CN113696009A - Method for controlling surface texture of copper strip - Google Patents
Method for controlling surface texture of copper strip Download PDFInfo
- Publication number
- CN113696009A CN113696009A CN202111016161.6A CN202111016161A CN113696009A CN 113696009 A CN113696009 A CN 113696009A CN 202111016161 A CN202111016161 A CN 202111016161A CN 113696009 A CN113696009 A CN 113696009A
- Authority
- CN
- China
- Prior art keywords
- roller
- copper strip
- grinding
- roughness
- texture
- 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.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000010949 copper Substances 0.000 title claims abstract description 59
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims description 18
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 230000003746 surface roughness Effects 0.000 claims abstract description 11
- 230000004075 alteration Effects 0.000 claims abstract description 5
- 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
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000047 product Substances 0.000 description 14
- 239000007795 chemical reaction product Substances 0.000 description 5
- 238000005498 polishing Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Images
Classifications
-
- 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 a copper strip by controlling the processing rate of the last pass during the rolling of a finished product, thereby realizing the uniformity of the surface texture of the copper strip. The invention carries out grinding processing on the roller used in rolling the copper strip, firstly leads the surface roughness and the texture of the roller after grinding to meet the same requirements of the copper strip, then controls the processing rate of the last pass in rolling the finished product of the copper strip, copies the surface texture of the roller to the surface of the copper strip, thereby realizing the purposes of no chromatic aberration on the surface of the copper strip, uniform and consistent microscopic texture and roughness Ra of less than 0.1 mu m. 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 a copper strip by controlling the processing rate of the last pass during the rolling of a finished product, thereby realizing the uniformity of the surface texture of the copper strip.
Background
At present, the homogenization competition of the copper product market is increasingly violent, and a plurality of copper product processing manufacturers aim at the domestic middle-high-end copper product market to research and develop products and further improve the product quality. For example, medium-high end products such as battery tab belts, LED belts, housing belts, connector belts, frame belts, etc., have very strict requirements on the surface of copper strips, and have higher requirements on surface roughness, internal tissues and surface micro-texture besides requiring no defects on the surface of the product, so that the difficulty in production and processing is obviously increased, which requires further exploration and innovation in the aspects of equipment, process, technology, materials, etc.
Disclosure of Invention
The invention provides a control method for realizing the surface roughness Ra of the copper strip less than 0.1 mu m, no chromatic aberration on the surface of the copper strip and uniform and consistent microscopic textures.
The invention is realized by adopting the following technical scheme: a method for controlling the surface texture of a copper strip, comprising the following steps: 1) selecting a roller material;
2) grinding a roller;
3) after the roller is ground, the roughness is detected at the two ends of the roller by using a roughness meter, and the surface roughness Ra0.06-0.08 μm of the roller is ensured (the data can ensure that the surface roughness Ra of the copper strip is less than 0.1 μm); the roller surface has no knife lines and obvious color difference by visual observation; observing the surface of the roller by using a hand-held magnifier to ensure that the surface texture of the roller is uniform and consistent; if one index does not meet the requirement, grinding is continued;
4) when the copper strip finished product is rolled, the ground roller is used for rolling for the last time; the last processing rate is less than or equal to 15 percent, and the rolling reduction is less than 0.1 mm;
5) after rolling, the roughness and the 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.
The invention carries out grinding processing on the roller used in rolling the copper strip, firstly leads the surface roughness and the texture of the roller after grinding to meet the same requirements of the copper strip, then controls the processing rate of the last pass in rolling the finished product of the copper strip, copies the surface texture of the roller to the surface of the copper strip, thereby realizing the purposes of no chromatic aberration on the surface of the copper strip, uniform and consistent microscopic texture and roughness Ra of less than 0.1 mu m. The invention opens up a brand new technical route and effectively realizes the purpose of improving the surface texture of the copper strip; the method has ingenious conception and effectively reduces the production cost.
Further, 1) the material of the roller is 9Cr2Mo, 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 plus 850rpm, the rotating speed of the roller is 80rpm, and the moving speed of the Z axis is 300 plus 500 mm/min; the grinding time is 3.5-4 h.
The steps control the material of the roller, the grinding process parameters of the roller and the like, and can ensure that the surface roughness and the texture of the roller meet the same requirements of the copper strip.
In the prior art, a copper strip finished product grinding and polishing mode is usually adopted, so that the surface of a copper strip meets the requirements, equipment investment is large, and grinding and polishing equipment and processes must be added in the production process; compared with the prior art, the method has the advantages that the surface characteristics of high-end products are easily achieved by skillfully controlling the rolling machining rate of the rollers and the finished products, the method is simple, the operation and the execution are easy, and the method is suitable for being popularized to the surface control of the high-end products such as copper and aluminum alloy strips.
Drawings
FIG. 1 is a photograph of a surface of a plain 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) roll material 9Cr2Mo, roll body surface HS: 88-98.
2) Grinding a roller: the grinding wheel is made of white corundum, the rotating speed of the grinding wheel is 750 plus 850rpm, the rotating speed of the roller is 80rpm, and the moving speed of the Z axis is 300 plus 500 mm/min.
The grinding time is 3.5-4 h.
3) After the grinding of the roller is finished, detecting the roughness at the two ends of the roller by using a roughness meter to ensure that the surface roughness Ra0.06-0.08 mu m of the roller is ensured; the roller surface has no knife lines and obvious color difference by visual observation; and observing the surface of the roller by using a hand-held magnifier to ensure that the surface textures of the roller are uniform and consistent. And if one index does not meet the requirement, the 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 usually less than or equal to 15%, and the rolling reduction is less than 0.1 mm.
5) After rolling, the roughness and the 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) And (3) detecting the surface roughness Ra of the copper strip by using a roughness meter to be less than 0.1 mu m, observing the surface of the copper strip by using a 40-time microscope, wherein the surface textures are uniform and consistent, and observing the surface of the copper strip by naked eyes to be free from chromatic aberration.
Fig. 1 shows that the surface of the common copper strip obtained by the prior art is imaged by amplifying by 40 times, and the copper strip produced by the common process has rough surface and fuzzy and scattered lines.
FIG. 2 shows that the surface of the high-end copper strip is imaged by amplifying by 40 times, and the copper strip produced by the method has fine and smooth surface, clear and uniform lines.
The invention overcomes the technical problem 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.
In the prior art, the surface of a copper strip meets the requirements by adopting a grinding and polishing mode of a finished copper strip product, equipment investment is large, grinding and polishing equipment and processes must be added in the production process, and the method easily realizes the surface of a high-end product by controlling the processing rate of a roller and the finished product rolling, is simple, is easy to operate and execute, and is suitable for being popularized to the surface control of the high-end products such as copper and aluminum alloy strips.
Claims (3)
1. A method for controlling the surface texture of a copper strip is characterized by comprising the following steps: 1) selecting a roller material;
2) grinding a roller;
3) after the grinding of the roller is finished, detecting the roughness at the two ends of the roller by using a roughness meter to ensure that the surface roughness Ra0.06-0.08 mu m of the roller is ensured; the roller surface has no knife lines and obvious color difference by visual observation; observing the surface of the roller by using a hand-held magnifier to ensure that the surface texture of the roller is uniform and consistent; if one index does not meet the requirement, grinding is continued;
4) when the copper strip finished product is rolled, the ground roller is used for rolling for the last time; the last processing rate is less than or equal to 15 percent, and the rolling reduction is less than 0.1 mm;
5) after rolling, the roughness and the 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. The method for controlling the surface texture of the copper strip as claimed in claim 1, further comprising the step (6): and (3) detecting the surface roughness Ra of the copper strip by using a roughness meter to be less than 0.1 mu m, observing the surface of the copper strip by using a 40-time microscope, wherein the surface textures are uniform and consistent, and observing the surface of the copper strip by naked eyes to be free from chromatic aberration.
3. The method of claim 1, wherein 1) the material of the roller is 9Cr2Mo, the surface HS of the roller body is: 88-98; 2) grinding a roller: the grinding wheel is made of white corundum, the rotating speed of the grinding wheel is 750 plus 850rpm, the rotating speed of the roller is 80rpm, and the moving speed of the Z axis is 300 plus 500 mm/min; the grinding time is 3.5-4 h.
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 true CN113696009A (en) | 2021-11-26 |
| CN113696009B 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 |
|---|
| 兰利亚等: "铜及铜合金精密带材生产技术", 冶金工业出版社, pages: 108 - 114 * |
| 路彪;杜婷;胡晓东;尹艳;: "LED灯引线支架用黄铜带生产工艺控制要点", 有色金属加工, no. 03, pages 25 - 27 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113696009B (en) | 2024-06-07 |
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