CN106119826A - A kind of surface of the work blackening process method - Google Patents
A kind of surface of the work blackening process method Download PDFInfo
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- CN106119826A CN106119826A CN201610444322.4A CN201610444322A CN106119826A CN 106119826 A CN106119826 A CN 106119826A CN 201610444322 A CN201610444322 A CN 201610444322A CN 106119826 A CN106119826 A CN 106119826A
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- blackening
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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
- 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
- C23C22/60—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 alkaline aqueous solutions with pH greater than 8
- C23C22/62—Treatment of iron or alloys based thereon
-
- 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
- C23C22/73—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 characterised by the process
-
- 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
- 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
- C23C22/82—After-treatment
-
- 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
-
- 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
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
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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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of surface of the work blackening process method, including oil removing, pickling, defat, blackout, post-treating and other steps.Present invention safety simple to operate, low cost, the hair blackening liquid formula used is reasonable, and energy-conserving and environment-protective are nontoxic, strong by the cast member corrosion resistance after blackening process of the present invention, and wearability is high.
Description
Technical field
The present invention relates to field of metal surface treatment technology, particularly relate to a kind of surface of the work blackening process method.
Background technology
Steel surface blackening process is a kind of to be widely used in machine components, precision instrument, instrument, weapon and article of everyday use
Surfacecti proteon and decoration technique, be particularly well-suited to electroplate the precision instruments with application.Metal current surface blackening processes
Method has: high-temperature steel oxidizing process, electrolyte electrolysis and room temperature blackening technique etc., and for traditional high-temperature oxidation, it processes
Cycle is long, temperature required height, and labor intensity is big, work under bad environment, and energy consumption is big, and efficiency is low；These existing pre-black-emitting technologies
Most cost height cannot be carried out industrial applications, uses bismuth nitrate to carry out pretreatment, and bismuth nitrate price is high, for pre-blackening process
Consumption is big, and bismuth nitrate easily hydrolyzes in water, consumes greatly.Room temperature blackening technique is the new work that late nineteen eighties just rises
Skill, the room temperature blackening technological operation saving energy, process the time short, production efficiency is high, and good work environment, pollution level is low.But
Existing room temperature blackening production cost is high, and working environment is not ideal enough, and black film is of low quality.
Summary of the invention
In order to overcome drawbacks described above, it is an object of the invention to provide a kind of safety simple to operate, production cost is low, black film
A kind of surface of the work blackening process method that quality is high.
In order to overcome defect present in background technology, the technical solution adopted for the present invention to solve the technical problems is:
A kind of surface of the work blackening process method, it is characterised in that comprise the following steps:
(1) oil removing: added by cast member in degreasing tank, oil removing solution concentration is 40-70g/L, and solution temperature is 60 85
DEG C, after soaking 3 12 minutes, pull cast member out, rinse 26 times with clear water；
(2) pickling: the cast member after oil removing being put into descaling bath and carries out pickling, technical hydrochloric acid solution concentration is 15
35%, pickling time is 5 15 minutes, then takes out cast member, rinses 36 times with clear water；
(3) defat: immersed in degreaser by the cast member after pickling, carries out ungrease treatment, processes the time 10 40 points
Clock, then takes out cast member, rinses 26 times with clear water；
(4) blackout preparation: by weight, by sodium hydroxide 20 50 parts, potassium peroxydisulfate 20 40 parts, sodium potassium tartrate tetrahydrate
56 parts, additive 10 14 parts, water surplus, join in melanism groove, stir；
(5) blackout: the cast member after defat being put into melanism groove and carries out Darkening process, solution temperature controls at 5 30 DEG C,
The process time is 2 10 minutes, then takes out cast member, rinses 36 times with clear water；
(6) post processing: being immersed in liquid soap by the cast member after blackout, process 5 10 minutes, solution temperature is 30
50 DEG C, then taking out cast member and cast member is entered dewatering rust preventive oil, take out after 12 minutes, band cast member surface blackening film is complete
White drying.
In some embodiments, described step (1) oil removing solution includes the raw material of following weight portion: sodium phosphate 45 50
Part, sodium carbonate 27 40 parts, sodium lauryl sulphate 4 10 parts, water surplus.
In some embodiments, during described step (2) ungrease treatment, degreaser pH value controls 11 15, during process,
Every shake in 36 minutes once, and detect solution ph, when pH value is less than 12, to supplement skimmed milk in time.
In some embodiments, the additive of described step (4) includes ethanedioic acid tetraacethyl disodium, citric acid.
Advantages of the present invention and having the beneficial effects that: present invention safety simple to operate, low cost, the hair blackening liquid used is joined
Fang Heli, energy-conserving and environment-protective are nontoxic, strong by the cast member corrosion resistance after blackening process of the present invention, and wearability is high.
Detailed description of the invention
By the embodiment of the present invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment one:
The invention discloses a kind of surface of the work blackening process method, comprise the following steps:
(1) oil removing: added by cast member in degreasing tank, oil removing solution concentration is 40g/L, and solution temperature is 60 DEG C, soaks 3
After minute, pull cast member out, rinse 2 times with clear water；
As preferably, oil removing solution includes the raw material of following weight portion: sodium phosphate 45 parts, sodium carbonate 27 parts, dodecane
10 parts of base sodium sulfate, water surplus；
(2) pickling: the cast member after oil removing being put into descaling bath and carries out pickling, technical hydrochloric acid solution concentration is 15%, acid
The time of washing is 5 minutes, then takes out cast member, rinses 3 times with clear water；
(3) defat: immersed in degreaser by the cast member after pickling, carries out ungrease treatment, processes 10 minutes time, then
Take out cast member, rinse 2 times with clear water；
As preferably, during ungrease treatment, degreaser pH value controls 11, during process, every shake in 3 minutes once, and
Detection solution ph, to supplement skimmed milk when pH value is less than 12 in time；
(4) blackout preparation: by weight, by sodium hydroxide 20 parts, potassium peroxydisulfate 20 parts, sodium potassium tartrate tetrahydrate 5 parts, adds
Agent 10 parts, water surplus, join in melanism groove, stir；
As preferably, additive includes ethanedioic acid tetraacethyl disodium.
(5) blackout: the cast member after defat being put into melanism groove and carries out Darkening process, solution temperature controls at 5 DEG C, processes
Time is 2 minutes, then takes out cast member, rinses 3 times with clear water；
(6) post processing: being immersed in liquid soap by the cast member after blackout, process 5 minutes, solution temperature is 30 DEG C, so
Cast member is entered dewatering rust preventive oil by rear taking-up cast member, takes out after 1 minute, and band cast member surface blackening film is completely dried i.e.
Can.
Embodiment two:
The invention discloses a kind of surface of the work blackening process method, comprise the following steps:
(1) oil removing: added by cast member in degreasing tank, oil removing solution concentration is 70g/L, and solution temperature is 85 DEG C, soaks
After 12 minutes, pull cast member out, rinse 6 times with clear water；
As preferably, oil removing solution includes the raw material of following weight portion: sodium phosphate 50 parts, sodium carbonate 40 parts, dodecane
10 parts of base sodium sulfate, water surplus；
(2) pickling: the cast member after oil removing being put into descaling bath and carries out pickling, technical hydrochloric acid solution concentration is 35%, acid
The time of washing is 5 minutes, then takes out cast member, rinses 6 times with clear water；
(3) defat: immersed in degreaser by the cast member after pickling, carries out ungrease treatment, processes 40 minutes time, then
Take out cast member, rinse 6 times with clear water；
As preferably, during ungrease treatment, degreaser pH value controls 15, during process, every shake in 6 minutes once, and
Detection solution ph, to supplement skimmed milk when pH value is less than 12 in time；
(4) blackout preparation: by weight, by sodium hydroxide 50 parts, potassium peroxydisulfate 20 parts, sodium potassium tartrate tetrahydrate 6 parts, adds
Agent 14 parts, water surplus, join in melanism groove, stir；
As preferably, additive includes ethanedioic acid tetraacethyl disodium, citric acid.
(5) blackout: the cast member after defat being put into melanism groove and carries out Darkening process, solution temperature controls at 30 DEG C, place
The reason time is 10 minutes, then takes out cast member, rinses 6 times with clear water；
(6) post processing: being immersed in liquid soap by the cast member after blackout, process 10 minutes, solution temperature is 50 DEG C, so
Cast member is entered dewatering rust preventive oil by rear taking-up cast member, takes out after 2 minutes, and band cast member surface blackening film is completely dried i.e.
Can.
Embodiment three:
The invention discloses a kind of surface of the work blackening process method, comprise the following steps:
(1) oil removing: added by cast member in degreasing tank, oil removing solution concentration is 60g/L, and solution temperature is 75 DEG C, soaks 8
After minute, pull cast member out, rinse 4 times with clear water；
As preferably, oil removing solution includes the raw material of following weight portion: sodium phosphate 48 parts, sodium carbonate 34 parts, dodecane
7 parts of base sodium sulfate, water surplus；
(2) pickling: the cast member after oil removing being put into descaling bath and carries out pickling, technical hydrochloric acid solution concentration is 25%, acid
The time of washing is 8 minutes, then takes out cast member, rinses 5 times with clear water；
(3) defat: immersed in degreaser by the cast member after pickling, carries out ungrease treatment, processes 30 minutes time, then
Take out cast member, rinse 4 times with clear water；
As preferably, during ungrease treatment, degreaser pH value controls 13, during process, every shake in 34 minutes once, and
Detection solution ph, to supplement skimmed milk when pH value is less than 12 in time；
(4) blackout preparation: by weight, by sodium hydroxide 20 parts, potassium peroxydisulfate 40 parts, sodium potassium tartrate tetrahydrate 5 parts, adds
Agent 12 parts, water surplus, join in melanism groove, stir；
As preferably, additive includes ethanedioic acid tetraacethyl disodium, citric acid.
(5) blackout: the cast member after defat being put into melanism groove and carries out Darkening process, solution temperature controls at 25 DEG C, place
The reason time is 7 minutes, then takes out cast member, rinses 5 times with clear water；
(6) post processing: being immersed in liquid soap by the cast member after blackout, process 7 minutes, solution temperature is 40 DEG C, so
Cast member is entered dewatering rust preventive oil by rear taking-up cast member, takes out after 1.5 minutes, and band cast member surface blackening film is completely dried i.e.
Can.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. a surface of the work blackening process method, it is characterised in that comprise the following steps:
(1) oil removing: added by cast member in degreasing tank, oil removing solution concentration is 40-70g/L, and solution temperature is 60 85 DEG C, leaching
After steeping 3 12 minutes, pull cast member out, rinse 26 times with clear water；
(2) pickling: the cast member after oil removing being put into descaling bath and carries out pickling, technical hydrochloric acid solution concentration is 15 35%, acid
The time of washing is 5 15 minutes, then takes out cast member, rinses 36 times with clear water；
(3) defat: immersed in degreaser by the cast member after pickling, carries out ungrease treatment, processes 10 40 minutes time, then
Take out cast member, rinse 26 times with clear water；
(4) blackout preparation: by weight, by sodium hydroxide 20 50 parts, potassium peroxydisulfate 20 40 parts, sodium potassium tartrate tetrahydrate 56
Part, additive 10 14 parts, water surplus, join in melanism groove, stir；
(5) blackout: the cast member after defat being put into melanism groove and carries out Darkening process, solution temperature controls at 5 30 DEG C, processes
Time is 2 10 minutes, then takes out cast member, rinses 36 times with clear water；
(6) post processing: being immersed in liquid soap by the cast member after blackout, process 5 10 minutes, solution temperature is 30 50
DEG C, then taking out cast member and cast member is entered dewatering rust preventive oil, take out after 12 minutes, band cast member surface blackening film is complete
It is dried.
A kind of surface of the work blackening process method the most according to claim 1, it is characterised in that described step (1) oil removing
Solution includes the raw material of following weight portion: sodium phosphate 45 50 parts, sodium carbonate 27 40 parts, sodium lauryl sulphate 4 10 parts,
Water surplus.
A kind of surface of the work blackening process method the most according to claim 1, it is characterised in that described step (2) defat
During process, degreaser pH value controls 11 15, during process, every shake in 36 minutes once, and detects solution ph, pH value
Skimmed milk is supplemented in time during less than 12.
A kind of surface of the work blackening process method the most according to claim 1, it is characterised in that adding of described step (4)
Add agent and include ethanedioic acid tetraacethyl disodium, citric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444322.4A CN106119826A (en) | 2016-06-20 | 2016-06-20 | A kind of surface of the work blackening process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444322.4A CN106119826A (en) | 2016-06-20 | 2016-06-20 | A kind of surface of the work blackening process method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106119826A true CN106119826A (en) | 2016-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610444322.4A Pending CN106119826A (en) | 2016-06-20 | 2016-06-20 | A kind of surface of the work blackening process method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106119826A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400403A (en) * | 2017-06-28 | 2017-11-28 | 浙江伟星实业发展股份有限公司 | A kind of Summoning slide fastener of changeable colour and preparation method thereof |
| CN111041469A (en) * | 2019-12-30 | 2020-04-21 | 瑞声通讯科技(常州)有限公司 | Shading sheet and blackening treatment method thereof |
| WO2021134293A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Light shield component and blackening method therefor |
-
2016
- 2016-06-20 CN CN201610444322.4A patent/CN106119826A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400403A (en) * | 2017-06-28 | 2017-11-28 | 浙江伟星实业发展股份有限公司 | A kind of Summoning slide fastener of changeable colour and preparation method thereof |
| CN111041469A (en) * | 2019-12-30 | 2020-04-21 | 瑞声通讯科技(常州)有限公司 | Shading sheet and blackening treatment method thereof |
| WO2021134293A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Light shield component and blackening method therefor |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161116 |
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| WD01 | Invention patent application deemed withdrawn after publication |