CN1514030A - High precision profiled copper alloy belt and its manufacturing method - Google Patents
High precision profiled copper alloy belt and its manufacturing method Download PDFInfo
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- CN1514030A CN1514030A CNA031498485A CN03149848A CN1514030A CN 1514030 A CN1514030 A CN 1514030A CN A031498485 A CNA031498485 A CN A031498485A CN 03149848 A CN03149848 A CN 03149848A CN 1514030 A CN1514030 A CN 1514030A
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Abstract
A high-accuracy shaped copper alloy band is made of the copper (99.78-99.815 wt%) and the silver (0.085-0.12 wt.%) through preparing copper alloy billet, high-speed forging, in-line annealing, washing surface, rolling, and coiling along with the lining paper. Its advantages are high tension strength, percentage elongation and hardness, high electric conductivity, and high surface quality.
Description
Technical field:
The invention belongs to the nonferrous materials processing technique field, a kind of high-precision section copper alloy belt and process for making thereof.
Background technology:
At present, be widely used in electronics, the electrical apparatus industry, the lead frame copper strip material that also can be used for unicircuit, plastic packaging triode transistor also relies on external import mostly, domestic existing is produced the enterprise of high-accuracy shaped strip copper, the pull-type production methods of flute profile roller that adopt more, need repeatedly compacting pressure processing, take rolling, stretching, metal thickness attenuate, length are increased; Handle owing to lacking the milling surface working again, thereby blank surface smooth finish is poor; And be used for big, power integrated circuit, and the copper base band material of plastic packaging triode transistor lead frame, its section form is very complicated, and the strictness of production size tolerance requirements also will overcome structural as defectives such as deflection, side wave wave, crooked longitudinal cracks.
China's publication number: CN1250816 discloses a kind of high-accuracy shaped strip copper and production technique thereof in the patent of invention, its copper strips section is a groove shapes; Its production technique be melting-continuous up-casting-cold rolling-vacuum annealing-roller pull out-vacuum annealing-finished product roller procedure such as pulls out; Last Lian Yinzhu: a fire door constantly feeds intake, and another fire door draws the strand material continuously, and the casting section is a groove shapes, the groove that it casts out, its surface irregularity, low precision; And its production technique is only disclosed.
In order to overcome the defective on the prior art, the purpose of this invention is to provide a kind of high-precision section copper alloy belt, be widely used in electronics, the electrical apparatus industry, the lead frame copper alloy belt material that also can be used for unicircuit, plastic packaging triode transistor, it has the alloy material reasonable ratio, the metal consumption less wastage, superiority such as quality product height.
Another object of the present invention provides produces this high-precision section copper alloy belt processing method, and it is reasonable, simple to have a technical process, boosts productivity quality product precision height.
For achieving the above object, the present invention adopts following technical scheme:
Described high-precision section copper alloy belt adds ag material by copper basically and forms; Wherein content is by weight: copper is 99.78%-99.815, and silver is 0.085-0.12%, all the other ≯ 0.15% be inevitable impurity; At first be made into the copper parent blank, by high speed hammering-online annealing-surface clean with water-forming roll is rolling-the finished product lining paper technology such as batches; Special-shaped copper alloy belt tensile strength δ b 〉=275N/mm that it is produced
2, unit elongation δ 10 〉=9%, vickers hardness hv are 100-125, electric conductivity 〉=85%IACS, and surface roughness Ra is not more than 1.5 μ m, and the surface does not have scuffing, load mould, oxidation stain and water mark etc.
Described high-precision section copper alloy belt, it can also be to add phosphorus composition by copper basically to form, wherein content is by weight: copper is 99.86%-99.885%, phosphorus 0.015%-0.040%; All the other are ≯ 0.15% unavoidable impurities; At first be made into the copper alloy parent blank, by high speed hammering-online annealing-surface clean with water-forming roll is rolling-the finished product lining paper technology such as batches; The tensile strength δ b 〉=280N/mm of the special-shaped copper alloy belt that it is produced
2, unit elongation δ 10 〉=8%, vickers hardness hv are 103-120, electric conductivity 〉=85%IACS, and surface roughness Ra is not more than 1.5 μ m, and surface nothing scuffing, presses to resist oxidation stain and water mark etc.
Described high-precision section copper alloy belt, it can also be to add iron by copper basically and phosphate material is formed, and wherein content is by weight: copper is 99.86%-99.885%, and iron is 0.05%-0.15%; Phosphorus 0.025%-0.040%; All the other are ≯ 0.15% unavoidable impurities; At first be made into the copper alloy parent blank, by high speed hammering-online annealing-surface clean with water-forming roll is rolling-the finished product lining paper technology such as batches; The tensile strength δ b 〉=280N/mm of the special-shaped copper alloy belt that it is produced
2, unit elongation δ 10 〉=8%, vickers hardness hv are 103-120, electric conductivity 〉=85%IACS, and surface roughness Ra is not more than 1.5 μ m, and surface nothing scuffing, and it is anti-not have pressure, No oxidation discoloration and water mark etc.
The concrete processing process of described high-precision section copper alloy belt is: the alloy material of three kinds of different proportionings is prepared in the proportioning ratio, metallic substance is dropped into the line frequency induction furnace founding become ingot blank-walking-beam furnace heating-hot rolling-two-sided surface-cold rolling-cover annealing-plane bar that mills shear-to make special-shaped copper alloy parent blank; Add again forging and pressing-online annealing of forge die high speed and surface clean with water-the special-shaped roll of Wimet is rolling-the finished product lining paper batches, and meets the product requirement warehouse-in after testing.
In the high energy rate forging hammer forging process of described high-precision section copper alloy belt, can be designed to the forging hammer mould of T-shape structure; Also can be designed as the hammering mould of " U " type structure, forging goes out T-shape or the special-shaped copper alloy belt of " U " type.
Owing to adopted technical scheme as mentioned above, the present invention has following superiority:
Adopt technical scheme of the present invention, make the high-precision section copper alloy belt of electronics, electrical apparatus industry use, solved the economical load of China by the high cost of a large amount of imports; The present invention has technical process rationally, simply, the metal consumption less wastage, and quality product improves a lot.
The present invention adopts the performance index of the special-shaped copper alloy belt that three kinds of material mixture ratios and process for making make to be respectively: its tensile strength is respectively δ b 〉=275N/mm
2, δ b 〉=280N/mm
2, δ b 〉=280N/mm
2Its unit elongation is respectively δ 10 〉=9%, and δ 10 〉=8%, and δ 10 〉=8%; Vickers hardness hv is 110-125, and HV is 103-120, and HV is 103-120; Electric conductivity 〉=85%IACS, 〉=85%IACS, 〉=85%IACS; Surface roughness Ra is not more than 1.5 μ m, is not more than 1.5 μ m, is not more than 1.5 μ m; And the surface does not have scuffing, no load mould, No oxidation discoloration and water mark etc.
The drawing explanation:
Fig. 1 high-precision section copper alloy belt processing process figure:
Embodiment one:
The high-precision section copper alloy belt adds silver by copper and forms; Wherein content is by weight: copper is 99.85%, and silver is 0.09%, all the other ≯ 0.15% be inevitable impurity; At first make the copper alloy parent blank, by high speed hammering-online annealing-surface clean with water-forming roll is rolling-the finished product lining paper technology such as batches; Its special-shaped copper alloy belt tensile strength δ b 〉=275N/mm
2, unit elongation δ 10 〉=9%, vickers hardness hv are 100-125, electric conductivity 〉=85%IACS, and surface roughness Ra is not more than 1.5 μ m, and the surface does not have scuffing, no load mould, No oxidation discoloration and water mark etc.
Embodiment two:
The high-precision section copper alloy belt, it can also be phosphorated by copper and form, and wherein content is by weight: copper is 99.885%, and phosphorus is 0.040%; All the other ≯ 0.15% be unavoidable impurities; At first make the copper alloy parent blank, by high speed hammering-online annealing-surface clean with water-forming roll is rolling-the finished product lining paper technology such as batches; The tensile strength δ b 〉=280N/mm of the special-shaped copper alloy belt that it is produced
2, unit elongation δ 10 〉=8%, vickers hardness hv are 103-120, electric conductivity 〉=85%IACS, and surface roughness Ra is not more than 1.5 μ m, and surface nothing scuffing, and it is anti-not have pressure, No oxidation discoloration and water mark etc.
Embodiment three:
The high-precision section copper alloy belt, it can also be to add iron by copper basically and phosphorus is formed, and wherein content is by weight: copper is 99.86%, and iron is 0.08%, phosphorus 0.040%; All the other ≯ 0.15% unavoidable impurities; At first make the copper alloy parent blank, by high speed hammering-online annealing-surface clean with water-forming roll is rolling-the finished product lining paper technology such as batches; The tensile strength δ b 〉=280N/mm of the special-shaped copper alloy belt of producing
2, unit elongation δ 10 〉=8%, vickers hardness hv is 103-120, electric conductivity 〉=85%IACS, surface roughness Ra is not more than 1.5 μ m, and the surface do not have to scratch, do not have press anti-, No oxidation discoloration and water mark etc.
Claims (9)
1, a kind of electronics, electrical apparatus industry high-precision section copper alloy belt of being used for, the invention is characterized in: described special-shaped copper alloy belt is a base-material by copper product basically, ag material processes copper alloy belt in addition; Wherein content by weight: copper is 99.78%-99.815%, and silver is 0.085%-0.12%; At first be made into the copper alloy parent blank, clean with water through high speed hammering-online annealing-surface-forming roll is rolled into alloy copper strips-finished product and batches, and makes the special-shaped copper alloy belt tensile strength δ b 〉=275N/mm that produces
2, unit elongation δ 10 〉=9%, vickers hardness hv are 100-125, electric conductivity 〉=85%IACS, and surface roughness Ra is not more than 1.5 μ m, and the surface does not have scuffing, no load mould, No oxidation discoloration and water mark etc.
2, high-precision section copper alloy belt as claimed in claim 1, it is characterized in that: described special-shaped copper alloy belt is a base-material by copper product basically, the materials processing that phosphorates forms copper alloy belt, and wherein content by weight: copper is 99.86%-99.885%, phosphorus 0.015%-0.040%; At first be made into the copper alloy parent blank, clean with water through high speed hammering-online annealing-surface-forming roll is rolling-the finished product lining paper batches; The tensile strength δ b 〉=280N/mm of the special-shaped copper alloy belt of producing
2, unit elongation δ 10 〉=8%, vickers hardness hv is 103-120, electric conductivity 〉=85%IACS, surface roughness Ra is not more than 1.5 μ m, and the surface do not have to scratch, do not have press anti-, No oxidation discoloration and water mark etc.
3, high-precision section copper alloy belt as claimed in claim 1, it is characterized in that: described special-shaped copper alloy belt is a base-material by copper product basically, add iron and phosphate material processes copper alloy belt, wherein content by weight: copper is 99.86%-99.885%, iron is 0.05%-0.15%, phosphorus 0.025%-0.040%; At first be made into the copper alloy parent blank, clean with water through high speed hammering-online annealing-surface-forming roll is rolling-the finished product lining paper batches; The tensile strength δ b 〉=280N/mm of the special-shaped copper alloy belt of producing
2, unit elongation δ 10 〉=8%, vickers hardness hv are 103-120, electric conductivity 〉=85%IACS, and surface roughness Ra is not more than 1.5 μ m, and surface nothing scuffing, and it is anti-not have pressure, No oxidation discoloration and water mark etc.
4, a kind of technological method for processing of making above-mentioned high-precision section copper alloy belt, it is characterized in that: the metal that will prepare in proportion drops into line frequency induction furnace, and founding becomes ingot blank-walking-beam furnace heating-hot rolling-two-sided face-cold rolling-cover annealing-plane bar that mills shear-to make special-shaped copper alloy parent blank; Insert forging and pressing-online annealing of forge die high speed and surface again to clean with water-the special-shaped roll of Wimet is rolling-and the finished product lining paper batches, and meets the product requirement warehouse-in after testing.
5, high-precision section copper alloy belt according to claim 4 adds processing method, it is characterized in that: in the high energy rate forging hammer forging process in the described complete processing, can design the hammering mould of T-shape structure, forging goes out the special-shaped copper alloy belt of T-shape structure.
6, high-precision section copper alloy belt according to claim 4 adds processing method, it is characterized in that: in the high energy rate forging hammer forging process in the described complete processing, can design the hammering mould of " U " type structure, forging goes out the special-shaped copper alloy belt of " U " type structure.
7, implement the processing method of making high-precision section copper alloy belt as claimed in claim 1, it is characterized in that: copper is added ag material; Wherein content is by weight: copper is 99.85%, and silver is 0.09%, all the other ≯ 0.15% be inevitable impurity; At first make the copper alloy parent blank, clean with water through high speed hammering-online annealing-surface-forming roll is rolling-the finished product lining paper batches.
8, implement the processing method of making high-precision section copper alloy belt as claimed in claim 2, it is characterized in that: it can also be that copper is added phosphate material, and wherein content by weight: copper is 99.885%%, and phosphorus is 0.040%; All the other ≯ 0.15% unavoidable impurities; At first make the copper alloy parent blank, clean with water through high speed hammering-online annealing-surface-forming roll is rolling-the finished product lining paper batches.
9, implement the processing method of making high-precision section copper alloy belt as claimed in claim 3, it is characterized in that: it can also be that copper is added iron and phosphate material, and wherein content by weight: copper is 99.86%, and iron is 0.08%, phosphorus 0.040%; All the other ≯ 0.15% unavoidable impurities; At first make the copper alloy parent blank, clean with water through high speed hammering-online annealing-surface-forming roll is rolling-the finished product lining paper batches.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395077C (en) * | 2006-04-05 | 2008-06-18 | 宁波海王机电科技有限公司 | Method for preparing high conductive, high temperature electronic frame material |
| CN101823134A (en) * | 2010-05-11 | 2010-09-08 | 四川晶剑电子材料有限公司 | Novel continuous production process of high-precision section copper strip |
| CN101988149A (en) * | 2009-07-31 | 2011-03-23 | 上海格林赛高新材料有限公司 | Continuous electric heating and annealing furnace boiler device for uniformly softening T-shaped strip material |
| CN103700594A (en) * | 2013-06-17 | 2014-04-02 | 泰兴市永志电子器件有限公司 | Method for producing specially-shaped micro-power mode copper alloy band of lead frame |
| CN105173267A (en) * | 2015-06-17 | 2015-12-23 | 中天合金技术有限公司 | Copper strip anti-oxidation packaging method |
| CN105513665A (en) * | 2015-12-02 | 2016-04-20 | 芜湖楚江合金铜材有限公司 | Low-resistivity special-shape copper alloy wire rod and production technology therefor |
| CN106868334A (en) * | 2017-02-22 | 2017-06-20 | 铜陵格里赛铜冠电子材料有限公司 | A kind of special-shaped copper alloy belt and its production method |
| CN107876574A (en) * | 2017-11-03 | 2018-04-06 | 宁波康强电子股份有限公司 | A kind of manufacture method of shaped strip copper |
| CN108265194A (en) * | 2018-01-09 | 2018-07-10 | 北京有色金属研究总院 | A kind of railway power through track copper alloy conductor and preparation method thereof |
| CN108842092A (en) * | 2018-07-06 | 2018-11-20 | 福州大学 | A kind of silver-containing antibacterial copper alloy and preparation method thereof |
| CN109825739A (en) * | 2019-03-29 | 2019-05-31 | 安徽众源新材料股份有限公司 | A kind of fuse cap copper alloy and production technology |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101195199B (en) * | 2007-12-13 | 2010-06-23 | 北京金鹰恒泰铜业有限公司 | Special-shaped cross section copper strip process technique and special-shaped cross section copper strip produced by using the technique |
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- 2003-07-28 CN CN 03149848 patent/CN1233861C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395077C (en) * | 2006-04-05 | 2008-06-18 | 宁波海王机电科技有限公司 | Method for preparing high conductive, high temperature electronic frame material |
| CN101988149A (en) * | 2009-07-31 | 2011-03-23 | 上海格林赛高新材料有限公司 | Continuous electric heating and annealing furnace boiler device for uniformly softening T-shaped strip material |
| CN101823134A (en) * | 2010-05-11 | 2010-09-08 | 四川晶剑电子材料有限公司 | Novel continuous production process of high-precision section copper strip |
| CN103700594A (en) * | 2013-06-17 | 2014-04-02 | 泰兴市永志电子器件有限公司 | Method for producing specially-shaped micro-power mode copper alloy band of lead frame |
| CN105173267A (en) * | 2015-06-17 | 2015-12-23 | 中天合金技术有限公司 | Copper strip anti-oxidation packaging method |
| CN105513665A (en) * | 2015-12-02 | 2016-04-20 | 芜湖楚江合金铜材有限公司 | Low-resistivity special-shape copper alloy wire rod and production technology therefor |
| CN106868334A (en) * | 2017-02-22 | 2017-06-20 | 铜陵格里赛铜冠电子材料有限公司 | A kind of special-shaped copper alloy belt and its production method |
| CN107876574A (en) * | 2017-11-03 | 2018-04-06 | 宁波康强电子股份有限公司 | A kind of manufacture method of shaped strip copper |
| CN108265194A (en) * | 2018-01-09 | 2018-07-10 | 北京有色金属研究总院 | A kind of railway power through track copper alloy conductor and preparation method thereof |
| CN108842092A (en) * | 2018-07-06 | 2018-11-20 | 福州大学 | A kind of silver-containing antibacterial copper alloy and preparation method thereof |
| CN109825739A (en) * | 2019-03-29 | 2019-05-31 | 安徽众源新材料股份有限公司 | A kind of fuse cap copper alloy and production technology |
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