CN113696009B - Method for controlling surface texture of copper strip - Google Patents
Method for controlling surface texture of copper strip Download PDFInfo
- Publication number
- CN113696009B CN113696009B CN202111016161.6A CN202111016161A CN113696009B CN 113696009 B CN113696009 B CN 113696009B CN 202111016161 A CN202111016161 A CN 202111016161A CN 113696009 B CN113696009 B CN 113696009B
- Authority
- CN
- China
- Prior art keywords
- roller
- copper strip
- texture
- grinding
- roughness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 57
- 239000010949 copper Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 230000003746 surface roughness Effects 0.000 claims abstract description 10
- 230000004075 alteration Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 7
- 241000951498 Brachypteraciidae Species 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 12
- 239000007795 chemical reaction product Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/16—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged
- B24B5/167—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged for rolls with large curvature radius, e.g. mill rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/227—Surface roughening or texturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/006—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a control mode of surface texture in the production process of a copper strip, in particular to a mode of copying the surface texture of a roller to the surface of the copper strip by controlling the last processing rate in the rolling process of a finished product, thereby realizing uniform and consistent surface texture of the copper strip. According to the invention, the roller used in the process of rolling the copper strip is subjected to grinding, the surface roughness and texture of the roller after grinding firstly meet the same requirement of the copper strip, then the final processing rate in the process of rolling the copper strip finished product is controlled, and the surface texture of the roller is copied to the surface of the copper strip, so that the targets of no chromatic aberration, uniform and consistent microscopic texture and roughness Ra < 0.1 mu m of the copper strip surface are realized. The invention opens up a brand new technical route, effectively realizes the purpose of improving the surface texture of the copper strip, has ingenious conception and effectively reduces the production cost.
Description
Technical Field
The invention relates to a control mode of surface texture in the production process of a copper strip, in particular to a mode of copying the surface texture of a roller to the surface of the copper strip by controlling the last processing rate in the rolling process of a finished product, thereby realizing uniform and consistent surface texture of the copper strip.
Background
At present, the homogenization competition of the copper product market is increasingly vigorous, and a plurality of copper product manufacturers aim at the domestic middle-high-end copper product market to research and develop products so as to further improve the product quality. For example, the middle-high end products such as battery tab strips, LED strips, shell strips, connector strips, frame strips and the like have extremely strict requirements on the surfaces of copper strips, and besides no flaws on the surfaces of the products, the requirements on surface roughness, internal tissues and microscopic textures on the surfaces are also higher, so that the production and processing difficulties are obviously increased, and further exploration and innovation in the aspects of equipment, technology, materials and the like are required.
Disclosure of Invention
The invention provides a control method for realizing the uniform and consistent microscopic texture of the copper strip surface with the roughness Ra less than 0.1 mu m and no chromatic aberration.
The invention is realized by adopting the following technical scheme: a method of controlling the surface texture of a copper strip, the method comprising: 1) Selecting a roller material;
2) Grinding a roller;
3) Detecting roughness at two ends of the roller by using a roughness meter after finishing grinding of the roller, and ensuring the surface roughness Ra0.06-0.08 mu m of the roller (the data can ensure that the surface roughness Ra of the copper strip is less than 0.1 mu m); the surface of the roller is free from feed lines and obvious chromatic aberration by naked eyes; observing the roller surface by using a handheld magnifier to ensure uniform texture on the roller surface; if one of the indexes does not meet the requirement, grinding is continued;
4) When the copper strip finished product is rolled, the ground roller is used for rolling in the last pass; the processing rate of the last pass is less than or equal to 15 percent, and the rolling reduction is less than 0.1mm;
5) After rolling, the roughness and surface texture of the roller are copied on the surface of the copper strip, so that the surface of the copper strip meets ideal requirements.
According to the invention, the roller used in the process of rolling the copper strip is subjected to grinding, the surface roughness and texture of the roller after grinding firstly meet the same requirement of the copper strip, then the final processing rate in the process of rolling the copper strip finished product is controlled, and the surface texture of the roller is copied to the surface of the copper strip, so that the targets of no chromatic aberration, uniform and consistent microscopic texture and roughness Ra < 0.1 mu m of the copper strip surface are realized. The invention opens up a brand new technical route and effectively achieves the aim of improving the surface texture of the copper strip; the method has ingenious conception and also effectively reduces the production cost.
Further, the material of the roller in the step 1) is 9Cr2Mo, and the surface HS of the roller body is as follows: 88-98; 2) Grinding a roller: the grinding wheel is made of white corundum, the rotating speed of the grinding wheel is 750-850rpm, the rotating speed of a roller is 80rpm, and the moving speed of a Z axis is 300-500mm/min; the grinding time is 3.5-4 hours.
The material of the roller, the roller grinding process parameters and the like are controlled, so that the surface roughness and texture of the roller can be ensured to meet the same requirements of the copper strip.
In the prior art, a copper strip finished product grinding and polishing mode is generally adopted, so that the surface of the copper strip meets the requirements, the equipment investment is large, and grinding and polishing equipment and processes are required to be added in the production process; compared with the prior art, the method is ingenious in controlling the rolling processing rate of the roller and the finished product, easy to achieve the surface characteristics of the high-end product, simple in method, easy to operate and execute and suitable for being popularized to the surface control of the high-end products such as copper, aluminum alloy strips and the like.
Drawings
Fig. 1 is a photograph of the surface of a conventional copper strip.
Fig. 2 is a photograph of the surface of a high-end copper strip according to the present invention.
Detailed Description
The invention is realized by the following technical scheme:
1) Roller material 9Cr2Mo is used, and the surface HS of the roller body is as follows: 88-98.
2) Grinding a roller: the grinding wheel is made of white corundum, the rotating speed of the grinding wheel is 750-850rpm, the rotating speed of the roller is 80rpm, and the Z-axis moving speed is 300-500mm/min.
The grinding time is 3.5-4 hours.
3) Detecting roughness at two ends of the roller by using a roughness meter after finishing grinding the roller, and ensuring the surface roughness Ra0.06-0.08 mu m of the roller; the surface of the roller is free from feed lines and obvious chromatic aberration by naked eyes; and observing the roller surface by using a handheld magnifying glass to ensure uniform texture of the roller surface. And if one index does not meet the requirement, continuing grinding.
4) When the copper strip finished product is rolled, the ground roller is used for the last pass, the processing rate of the last pass is usually less than or equal to 15%, and the rolling reduction is less than 0.1mm.
5) After rolling, the roughness and surface texture of the roller are perfectly copied on the surface of the copper strip, so that the surface of the copper strip meets ideal requirements.
6) Detecting the surface roughness Ra of the copper strip with a roughness meter to be less than 0.1 mu m, observing the surface of the copper strip with a 40-time microscope, wherein the surface texture is uniform and consistent, and observing the surface of the copper strip with naked eyes has no chromatic aberration.
Fig. 1 is a 40-fold magnification image of the surface of a common copper strip obtained by the prior art, and it can be seen that the surface of the copper strip produced by the common process is rough, and the lines are fuzzy and scattered.
Fig. 2 is an enlarged 40-time imaging of the surface of the high-end copper strip, and it can be seen that the copper strip produced by the invention has fine surface, clear and uniform texture.
The invention solves the technical problems that the surface of the copper strip is difficult to achieve high smoothness and uniform texture, changes the traditional copper strip surface control mode, and has certain advancement and competitiveness.
The method is simple, easy to operate and execute, and suitable for being popularized to the surface control of high-end products such as copper, aluminum alloy strips and the like.
Claims (3)
1. A method for controlling the texture of a copper strip surface, said method comprising the steps of: 1) Selecting a roller material;
2) Grinding a roller;
3) Detecting roughness at two ends of the roller by using a roughness meter after finishing grinding the roller, and ensuring the surface roughness Ra0.06-0.08 mu m of the roller; the surface of the roller is free from feed lines and obvious chromatic aberration by naked eyes; observing the roller surface by using a handheld magnifier to ensure uniform texture on the roller surface; if one of the indexes does not meet the requirement, grinding is continued;
4) When the copper strip finished product is rolled, the ground roller is used for rolling in the last pass; the processing rate of the last pass is less than or equal to 15 percent, and the rolling reduction is less than 0.1mm;
5) After rolling, the roughness and surface texture of the roller are copied on the surface of the copper strip, so that the surface of the copper strip meets ideal requirements.
2. A method of controlling the surface texture of a copper strip as recited in claim 1 further comprising the step of (6): detecting the surface roughness Ra of the copper strip with a roughness meter to be less than 0.1 mu m, observing the surface of the copper strip with a 40-time microscope, wherein the surface texture is uniform and consistent, and observing the surface of the copper strip with naked eyes has no chromatic aberration.
3. The method for controlling the surface texture of copper strips according to claim 1, wherein the material of the roller in 1) is 9Cr2Mo, and the surface HS of the roller body is as follows: 88-98; 2) Grinding a roller: the grinding wheel is made of white corundum, the rotating speed of the grinding wheel is 750-850rpm, the rotating speed of a roller is 80rpm, and the moving speed of a Z axis is 300-500mm/min; the grinding time is 3.5-4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016161.6A CN113696009B (en) | 2021-08-31 | 2021-08-31 | Method for controlling surface texture of copper strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016161.6A CN113696009B (en) | 2021-08-31 | 2021-08-31 | Method for controlling surface texture of copper strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113696009A CN113696009A (en) | 2021-11-26 |
| CN113696009B true CN113696009B (en) | 2024-06-07 |
Family
ID=78658327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111016161.6A Active CN113696009B (en) | 2021-08-31 | 2021-08-31 | Method for controlling surface texture of copper strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113696009B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215791A (en) * | 2014-06-27 | 2016-01-06 | 张红超 | Minute surface Roller Machining method and utilize the method for this minute surface Roller Machining minute surface aluminium sheet |
| CN110052897A (en) * | 2019-04-11 | 2019-07-26 | 安徽众源新材料股份有限公司 | The processing technology of ultrasonic bonding copper strips |
| CN111889522A (en) * | 2020-08-20 | 2020-11-06 | 中铝瑞闽股份有限公司 | Control method for improving rolling surface quality of aluminum plate strip |
-
2021
- 2021-08-31 CN CN202111016161.6A patent/CN113696009B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215791A (en) * | 2014-06-27 | 2016-01-06 | 张红超 | Minute surface Roller Machining method and utilize the method for this minute surface Roller Machining minute surface aluminium sheet |
| CN110052897A (en) * | 2019-04-11 | 2019-07-26 | 安徽众源新材料股份有限公司 | The processing technology of ultrasonic bonding copper strips |
| CN111889522A (en) * | 2020-08-20 | 2020-11-06 | 中铝瑞闽股份有限公司 | Control method for improving rolling surface quality of aluminum plate strip |
Non-Patent Citations (2)
| Title |
|---|
| LED灯引线支架用黄铜带生产工艺控制要点;路彪;杜婷;胡晓东;尹艳;;有色金属加工(03);第25-27页 * |
| 兰利亚等.铜及铜合金精密带材生产技术.冶金工业出版社,2009,第108-114页. * |
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| Publication number | Publication date |
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| CN113696009A (en) | 2021-11-26 |
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