CN105420719A - Metal plate surface blackening process - Google Patents
Metal plate surface blackening process Download PDFInfo
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- CN105420719A CN105420719A CN201510994805.7A CN201510994805A CN105420719A CN 105420719 A CN105420719 A CN 105420719A CN 201510994805 A CN201510994805 A CN 201510994805A CN 105420719 A CN105420719 A CN 105420719A
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- sheet metal
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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
- C23C22/73—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a metal plate surface blacking process which comprises the following steps: selecting materials, stamping and folding, removing greasy dirt, carrying out wire brushing treatment, carrying out shot blasting and sand blasting treatment, carrying out pickling, carrying out primary clear water washing treatment, degreasing, carrying out secondary spray water washing, blackening, carrying out tertiary clear water flushing, drying, galvanizing, carrying out surface paint-drying, carrying out plastic spraying, carrying out product flaw detection, marking and warehousing. The metal plate surface blackening process can meet performance requirements of metal plate products; a workpiece is good in stamping effect and uniform in texture; and corrosion and rust resistance are improved.
Description
Technical field
The present invention relates to field of metal surface treatment, particularly relate to a kind of panel beating surface blackening treatment process.
Background technology
In modern mechanical industry, sheet metal component is widely used, sheet metal component is exactly thin plate handware, pass through punching press, bending, the mechanical part of stretch process, in processing, thickness remains unchanged, the most frequently used material is steel plate galvanized and stainless steel plate, sheet metal work is usually used in automobile, steamer, the vehicle body of the vehicles such as aircraft is shaping, all sheet metal process is needed in vehicle body is shaping, network interface card in computer inside and display card are all adopt panel beating to make, also panel beating technology is commonly used in medicine equipment, at electronic apparatus, mechanics of communication is also essential, but traditional steel plate galvanized and stainless steel plate are in sheet metal process, also exist and use poor corrosion resistance for a long time, the defect that pulling force and hardness reduce, do not meet the requirement of sophisticated product, and traditional sheet metal process is complicated, cycle is long, there is protruding and burr phenomena in surface treatment, for this reason, the invention provides a kind of panel beating surface blackening treatment process, processing quality is good, surfacing, blackening process is the conventional means of chemical surface treatment, metallic surface is made to produce oxide film, isolated air, reach antirust object, blackening process be sheet metal work appearance requirement not high when conventional means.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of panel beating surface blackening treatment process, process means in the not high situation of workpiece appearance requirement, the sheet metal work of this art breading is homogeneous, good antirust property, and technical process is simple, and the manufacture craft cost of panel beating is low.
Described a kind of panel beating surface blackening treatment process, comprises following step:
The first step: Metal plate selects cold-rolled steel, easily shaping, material thickness is less than 3 millimeters, adopt shears, the sheet metal work that will carry out processing is sheared, cold-rolled steel sheet processing is cut into the rectangular parallelepiped workpiece that width is 80 millimeters to 100 millimeters, for other workpiece, can customize according to different in width, the scope of workpiece is generally between 50 millimeters to 7000 millimeters;
Second step: utilize punch press that sheet metal component is carried out pressing lap, the folding angle meeting finished product drawing, and bend work accordingly, meet the requirement of workpiece radian;
3rd step: the surface treatment carrying out sheet metal work, first carries out degreasing work sheet metal work, adopts chemical decontamination;
4th step: select nylon abrasive filaments, the process of brush silk is carried out to sheet metal work surface, described nylon material, can PA66 be selected, PA6, PA610, PA612, a kind of optimal technical scheme, nylon 1010 selected by described nylon, nylon 1010 moulding process is good, and wear resistance is good, adopts nylon 1010 to workpiece grinding and polishing;
5th step: after abrasive brush silk, carries out shot-peening sandblasting to sheet metal work surface, and adopt lubricant lubrication sheet metal work surface, the compound of Calcium hydrogen carbonate and industrial grease selected by lubricant;
6th step: pickling is carried out on sheet metal work surface, surfaces externally and internally carries out pickling immersion, wipe oil, oxide skin and iron rust, lubricating oil can be removed simultaneously, and tack process is carried out at workpiece two ends, emery wheel reconditioning defect is adopted after tack process, reconditioning adopts electric angle grinder, and to serious surface crack, road plan adopts throwing cloth wheel to carry out outer polishing, outer polishing is divided into rough polishing and precise polished, rough polishing adopts No. 100 alumina abrasives, the impression that finishing polish is residual after eliminating polishing, adopts No. 200 alumina abrasives; A kind of optimal technical scheme, described acid solution selects dilute sulphuric acid;
7th step: after pickling, adopts first time clear water washing process, disposes surface impurity;
8th step: after cleaning, sheet metal work carries out skimming treatment, and sheet metal work must immerse in degreasing fluid completely;
Skim soln adopt organic solvent and neutrality breast night, degreasing fluid concentration ph value 12-14, treatment time 0-30min, often cross and shake several times in about 3-5 minute, liquor strength supplements spent meal lower than during ph12, avoid with acid or highly basic grease-removing agent, in degreasing work, performance level can be confirmed with moisture film test;
9th step: adopt second time spray washing, adopt high pressure water cleaning after spray;
Tenth step: blackening process is carried out on sheet metal work surface, this step is a kind of core of panel beating surface blackening treatment process, sheet metal work is placed in blackout pond, the pond liquid concentration ph value 2.5-3.5 in blackout pond, treatment time 10-12min;
11 step: carry out third time clear water flushing, after flushing, workpiece is placed in passivation pool and carries out Passivation Treatment, Passivation Treatment potassium bichromate solution is as filling liquid, and its concentration is 12%-18%; At room temperature 1-2 minute;
12 step: carry out drying and processing, and carry out the toning that oils;
13 step: zinc-plated process, in order to make sheet metal work surface tight with the combination of zinc coating, selecting acid zinc plating technique, carrying out in sour zinc groove, putting into two zinc bars, 20 minutes electric degree time.
14 step: zinc-plated complete after, carry out surperficial paint baking;
15 step: workpiece carries out plastic-blasting process;
16 step: the examination and test of products is detected a flaw, with water test flaw detection, finished product sheet metal work all needs hydraulic tester to carry out the water test, to check the situation of bearing pressure, finds the defect hidden further.
17 step: mark warehouse-in, seals warehouse-in up for safekeeping sheet metal work.
The invention has the beneficial effects as follows: a kind of panel beating surface blackening of the present invention treatment process, workpiece, after art breading, can meet the requirement of panel beating product performance, workpiece stamping quality is good, homogeneous, and protection against corrosion antirust ability increases, dimensional stabilizing, can be cost-saving, improves product qualified rate.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Described a kind of panel beating surface blackening treatment process, comprises following step:
The first step: Metal plate selects cold-rolled steel, easily shaping, material thickness is less than 3 millimeters, adopt shears, the sheet metal work that will carry out processing is sheared, cold-rolled steel sheet processing is cut into the rectangular parallelepiped workpiece that width is 80 millimeters to 100 millimeters, for other workpiece, can customize according to different in width, the scope of workpiece is generally between 50 millimeters to 7000 millimeters;
Second step: utilize punch press that sheet metal component is carried out pressing lap, the folding angle meeting finished product drawing, and bend work accordingly, meet the requirement of workpiece radian;
3rd step: the surface treatment carrying out sheet metal work, first carries out degreasing work sheet metal work, adopts chemical decontamination;
4th step: select nylon abrasive filaments, the process of brush silk is carried out to sheet metal work surface, described nylon material, can PA66 be selected, PA6, PA610, PA612, a kind of optimal technical scheme, nylon 1010 selected by described nylon, nylon 1010 moulding process is good, and wear resistance is good, adopts nylon 1010 to workpiece grinding and polishing;
5th step: after abrasive brush silk, carries out shot-peening sandblasting to sheet metal work surface, and adopt lubricant lubrication sheet metal work surface, the compound of Calcium hydrogen carbonate and industrial grease selected by lubricant;
6th step: pickling is carried out on sheet metal work surface, surfaces externally and internally carries out pickling immersion, wipe oil, oxide skin and iron rust, lubricating oil can be removed simultaneously, and tack process is carried out at workpiece two ends, emery wheel reconditioning defect is adopted after tack process, reconditioning adopts electric angle grinder, and to serious surface crack, road plan adopts throwing cloth wheel to carry out outer polishing, outer polishing is divided into rough polishing and precise polished, rough polishing adopts No. 100 alumina abrasives, the impression that finishing polish is residual after eliminating polishing, adopts No. 200 alumina abrasives; A kind of optimal technical scheme, described acid solution selects dilute sulphuric acid;
7th step: after pickling, adopts first time clear water washing process, disposes surface impurity;
8th step: after cleaning, sheet metal work carries out skimming treatment, and sheet metal work must immerse in degreasing fluid completely;
Skim soln adopt organic solvent and neutrality breast night, degreasing fluid concentration ph value 12-14, treatment time 0-30min, often cross and shake several times in about 3-5 minute, liquor strength supplements spent meal lower than during ph12, avoid with acid or highly basic grease-removing agent, in degreasing work, performance level can be confirmed with moisture film test;
9th step: adopt second time spray washing, adopt high pressure water cleaning after spray;
Tenth step: blackening process is carried out on sheet metal work surface, this step is a kind of core of panel beating surface blackening treatment process, sheet metal work is placed in blackout pond, the pond liquid concentration ph value 2.5-3.5 in blackout pond, treatment time 10-12min;
11 step: carry out third time clear water flushing, after flushing, workpiece is placed in passivation pool and carries out Passivation Treatment, Passivation Treatment potassium bichromate solution is as filling liquid, and its concentration is 12%-18%; At room temperature 1-2 minute;
12 step: carry out drying and processing, and carry out the toning that oils;
13 step: zinc-plated process, in order to make sheet metal work surface tight with the combination of zinc coating, selecting acid zinc plating technique, carrying out in sour zinc groove, putting into two zinc bars, 20 minutes electric degree time.
14 step: zinc-plated complete after, carry out surperficial paint baking;
15 step: workpiece carries out plastic-blasting process;
16 step: the examination and test of products is detected a flaw, with water test flaw detection, finished product sheet metal work all needs hydraulic tester to carry out the water test, to check the situation of bearing pressure, finds the defect hidden further.
17 step: mark warehouse-in, seals warehouse-in up for safekeeping sheet metal work.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a panel beating surface blackening treatment process, is characterized in that, comprises following step:
The first step: Metal plate selects cold-rolled steel, and material thickness is less than 3 millimeters, adopts shears to shear, and cold-rolled steel sheet processing is cut into the rectangular parallelepiped workpiece that width is 80 millimeters to 100 millimeters;
Second step: utilize punch press that sheet metal component is carried out pressing lap, and bend work accordingly;
3rd step: the surface treatment carrying out sheet metal work, first carries out degreasing work sheet metal work;
4th step: select nylon abrasive filaments, the process of brush silk is carried out to sheet metal work surface;
5th step: after abrasive brush silk, carries out shot-peening sandblasting to sheet metal work surface, and adopt lubricant lubrication sheet metal work surface, the compound of Calcium hydrogen carbonate and industrial grease selected by lubricant;
6th step: pickling is carried out on sheet metal work surface, surfaces externally and internally carries out pickling immersion, and tack process is carried out at workpiece two ends, adopts emery wheel reconditioning defect after tack process, and reconditioning adopts electric angle grinder;
7th step: after pickling, adopts first time clear water washing process, disposes surface impurity;
8th step: after cleaning, sheet metal work carries out skimming treatment, and sheet metal work must immerse in degreasing fluid completely, skim soln adopt organic solvent and neutrality breast night, degreasing fluid concentration ph value 12-14, treatment time 0-30min;
9th step: adopt second time spray washing, adopt high pressure water cleaning after spray;
Tenth step: blackening process is carried out on sheet metal work surface, is placed in sheet metal work in blackout pond, the pond liquid concentration ph value 2.5-3.5 in blackout pond, treatment time 10-12min;
11 step: carry out third time clear water flushing, after flushing, workpiece is placed in passivation pool and carries out Passivation Treatment, Passivation Treatment potassium bichromate solution is as filling liquid, and its concentration is 12%-18%, at room temperature 1-2 minute;
12 step: carry out drying and processing, and carry out the toning that oils;
13 step: zinc-plated process, in order to make sheet metal work surface tight with the combination of zinc coating, selecting acid zinc plating technique, carrying out in sour zinc groove;
14 step: zinc-plated complete after, carry out surperficial paint baking;
15 step: workpiece carries out plastic-blasting process;
16 step: the examination and test of products is detected a flaw, with water test flaw detection, finished product sheet metal work all needs hydraulic tester to carry out the water test, to check the situation of bearing pressure, finds the defect hidden further;
17 step: mark warehouse-in, seals warehouse-in up for safekeeping sheet metal work.
2. mobile phone according to claim 1, is characterized in that, in the 4th described step, nylon 1010 selected by nylon.
3. mobile phone according to claim 1, is characterized in that, in the 6th described step, described acid solution selects dilute sulphuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510994805.7A CN105420719A (en) | 2015-12-28 | 2015-12-28 | Metal plate surface blackening process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510994805.7A CN105420719A (en) | 2015-12-28 | 2015-12-28 | Metal plate surface blackening process |
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| CN105420719A true CN105420719A (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510994805.7A Pending CN105420719A (en) | 2015-12-28 | 2015-12-28 | Metal plate surface blackening process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932195A (en) * | 2017-10-13 | 2018-04-20 | 江苏捷帝机器人股份有限公司 | A kind of polishing after-treatment system of metal machinery people component |
| CN110744264A (en) * | 2019-09-11 | 2020-02-04 | 惠州市志成海利五金制品有限公司 | Machining process method of hardware fitting of electronic product |
| CN111554483A (en) * | 2020-06-16 | 2020-08-18 | 石家庄天泰电力变压器有限公司 | Rust prevention process for oil tank of three-dimensional wound core distribution transformer |
| CN112872954A (en) * | 2021-01-15 | 2021-06-01 | 滁州美杰精密部件制造有限公司 | Deburring process for cover plate production |
Citations (1)
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| CN101734422A (en) * | 2009-12-10 | 2010-06-16 | 上海宝钢包装钢带有限公司 | Production method of zinc coating steel band for packaging |
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2015
- 2015-12-28 CN CN201510994805.7A patent/CN105420719A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101734422A (en) * | 2009-12-10 | 2010-06-16 | 上海宝钢包装钢带有限公司 | Production method of zinc coating steel band for packaging |
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| 卢新华: "钢铁常温发黑工艺及其维护", 《化学工程与装备》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932195A (en) * | 2017-10-13 | 2018-04-20 | 江苏捷帝机器人股份有限公司 | A kind of polishing after-treatment system of metal machinery people component |
| CN110744264A (en) * | 2019-09-11 | 2020-02-04 | 惠州市志成海利五金制品有限公司 | Machining process method of hardware fitting of electronic product |
| CN111554483A (en) * | 2020-06-16 | 2020-08-18 | 石家庄天泰电力变压器有限公司 | Rust prevention process for oil tank of three-dimensional wound core distribution transformer |
| CN112872954A (en) * | 2021-01-15 | 2021-06-01 | 滁州美杰精密部件制造有限公司 | Deburring process for cover plate production |
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Application publication date: 20160323 |