CN110438491A - A kind of production method of continuous cast mold short side copper sheet coating side - Google Patents
A kind of production method of continuous cast mold short side copper sheet coating side Download PDFInfo
- Publication number
- CN110438491A CN110438491A CN201910801143.5A CN201910801143A CN110438491A CN 110438491 A CN110438491 A CN 110438491A CN 201910801143 A CN201910801143 A CN 201910801143A CN 110438491 A CN110438491 A CN 110438491A
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- China
- Prior art keywords
- copper sheet
- cladding
- coating
- continuous cast
- cast mold
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/057—Manufacturing or calibrating the moulds
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
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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)
- Manufacturing & Machinery (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a kind of production methods of continuous cast mold short side copper sheet coating side, according to the following steps: S1: copper sheet edge cladding pre-treatment and its non-destructive testing；S2: copper sheet is in place to suitable cladding position；S3: rubbing down；S4: it checks；S5: high-rate laser cladding；S6: copper sheet overturning；S7: cladding layer is formed by metal powder cladding on the surface of second side of copper sheet according to the mode of operation of step S3, S4 and S5；S8: reprocessing.To achieve the purpose that carry out coating production to continuous cast mold short side copper sheet side, high-rate laser melting and coating technique by being applied in the coating production of copper sheet side by the present invention, when crystallizer copper plate surface carries out cladding, cladding quality with higher, bond strength is high, it is not easy to peel off, environmental pollution is smaller, and the production for continuous cast mold short side copper sheet coating side provides new technology.
Description
Technical field
The invention discloses a kind of production methods of continuous cast mold short side copper sheet coating side.
Background technique
Currently, the side of copper plate of crystallizer, when reparation, used technology is electroplated Ni technology.It is repaired in copper plate of crystallizer
When multiple, using side electroplated Ni technology, there are two aspects for main purpose, first is that because copper sheet when in use, there is certain damage
Wound, size is no longer satisfied the demand of copper sheet assembly, therefore uses electroplated Ni technology, for restoring the size of copper sheet；Second is that
Protective layer is provided, in the environment of crystallizer high temperature wear and corrosion, protects the side of copper sheet injury-free.
Although electroplated Ni technology is widely used, but its there are two o'clock shortcomings.First, the combination side of electroplating technology coating
Formula is that half metallurgical semi-machine combines, and bond strength is low, is less than 200MPa, and peeling phenomenon occurs for occasional when in use；Second, electricity
Coating technology environmental pollution is serious, will gradually be eliminated, and especially under the impact for having new technology, is even more not suitable for continuing to make
With.
The appearance of high-rate laser melting and coating technique provides ideal solution for the plating substitution of the product.
Summary of the invention
To solve the above problems, the present invention the following technical schemes are provided:
A kind of production method of continuous cast mold short side copper sheet coating side, comprising the following steps:
S1: copper sheet edge cladding pre-treatment and its non-destructive testing；
Cladding position, which processes, is waited for copper sheet using milling machine or grinding machine, the roughness of copper sheet side is less than Ra6.0, and
It is carried out non-destructive testing using side of the dye penetrant inspection method to copper sheet, it is desirable that flawless and visible stomata are mingled with class defect, reach
III grade of NB/T47013.5-2015；
S2: copper sheet is in place to suitable cladding position；
S3: rubbing down carries out rubbing down to first side of copper sheet, copper sheet surface oxide layer is removed, so that copper plate base body material
Material exposes；
S4: it checks, is checked using substrate material surface of the ocular examination to copper sheet, it is desirable that be visible by naked eyes crackle
With stomata, the forms defect such as be mingled with, and copper sheet surface is completely cleaned, no spot, dust stratification；
S5: high-rate laser cladding carries out operation using high-rate laser melting and coating technique, by metal powder cladding the of copper sheet
The surface of one side forms cladding layer；
S6: copper sheet overturning overturns second side of copper sheet to suitable cladding position；
S7: the table according to the mode of operation of step S3, S4 and S5, by metal powder cladding in second side of copper sheet
Face forms cladding layer；
S8: reprocessing, according to requiring the side by copper sheet to be worked into satisfactory size.
Preferably, the metal powder is pure Ni powder either Ni based powders, and the granularity of metal powder is 15 μm of -55 μ
m。
Preferably, the cladding layer is that one layer or multiple layer metal powder melting form, and the thickness of the cladding layer is not
Less than 0.2mm.
Preferably, when carrying out high-rate laser cladding operation in step S5, the cladding speed of travel is 10-60mm/s, powder feeding speed
Degree is 5-30g/min, laser power 1500-4000W.
High-rate laser melting and coating technique by being applied in the coating production of copper sheet side by the present invention, in copper plate of crystallizer table
When face carries out cladding, cladding quality with higher, bond strength is high, is not easy to peel off, and environmental pollution is smaller, is continuous casting crystallining
The production of device short side copper sheet coating side provides new technology.
Specific embodiment
Below with reference to embodiment, specific embodiments of the present invention are described in further detail:
Embodiment one
A kind of production method of continuous cast mold short side copper sheet coating side, comprising the following steps:
S1: copper sheet edge cladding pre-treatment and its non-destructive testing；
Copper plate of crystallizer product size is the copper sheet of 900mm*160mm*45mm, and the size of the side of copper sheet is 900mm*
45mm is processed, the roughness Ra 3.2 of copper sheet side before carrying out cladding to copper sheet using milling machine, and uses dye penetrant inspection method pair
The side of copper sheet carries out non-destructive testing, it is desirable that flawless and visible stomata are mingled with class defect, and the side of copper sheet is reserved more than 0.2mm
Amount, the production for coating；
S2: copper sheet is in place to suitable cladding position；
S3: rubbing down carries out rubbing down to first side of copper sheet, copper sheet surface oxide layer is removed, so that copper plate base body material
Material exposes, and through measuring, the depth of rubbing down is 0.05mm；
S4: it checks, is checked using substrate material surface of the ocular examination to copper sheet, it is desirable that cladding surface is without naked eyes
Visible crack and stomata, the defect for the forms such as being mingled with, and copper sheet surface is completely cleaned, no spot, dust stratification；
S5: high-rate laser cladding, using high-rate laser melting and coating technique by pure Ni powder cladding in first side of copper sheet
Surface forms cladding layer；When carrying out high-rate laser cladding operation, copper sheet is placed on pincers worker platform surface, and flat with pincers worker
Reference line is aligned on platform, wipes copper sheet side using acetone, is further ensured that cladding area clean cleans；
Its cladding walking path is guaranteed by manipulator when high-rate laser laser work, and manipulator program, starting and receipts are arranged
The position 0.5mm is distinguished on the outside of copper sheet, apart from cladding region long side and short side in tail position；Laser melting coating head is high apart from cladding plane
Degree is 24mm, laser melting coating speed of travel 60mm/s, powder feed rate 5g/min, laser power 3000W.
S6: copper sheet overturning overturns second side of copper sheet to suitable cladding position；
S7: according to the mode of operation of step S3, S4 and S5, by pure Ni powder cladding on the surface of second side of copper sheet,
Form cladding layer；
S8: reprocessing, according to requiring to carry out the side of copper sheet to be worked into satisfactory size.
In the present embodiment, the granularity of the pure Ni powder is 15 μm -55 μm.
In the present embodiment, the cladding layer be one layer of pure Ni powder cladding form, and the cladding layer with a thickness of
0.2mm。
Embodiment two
A kind of production method of continuous cast mold short side copper sheet coating side, comprising the following steps:
S1: copper sheet edge cladding pre-treatment and its non-destructive testing；
Crystallizer copper panel products take the copper sheet having a size of 900mm*160mm*45mm, and cladding region is waited in the side of copper sheet
It having a size of 900mm*45mm, processes, the roughness Ra 3.2 of copper sheet side, and uses before carrying out cladding to copper sheet using milling machine
Color method of detection carries out non-destructive testing the side of copper sheet, it is desirable that flawless and visible stomata are mingled with class defect, the side of copper sheet
Reserved 1.8mm surplus, the production for coating；
S2: copper sheet is in place to suitable cladding position；
S3: rubbing down carries out rubbing down to first side of copper sheet, copper sheet surface oxide layer is removed, so that copper plate base body material
Material exposes, and through measuring, the depth of rubbing down is 0.05mm；
S4: checking, checks, is checked using substrate material surface of the ocular examination to copper sheet, it is desirable that cladding surface
The defect of forms such as it is visible by naked eyes crackle and stomata, is mingled with, and copper sheet surface is completely cleaned, no spot, dust stratification；
S5: high-rate laser cladding, using high-rate laser melting and coating technique by pure Ni powder cladding in first side of copper sheet
Surface forms cladding layer；When carrying out high-rate laser cladding operation, copper sheet is placed on pincers worker platform surface, and flat with pincers worker
Reference line is aligned on platform, is waited for cladding region using acetone wiping copper sheet, is further ensured that cladding area clean cleans；
Its cladding walking path is guaranteed by manipulator when high-rate laser laser work, and manipulator program, starting and receipts are arranged
The position 0.5mm is distinguished on the outside of copper sheet, apart from cladding region long side and short side in tail position；Laser melting coating head is high apart from cladding plane
Degree is 15mm, laser melting coating speed of travel 20mm/s, powder feed rate 20g/min.
S6: second side of copper sheet is overturn suitable cladding position by copper sheet overturning；
S7: according to the mode of operation of step S3, S4 and S5, by pure Ni powder cladding on the surface of second side of copper sheet,
Form cladding layer；
S8: reprocessing, according to requiring to carry out the side of copper sheet to be worked into satisfactory size.
In the present embodiment, the granularity of the pure Ni powder is 15 μm -55 μm.
In the present embodiment, the cladding layer is that the pure Ni powder cladding in two sides forms, laser power when cladding first layer
4000W, laser power 3000W when the cladding second layer, and the cladding layer with a thickness of 1.8mm.
The utility model has the advantages that
Because high-rate laser melting and coating technique laser optical path, powder feeding mill diagram design on have with current conventional laser melting coating
It is improved, then cooperates suitable technology controlling and process, it is possible to realize the surface cladding of Cu alloy material.
Therefore the present invention is being tied by being applied to high-rate laser melting and coating technique in the coating production of copper plate of crystallizer side
When brilliant device copper sheet surface carries out cladding, cladding quality with higher, bond strength is high, is not easy to peel off, and environmental pollution is smaller,
Production for continuous cast mold short side copper sheet coating side provides new technology.
The above described is only a preferred embodiment of the present invention, not making any limit to technical scope of the invention
System, therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention,
In the range of still falling within technical solution of the present invention.
Claims (4)
1. a kind of production method of continuous cast mold short side copper sheet coating side, which comprises the following steps:
S1: copper sheet edge cladding pre-treatment and its non-destructive testing；
Cladding position, which processes, is waited for copper sheet using milling machine or grinding machine, the roughness of copper sheet side is less than Ra6.0, and uses
Dye penetrant inspection method carries out non-destructive testing the side of copper sheet, it is desirable that flawless and visible stomata are mingled with class defect, reach NB/
III grade of T47013.5-2015；
S2: copper sheet is in place to suitable cladding position；
S3: rubbing down carries out rubbing down to first side of copper sheet, copper sheet surface oxide layer is removed, so that copper plate base body material is naked
Expose；
S4: it checks, is checked using substrate material surface of the ocular examination to copper sheet, it is desirable that it is gentle to be visible by naked eyes crackle
Hole such as is mingled at the forms defect, and copper sheet surface is completely cleaned, no spot, dust stratification；
S5: high-rate laser cladding carries out operation using high-rate laser melting and coating technique, by metal powder cladding at first of copper sheet
The surface of side forms cladding layer；
S6: copper sheet overturning overturns second side of copper sheet to suitable cladding position；
S7: according to the mode of operation of step S3, S4 and S5, surface by metal powder cladding in second side of copper sheet, shape
At cladding layer；
S8: reprocessing, according to requiring the side by copper sheet to be worked into satisfactory size.
2. a kind of production method of continuous cast mold short side copper sheet coating side according to claim 1, it is characterised in that:
The metal powder is pure Ni powder either Ni based powders, and the granularity of metal powder is 15 μm -55 μm.
3. a kind of production method of continuous cast mold short side copper sheet coating side according to claim 1, it is characterised in that:
The cladding layer is that one layer or multiple layer metal powder melting form, and the thickness of the cladding layer is not less than 0.2mm.
4. a kind of production method of continuous cast mold short side copper sheet coating side according to claim 1, it is characterised in that:
When carrying out high-rate laser cladding operation in step S5, the cladding speed of travel is 10-60mm/s, powder feed rate 5-30g/min, is swashed
Optical power is 1500-4000W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801143.5A CN110438491A (en) | 2019-08-28 | 2019-08-28 | A kind of production method of continuous cast mold short side copper sheet coating side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801143.5A CN110438491A (en) | 2019-08-28 | 2019-08-28 | A kind of production method of continuous cast mold short side copper sheet coating side |
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| CN110438491A true CN110438491A (en) | 2019-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020567A (en) * | 2019-12-23 | 2020-04-17 | 芜湖舍达激光科技有限公司 | Processing method for manufacturing working surface coating of crystallizer copper plate by high-speed laser cladding |
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| CN109226705A (en) * | 2018-09-30 | 2019-01-18 | 上海宝钢工业技术服务有限公司 | Alloy powder and cladding method for copper plate of crystallizer laser melting coating |
| CN109338357A (en) * | 2018-11-23 | 2019-02-15 | 西安航天发动机有限公司 | A kind of Laser Melting Deposition restorative procedure of metal casting rejected region |
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2019
- 2019-08-28 CN CN201910801143.5A patent/CN110438491A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226705A (en) * | 2018-09-30 | 2019-01-18 | 上海宝钢工业技术服务有限公司 | Alloy powder and cladding method for copper plate of crystallizer laser melting coating |
| CN109338357A (en) * | 2018-11-23 | 2019-02-15 | 西安航天发动机有限公司 | A kind of Laser Melting Deposition restorative procedure of metal casting rejected region |
Non-Patent Citations (1)
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| 张栋华 等: "激光熔覆技术在连铸结晶器短边铜板上的应用", 《2005年中国温州雁荡山硬面技术学术交流会论文集》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020567A (en) * | 2019-12-23 | 2020-04-17 | 芜湖舍达激光科技有限公司 | Processing method for manufacturing working surface coating of crystallizer copper plate by high-speed laser cladding |
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Application publication date: 20191112 |
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