CN106283130A - A kind of spring steel zinc-plated anti-white point corrosion new technology - Google Patents
A kind of spring steel zinc-plated anti-white point corrosion new technology Download PDFInfo
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- CN106283130A CN106283130A CN201610682967.1A CN201610682967A CN106283130A CN 106283130 A CN106283130 A CN 106283130A CN 201610682967 A CN201610682967 A CN 201610682967A CN 106283130 A CN106283130 A CN 106283130A
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- spring steel
- solution
- clear water
- rinses
- pickling
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/52—After-treatment of electroplated surfaces by brightening or burnishing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps: first spring steel is put into after degreasing powder solution soaks 10 12min, pull spring steel out and rinse；Then the spring steel after oil removing is put in the technical hydrochloric acid solution of descaling bath and carry out pickling, then take out spring steel and rinse；Being put into by spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, solution temperature is 30 35 DEG C, and current efficiency is 5A/kg, and the process time is 25 35min, takes out spring steel, rinses 23 times with clear water；Putting in salpeter solution by the spring steel after acid zinc plating, after process, clear water rinses；Spring steel after going out light is put in the passivating dip that concentration is 5 8mL/L, is passivated, and takes out spring steel, rinses 34 times with clear water；Spring steel vapours after passivation is carried out burn.It is simple that the present invention has technique, service life length advantage.
Description
Technical field
The present invention relates to zincincation technical field, be specifically related to a kind of spring steel zinc-plated anti-white point corrosion new technology.
Background technology
After the transport of spring steel product multiparity time, the product surface that the original light of discovery is smooth occur the whitest or grey
Color powder, product turns black, and serious place even occurs in that rust staining.It practice, the side that the spring steel newly plated is stacked with solid matter
When formula stores and transports in environment that is moist and that draw badly, the powder corrosion forming white or Lycoperdon polymorphum Vitt at galvanizing surface is produced
Thing, the white rust that this corrosion product is just known as.For spring steel matrix, zinc coating belongs to anodic coating, and it is main
Being used for preventing the corrosion of iron and steel, the quality of its barrier propterty is the biggest with thickness of coating relation.The passivated process of zinc coating, dye
Color.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, there is work
Skill is simple, service life length advantage.
For realizing object above, the present invention is achieved by the following technical programs:
The invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps:
(1) oil removing: first being put into by spring steel in degreasing powder solution, solution temperature is 80-90 DEG C, soaks 10-12min
After, pull spring steel out, rinse 3-4 time with clear water；
(2) pickling: the spring steel after oil removing is put in the technical hydrochloric acid solution of descaling bath and carry out pickling, then take out bullet
Spring steel, rinses 3-4 time with clear water；
(3) acid zinc plating: put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, solution temperature is
30-35 DEG C, current efficiency is 5A/kg, and the process time is 25-35min, takes out spring steel, rinses 2-3 time with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is the 20-25 second, take out bullet
Spring steel, rinses 1-2 time with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 5-8mL/L, is passivated, solution temperature
Degree is for 35-36 DEG C, and the process time is the 20-25 second, takes out spring steel, rinses 3-4 time with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn.
Preferably, the described degreasing powder solution concentration in step (1) is 60g/L.
Preferably, the described technical hydrochloric acid solution concentration in step (2) is 15-20%, and pickling time is 5-10min.
Preferably, the described acid zinc plating solution in step (3) is by the zinc chloride of 50-70g/L, the chlorine of 200-240g/L
Change the boric acid composition of potassium, 20-30g/L.
Preferably, the described passivating dip pH in step (5) is 3.0-3.5.
Preferably, the described heat iron temperature in step (7) is 100-120 DEG C, and the process time is 40-60min.
The method have the benefit that
Beneficial effects of the present invention: spring steel is first carried out acid zinc plating process by (1) present invention, then carries out at alkaline zinc plating
Reason, improves properties of product, and the product anti-white point corrosive nature obtained is strong, and solid performance is high, extends the use longevity of spring steel
Life；(2) present invention reduces the whole process time, use technical hydrochloric acid to carry out pickling, saved cost, improve production effect
Rate.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the enforcement of the present invention
Example, is clearly and completely described the technical scheme in the embodiment of the present invention.Based on the embodiment in the present invention, this area
The every other embodiment that those of ordinary skill is obtained under not making creative work premise, broadly falls into present invention protection
Scope.
Embodiment 1:
The invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps:
(1) oil removing: first being put into by spring steel in the degreasing powder solution that solution concentration is 60g/L, solution temperature is 80 DEG C,
After soaking 10min, pull spring steel out, rinse 3 times with clear water；
(2) pickling: being put into by the spring steel after oil removing in the technical hydrochloric acid solution of descaling bath and carry out pickling, technical hydrochloric acid is molten
Liquid concentration is 15%, and pickling time is 5min, then takes out spring steel, rinses 3 times with clear water；
(3) acid zinc plating: being put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, acid zinc plating is molten
Liquid is made up of the zinc chloride of 50g/L, the potassium chloride of 200g/L, the boric acid of 20g/L, and solution temperature is 30 DEG C, and current efficiency is 5A/
Kg, the process time is 25min, takes out spring steel, rinses 2 times with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is 20 seconds, take out spring
Steel, rinses 1 time with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 5mL/L, is passivated, passivating dip
PH is 3.0, and solution temperature is 35 DEG C, and the process time is 20 seconds, takes out spring steel, rinses 3 times with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn, and heat iron temperature is 100 DEG C, and the process time is
40min。
Embodiment 2:
The invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps:
(1) oil removing: first being put into by spring steel in the degreasing powder solution that solution concentration is 60g/L, solution temperature is 80 DEG C,
After soaking 10min, pull spring steel out, rinse 3 times with clear water；
(2) pickling: being put into by the spring steel after oil removing in the technical hydrochloric acid solution of descaling bath and carry out pickling, technical hydrochloric acid is molten
Liquid concentration is 15%, and pickling time is 5min, then takes out spring steel, rinses 3 times with clear water；
(3) acid zinc plating: being put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, acid zinc plating is molten
Liquid is made up of the zinc chloride of 70g/L, the potassium chloride of 240g/L, the boric acid of 30g/L, and solution temperature is 35 DEG C, and current efficiency is 5A/
Kg, the process time is 35min, takes out spring steel, rinses 3 times with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is 25 seconds, take out spring
Steel, rinses 2 times with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 5mL/L, is passivated, passivating dip
PH is 3.0, and solution temperature is 35 DEG C, and the process time is 20 seconds, takes out spring steel, rinses 3 times with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn, and heat iron temperature is 100-120 DEG C, processes the time
For 40-60min.
Embodiment 3:
The invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps:
(1) oil removing: first being put into by spring steel in the degreasing powder solution that solution concentration is 60g/L, solution temperature is 90 DEG C,
After soaking 12min, pull spring steel out, rinse 3 times with clear water；
(2) pickling: being put into by the spring steel after oil removing in the technical hydrochloric acid solution of descaling bath and carry out pickling, technical hydrochloric acid is molten
Liquid concentration is 15%, and pickling time is 5min, then takes out spring steel, rinses 3 times with clear water；
(3) acid zinc plating: being put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, acid zinc plating is molten
Liquid is made up of the zinc chloride of 70g/L, the potassium chloride of 200g/L, the boric acid of 30g/L, and solution temperature is 30 DEG C, and current efficiency is 5A/
Kg, the process time is 30min, takes out spring steel, rinses 2 times with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is 25 seconds, take out spring
Steel, rinses 1 time with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 6mL/L, is passivated, passivating dip
PH is 3.2, and solution temperature is 35 DEG C, and the process time is 20 seconds, takes out spring steel, rinses 3 times with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn, and heat iron temperature is 110 DEG C, and the process time is
50min。
Embodiment 4:
The invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps:
(1) oil removing: first being put into by spring steel in the degreasing powder solution that solution concentration is 60g/L, solution temperature is 90 DEG C,
After soaking 11min, pull spring steel out, rinse 3 times with clear water；
(2) pickling: being put into by the spring steel after oil removing in the technical hydrochloric acid solution of descaling bath and carry out pickling, technical hydrochloric acid is molten
Liquid concentration is 15%, and pickling time is 5min, then takes out spring steel, rinses 3 times with clear water；
(3) acid zinc plating: being put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, acid zinc plating is molten
Liquid is made up of the zinc chloride of 70g/L, the potassium chloride of 220g/L, the boric acid of 25g/L, and solution temperature is 35 DEG C, and current efficiency is 5A/
Kg, the process time is 25min, takes out spring steel, rinses 2 times with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is the 20-25 second, take out bullet
Spring steel, rinses 1 time with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 8mL/L, is passivated, passivating dip
PH is 3.5, and solution temperature is 36 DEG C, and the process time is 25 seconds, takes out spring steel, rinses 3 times with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn, and heat iron temperature is 100 DEG C, and the process time is
40min。
Embodiment 5:
The invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps:
(1) oil removing: first being put into by spring steel in the degreasing powder solution that solution concentration is 60g/L, solution temperature is 80 DEG C,
After soaking 10min, pull spring steel out, rinse 3 times with clear water；
(2) pickling: being put into by the spring steel after oil removing in the technical hydrochloric acid solution of descaling bath and carry out pickling, technical hydrochloric acid is molten
Liquid concentration is 15%, and pickling time is 5min, then takes out spring steel, rinses 3 times with clear water；
(3) acid zinc plating: being put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, acid zinc plating is molten
Liquid is made up of the zinc chloride of 50g/L, the potassium chloride of 220g/L, the boric acid of 25g/L, and solution temperature is 30 DEG C, and current efficiency is 5A/
Kg, the process time is 35min, takes out spring steel, rinses 3 times with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is 25 seconds, take out spring
Steel, rinses 1 time with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 6mL/L, is passivated, passivating dip
PH is 3.2, and solution temperature is 35 DEG C, and the process time is 20 seconds, takes out spring steel, rinses 3 times with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn, and heat iron temperature is 100 DEG C, and the process time is
40min。
Embodiment 6:
The invention provides a kind of spring steel zinc-plated anti-white point corrosion new technology, comprise the following steps:
(1) oil removing: first being put into by spring steel in the degreasing powder solution that solution concentration is 60g/L, solution temperature is 90 DEG C,
After soaking 12min, pull spring steel out, rinse 4 times with clear water；
(2) pickling: being put into by the spring steel after oil removing in the technical hydrochloric acid solution of descaling bath and carry out pickling, technical hydrochloric acid is molten
Liquid concentration is 20%, and pickling time is 5min, then takes out spring steel, rinses 3 times with clear water；
(3) acid zinc plating: being put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, acid zinc plating is molten
Liquid is made up of the zinc chloride of 60g/L, the potassium chloride of 200g/L, the boric acid of 30g/L, and solution temperature is 30 DEG C, and current efficiency is 5A/
Kg, the process time is 35min, takes out spring steel, rinses 3 times with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is 25 seconds, take out spring
Steel, rinses 2 times with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 8mL/L, is passivated, passivating dip
PH is 3.5, and solution temperature is 36 DEG C, and the process time is 25 seconds, takes out spring steel, rinses 3 times with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn, and heat iron temperature is 100 DEG C, and the process time is
50min。
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to previous embodiment
The present invention is described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these amendment or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a spring steel zinc-plated anti-white point corrosion new technology, it is characterised in that comprise the following steps:
(1) oil removing: first being put into by spring steel in degreasing powder solution, solution temperature is 80-90 DEG C, after soaking 10-12min, drags for
Go out spring steel, rinse 3-4 time with clear water；
(2) pickling: the spring steel after oil removing is put in the technical hydrochloric acid solution of descaling bath and carry out pickling, then take out spring
Steel, rinses 3-4 time with clear water；
(3) acid zinc plating: put into by the spring steel after pickling in acid zinc plating solution and carry out acid zinc plating, solution temperature is 30-
35 DEG C, current efficiency is 5A/kg, and the process time is 25-35min, takes out spring steel, rinses 2-3 time with clear water；
(5) go out light: put in salpeter solution by the spring steel after acid zinc plating, after the process time is the 20-25 second, take out spring
Steel, rinses 1-2 time with clear water；
(6) passivation: the spring steel after going out light is put in the passivating dip that concentration is 5-8mL/L, is passivated, and solution temperature is
35-36 DEG C, the process time is the 20-25 second, takes out spring steel, rinses 3-4 time with clear water；
(7) burn: the spring steel vapours after passivation is carried out burn.
Spring steel the most according to claim 1 zinc-plated anti-white point corrosion new technology, it is characterised in that described step (1)
In degreasing powder solution concentration be 60g/L.
Spring steel the most according to claim 1 zinc-plated anti-white point corrosion new technology, it is characterised in that described step (2)
In technical hydrochloric acid solution concentration be 15-20%, pickling time is 5-10min.
Spring steel the most according to claim 1 zinc-plated anti-white point corrosion new technology, it is characterised in that described step (3)
In acid zinc plating solution be made up of the zinc chloride of 50-70g/L, the potassium chloride of 200-240g/L, the boric acid of 20-30g/L.
Spring steel the most according to claim 1 zinc-plated anti-white point corrosion new technology, it is characterised in that described step (5)
In passivating dip pH be 3.0-3.5.
Spring steel the most according to claim 1 zinc-plated anti-white point corrosion new technology, it is characterised in that described step (7)
In heat iron temperature be 100-120 DEG C, the process time is 40-60min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682967.1A CN106283130A (en) | 2016-08-17 | 2016-08-17 | A kind of spring steel zinc-plated anti-white point corrosion new technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682967.1A CN106283130A (en) | 2016-08-17 | 2016-08-17 | A kind of spring steel zinc-plated anti-white point corrosion new technology |
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| CN106283130A true CN106283130A (en) | 2017-01-04 |
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ID=57678783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610682967.1A Pending CN106283130A (en) | 2016-08-17 | 2016-08-17 | A kind of spring steel zinc-plated anti-white point corrosion new technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334832A (en) * | 2020-04-16 | 2020-06-26 | 常熟风范电力设备股份有限公司 | Electroplating method with good corrosion resistance of wind power base |
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|---|---|---|---|---|
| CN104060182A (en) * | 2014-05-27 | 2014-09-24 | 安徽红桥金属制造有限公司 | Spring and surface treatment process thereof |
| CN104060310A (en) * | 2014-05-26 | 2014-09-24 | 安徽红桥金属制造有限公司 | Novel zinc-plating and anti-white point corrosion process for casting parts |
| CN104060176A (en) * | 2014-05-27 | 2014-09-24 | 安徽红桥金属制造有限公司 | Spring and surface treatment method thereof |
| CN105132905A (en) * | 2015-09-17 | 2015-12-09 | 宝钢集团南通线材制品有限公司 | Rapid surface bluing treatment method of spring steel |
| CN105506654A (en) * | 2015-12-31 | 2016-04-20 | 安徽红桥金属制造有限公司 | Derusting processing process of spring steel |
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2016
- 2016-08-17 CN CN201610682967.1A patent/CN106283130A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060310A (en) * | 2014-05-26 | 2014-09-24 | 安徽红桥金属制造有限公司 | Novel zinc-plating and anti-white point corrosion process for casting parts |
| CN104060182A (en) * | 2014-05-27 | 2014-09-24 | 安徽红桥金属制造有限公司 | Spring and surface treatment process thereof |
| CN104060176A (en) * | 2014-05-27 | 2014-09-24 | 安徽红桥金属制造有限公司 | Spring and surface treatment method thereof |
| CN105132905A (en) * | 2015-09-17 | 2015-12-09 | 宝钢集团南通线材制品有限公司 | Rapid surface bluing treatment method of spring steel |
| CN105506654A (en) * | 2015-12-31 | 2016-04-20 | 安徽红桥金属制造有限公司 | Derusting processing process of spring steel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334832A (en) * | 2020-04-16 | 2020-06-26 | 常熟风范电力设备股份有限公司 | Electroplating method with good corrosion resistance of wind power base |
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Application publication date: 20170104 |