 6 cold water, which is washed, washes bolt progress flowing cool water；
Step 7 phosphorating treatment phosphating solution includes the component of following concentration: sodium molybdate 12g/L, tartaric acid 9g/L, graphite oxide
Alkene 35g/L, citric acid 10g/L, zinc oxide 30g/L, phosphatase 79 0g/L, citric acid 10g/L, tartaric acid 2g/L, barium nitrate 35/L,
Polyfunctional group alkyl phosphate 12g/L；
Step 8 is dry.
The above is only a preferred embodiment of the present invention, and the present invention is not limited in the content of embodiment.For in this field
Technical staff for, can have various change and change within the scope of technical solution of the present invention, made any variation and
Change, within that scope of the present invention.
Claims (6)
1. a kind of bolt treatment process, it is characterised in that: the following steps are included:
Step 1 is eliminated stress the eliminate stress big for tensile strength and is handled；
Step 2 processing of rust removing will be placed rust remover, and derusting temperature be adjusted to 51 DEG C -65 DEG C, the etch time in service sink
At 10-15 minutes；
Oil removal treatment described in step 3 oil removing or blasting treatment is to clean oil removing using aqueous slkali；
Step 4 hot water wash carries out flowing hot water wash to the bolt after oil removing or sandblasting；
Step 5 is activated；
Step 6 cold water, which is washed, washes bolt progress flowing cool water；
Step 7 phosphorating treatment phosphating solution includes the component of following concentration: 10 ~ 15g/L of sodium molybdate, and tartaric acid 8gL~
10g/L, graphene oxide 30g/L~40g/L, 8 ~ 15g/L of citric acid, 25 ~ 35g/L of zinc oxide, 80 ~ 100g/L of phosphoric acid, lemon
8 ~ 13g/L of lemon acid, 1 ~ 3g/L of tartaric acid, barium nitrate 30g/L~40g/L further include polyfunctional group alkyl phosphate；
Step 8 is dry.
2. bolt treatment process according to claim 1, it is characterised in that: hot water wash temperature in the step 4 is 80 ~
90℃。
3. bolt treatment process according to claim 1, it is characterised in that: the activation processing solution in the step 5 is
Every liter of solution 70 ~ 85 g containing sodium hydroxide, 35 ~ 45g of potassium citrate, potassium dodecanesulfonate 1 ~ 2 g, 3 ~ 8g of ethylenediamine phosphate,
2 ~ 6g of phosphoric acid propane diamine, 5 ~ 6g of dimethylbenzene, activation time are 6 ~ 20min.
4. bolt treatment process according to claim 3, it is characterised in that: being activated solution is that every liter of solution contains hydrogen-oxygen
Change 70 g of sodium, potassium citrate 40g, potassium dodecanesulfonate 1.5 g, ethylenediamine phosphate 5.5g, phosphoric acid propane diamine 4g, dimethylbenzene
6g, activation time 10min.
5. bolt treatment process according to claim 1, it is characterised in that: except oil solution includes caustic soda, sodium phosphate, silicon
Sour sodium, liquid soap and animal glue, each content of material are as follows: caustic soda 8-16g/L, sodium phosphate 12-28g/L, sodium metasilicate 0.8-2/
L, liquid soap 2-5g/L and animal glue 15-30g/L.
6. bolt treatment process according to claim 1, it is characterised in that: phosphating solution includes the component of following concentration:
Sodium molybdate 12g/L, tartaric acid 9g/L, graphene oxide 35g/L, citric acid 10g/L, zinc oxide 30g/L, phosphatase 79 0g/L, lemon
Sour 10g/L, tartaric acid 2g/L, barium nitrate 35g/L, polyfunctional group alkyl phosphate 10g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787598.1A CN109097764A (en) | 2018-07-18 | 2018-07-18 | A kind of bolt treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787598.1A CN109097764A (en) | 2018-07-18 | 2018-07-18 | A kind of bolt treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109097764A true CN109097764A (en) | 2018-12-28 |
Family
ID=64846609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810787598.1A Pending CN109097764A (en) | 2018-07-18 | 2018-07-18 | A kind of bolt treatment process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750285A (en) * | 2019-03-27 | 2019-05-14 | 佛山市利朗科环保科技有限公司 | A kind of metal conditioner compound based on graphene |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864564A (en) * | 2010-07-14 | 2010-10-20 | 西安北方光电有限公司 | High corrosion-resistance black phosphating process |
| CN104498925A (en) * | 2015-01-19 | 2015-04-08 | 山东大学 | Environmentally friendly metal surface treatment fluid based on multifunctional group alkyl phosphate and application thereof |
| CN104988485A (en) * | 2015-07-20 | 2015-10-21 | 青岛格瑞烯金属防护科技有限公司 | Environment-friendly universal metal surface pretreatment liquid and use method |
| CA2975460A1 (en) * | 2016-10-07 | 2018-04-07 | Goodrich Corporation | Anti-corrosion and/or passivation compositions for metal-containing substrates and methods for making, enhancing, and applying the same |
-
2018
- 2018-07-18 CN CN201810787598.1A patent/CN109097764A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864564A (en) * | 2010-07-14 | 2010-10-20 | 西安北方光电有限公司 | High corrosion-resistance black phosphating process |
| CN104498925A (en) * | 2015-01-19 | 2015-04-08 | 山东大学 | Environmentally friendly metal surface treatment fluid based on multifunctional group alkyl phosphate and application thereof |
| CN104988485A (en) * | 2015-07-20 | 2015-10-21 | 青岛格瑞烯金属防护科技有限公司 | Environment-friendly universal metal surface pretreatment liquid and use method |
| CA2975460A1 (en) * | 2016-10-07 | 2018-04-07 | Goodrich Corporation | Anti-corrosion and/or passivation compositions for metal-containing substrates and methods for making, enhancing, and applying the same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750285A (en) * | 2019-03-27 | 2019-05-14 | 佛山市利朗科环保科技有限公司 | A kind of metal conditioner compound based on graphene |
| CN109750285B (en) * | 2019-03-27 | 2021-10-29 | 佛山市利朗科环保科技有限公司 | Metal surface treating agent based on graphene compounding |
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Application publication date: 20181228 |
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