CN107160100A - A kind of method for solving copper alloy band surface chromatic aberration - Google Patents
A kind of method for solving copper alloy band surface chromatic aberration Download PDFInfo
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- CN107160100A CN107160100A CN201710328053.XA CN201710328053A CN107160100A CN 107160100 A CN107160100 A CN 107160100A CN 201710328053 A CN201710328053 A CN 201710328053A CN 107160100 A CN107160100 A CN 107160100A
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- copper alloy
- finished product
- chromatic aberration
- milling face
- rolled
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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
Abstract
The invention belongs to new material, it is related to elimination or mitigates copper alloy surface aberration phenomenon, the method for improving surface quality of strips, specially a kind of method for solving copper alloy band surface chromatic aberration.A kind of method for solving copper alloy band surface chromatic aberration, comprises the following steps：（1）Milling face after hot rolling：One side milling face thickness is more than 0.6mm；（2）Preform solid solution：700 900 DEG C of solid solubility temperature, solution time 20s 90s, 10 1000 DEG C/s of intensity of cooling；（3）Finished product is rolled：General working rate scope 30% 80%；Single pass working modulus scope 10% 40%；Work roll surface roughness Ra：0.08‑0.2μm；Rear strip surface resid amount is rolled less than 50mg/m2；（4）Finished product Ageing Treatment：500 DEG C of aging temp 350 DEG C, the 10h of soaking time 2, the 30m of shield gas flow rate 103/h；（5）Finished surface processing：Surface scrub is carried out using the mesh abrasive brush of 800 mesh 3000.The present invention eliminates or mitigated copper strip surface aberration, product quality and aesthetics is improved, beneficial to the popularization of product.
Description
Technical field
The invention belongs to new material, it is related to elimination or mitigates copper alloy surface aberration phenomenon, improve surface quality of strips
Method, specially a kind of method for solving copper alloy band surface chromatic aberration.
Background technology
Cu alloy material has high intensity, highly conductive, low-thermal-expansion, platability and excellent processing characteristics etc., it is adaptable to
Electrically, e-machine lead frame, connector, terminal material etc., and automobile mounted use connector, terminal material, relay
Device, switch etc..There is copper alloy band following composition to constitute：Ni：2.2-4.2%；Si：0.25-1.2%；Remainder be copper and
Inevitable impurity.
Copper alloy band surface chromatic aberration is in striation, it is light and dark be randomly distributed or poker dark fringe, striped
Length direction is consistent with rolling direction, and the inconsistent phenomenon of color, influence production can be also presented in the strip product for having aberration after plating
Quality and aesthetics.Strip product quality is improved, it is necessary to eliminate surface chromatic aberration, holding surface uniform color is consistent, beneficial to production
The popularization of product.
The content of the invention
The invention aims to eliminate or mitigate copper strip surface aberration, do not influence electroplating effect and downstream user to use, carry
For a kind of method for solving copper alloy band surface chromatic aberration.
The present invention adopts the following technical scheme that realization：A kind of method for solving copper alloy band surface chromatic aberration, bag
Include following steps：
（1）Milling face after hot rolling：One side milling face thickness is more than 0.6mm；
（2）Preform solid solution：700-900 DEG C of solid solubility temperature, solution time 20s-90s, 10-1000 DEG C of intensity of cooling/s；
（3）Finished product is rolled：General working rate scope 30%-80%；Single pass working modulus scope 10%-40%；Work roll surface roughness
Ra：0.08-0.2μm；Rear strip surface resid amount is rolled less than 50mg/m2；
（4）Finished product Ageing Treatment：350 DEG C -500 DEG C of aging temp, soaking time 2-10h, shield gas flow rate 10-30m3/h；
（5）Finished surface processing：Surface scrub is carried out using the mesh abrasive brush of 800 mesh -3000.
The present invention eliminates or mitigated copper strip surface aberration, product quality and aesthetics is improved, beneficial to the popularization of product.
Embodiment
Embodiment 1：
A kind of method for solving copper alloy band surface chromatic aberration, comprises the following steps：
(1) milling face after hot rolling：One side milling face thickness 0.8mm；
(2) preform solid solution：800 DEG C of solid solubility temperature, solution time 20s, 50 DEG C/s of intensity of cooling；
(3) finished product is rolled：0.6mm-0.2mm, general working rate scope 57%；Rolling pass uses 5 passages, 0.6-0.45-0.35-
0.27-0.225-0.2；Work roll surface roughness Ra：0.12μm；Oil residue on surface is less than 50mg/m2；
(4) finished product Ageing Treatment：450 DEG C of aging temp, soaking time 5h, shield gas flow rate 20m3/h；
(5) finished surface is handled：Surface scrub is carried out using 2000 mesh abrasive brush.
Embodiment 2：
(1) milling face after hot rolling：One side milling face thickness 1mm；
(2) preform solid solution：700 DEG C of solid solubility temperature, solution time 20s, 50 DEG C/s of intensity of cooling；
(3) finished product is rolled：0.6mm-0.2mm, general working rate scope 57%；Rolling pass uses 5 passages, 0.6-0.45-0.35-
0.27-0.225-0.2；Work roll surface roughness Ra：0.12μm；Oil residue on surface is less than 50mg/m2；
(4) finished product Ageing Treatment：400 DEG C of aging temp, soaking time 8h, shield gas flow rate 15m3/h；
(5) finished surface is handled：Surface scrub is carried out using 2000 mesh abrasive brush.
Embodiment 3：
(1) milling face after hot rolling：One side milling face thickness 1mm；
(2) preform solid solution：700 DEG C of solid solubility temperature, solution time 30s, 50 DEG C/s of intensity of cooling；
(3) finished product is rolled：0.6mm-0.3mm, general working rate scope 50%；Rolling pass uses 5 passages, 0.6-0.45-0.35-
0.3；Work roll surface roughness Ra：0.12μm；Oil residue on surface is less than 50mg/m2；
(4) finished product Ageing Treatment：450 DEG C of aging temp, soaking time 5h, shield gas flow rate 20m3/h；
(5) finished surface is handled：Surface scrub is carried out using 2000 mesh abrasive brush.
Embodiment 4：
(1) milling face after hot rolling：One side milling face thickness 0.9mm；
(2) preform solid solution：900 DEG C of solid solubility temperature, solution time 90s, 1000 DEG C/s of intensity of cooling；
(3) finished product is rolled：0.6mm-0.3mm, general working rate scope 30%；Rolling pass uses 5 passages, 0.6-0.45-0.35-
0.3；Work roll surface roughness Ra：0.08μm；Oil residue on surface is less than 50mg/m2；
(4) finished product Ageing Treatment：350 DEG C of aging temp, soaking time 2h, shield gas flow rate 10m3/h；
(5) finished surface is handled：Surface scrub is carried out using 800 mesh abrasive brush.
Embodiment 5：
(1) milling face after hot rolling：One side milling face thickness 1.2mm；
(2) preform solid solution：850 DEG C of solid solubility temperature, solution time 60s, 500 DEG C/s of intensity of cooling；
(3) finished product is rolled：0.6mm-0.3mm, general working rate scope 80%；Rolling pass uses 5 passages, 0.6-0.45-0.35-
0.3；Work roll surface roughness Ra：0.2μm；Oil residue on surface is less than 50mg/m2；
(4) finished product Ageing Treatment：500 DEG C of aging temp, soaking time 10h, shield gas flow rate 25m3/h；
(5) finished surface is handled：Surface scrub is carried out using 3000 mesh abrasive brush.
Embodiment 6：
(1) milling face after hot rolling：One side milling face thickness 1.5mm；
(2) preform solid solution：750 DEG C of solid solubility temperature, solution time 80s, 200 DEG C/s of intensity of cooling；
(3) finished product is rolled：0.6mm-0.3mm, general working rate scope 45%；Rolling pass uses 5 passages, 0.6-0.45-0.35-
0.3；Work roll surface roughness Ra：0.1μm；Oil residue on surface is less than 50mg/m2；
(4) finished product Ageing Treatment：380 DEG C of aging temp, soaking time 7h, shield gas flow rate 30m3/h；
(5) finished surface is handled：Surface scrub is carried out using 1500 mesh abrasive brush.
Claims (1)
1. a kind of method for solving copper alloy band surface chromatic aberration, it is characterised in that comprise the following steps：
（1）Milling face after hot rolling：One side milling face thickness is more than 0.6mm；
（2）Preform solid solution：700-900 DEG C of solid solubility temperature, solution time 20s-90s, 10-1000 DEG C of intensity of cooling/s；
（3）Finished product is rolled：General working rate scope 30%-80%；Single pass working modulus scope 10%-40%；Work roll surface roughness
Ra：0.08-0.2μm；Rear strip surface resid amount is rolled less than 50mg/m2；
（4）Finished product Ageing Treatment：350 DEG C -500 DEG C of aging range, soaking time 2-10h, shield gas flow rate 10-30m3/
h；
（5）Finished surface processing：Surface scrub is carried out using the mesh abrasive brush of 800 mesh -3000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328053.XA CN107160100A (en) | 2017-05-11 | 2017-05-11 | A kind of method for solving copper alloy band surface chromatic aberration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328053.XA CN107160100A (en) | 2017-05-11 | 2017-05-11 | A kind of method for solving copper alloy band surface chromatic aberration |
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| Publication Number | Publication Date |
|---|---|
| CN107160100A true CN107160100A (en) | 2017-09-15 |
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| CN201710328053.XA Pending CN107160100A (en) | 2017-05-11 | 2017-05-11 | A kind of method for solving copper alloy band surface chromatic aberration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604374A (en) * | 2020-05-15 | 2020-09-01 | 太原晋西春雷铜业有限公司 | Method for solving surface white spots of copper alloy strip |
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|---|---|---|---|---|
| CN101984107A (en) * | 2010-12-03 | 2011-03-09 | 中南大学 | Method for preparing CuNiSiAl elastic copper alloy |
| CN102851550A (en) * | 2012-09-04 | 2013-01-02 | 江阴新仁科技有限公司 | Super capacitor battery positive electrode aluminum alloy foil and casting hot continuous rolling process thereof |
| CN103056163A (en) * | 2012-12-26 | 2013-04-24 | 江阴新仁科技有限公司 | Foil cold rolling technique for preparing car cooling piece alloy aluminum foils |
| CN104046843A (en) * | 2014-06-30 | 2014-09-17 | 中色奥博特铜铝业有限公司 | Copper-nickel-silicon alloy material containing rare-earth cerium, lead frame strip and preparation method thereof |
| CN104278171B (en) * | 2014-09-16 | 2016-09-07 | 中南大学 | A kind of CuTi series elastic copper alloy and preparation method thereof |
| CN106636729A (en) * | 2016-10-05 | 2017-05-10 | 宁波兴业盛泰集团有限公司 | Polybasic copper alloy plate and strip for power battery connector and preparation method thereof |
-
2017
- 2017-05-11 CN CN201710328053.XA patent/CN107160100A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984107A (en) * | 2010-12-03 | 2011-03-09 | 中南大学 | Method for preparing CuNiSiAl elastic copper alloy |
| CN102851550A (en) * | 2012-09-04 | 2013-01-02 | 江阴新仁科技有限公司 | Super capacitor battery positive electrode aluminum alloy foil and casting hot continuous rolling process thereof |
| CN103056163A (en) * | 2012-12-26 | 2013-04-24 | 江阴新仁科技有限公司 | Foil cold rolling technique for preparing car cooling piece alloy aluminum foils |
| CN104046843A (en) * | 2014-06-30 | 2014-09-17 | 中色奥博特铜铝业有限公司 | Copper-nickel-silicon alloy material containing rare-earth cerium, lead frame strip and preparation method thereof |
| CN104278171B (en) * | 2014-09-16 | 2016-09-07 | 中南大学 | A kind of CuTi series elastic copper alloy and preparation method thereof |
| CN106636729A (en) * | 2016-10-05 | 2017-05-10 | 宁波兴业盛泰集团有限公司 | Polybasic copper alloy plate and strip for power battery connector and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604374A (en) * | 2020-05-15 | 2020-09-01 | 太原晋西春雷铜业有限公司 | Method for solving surface white spots of copper alloy strip |
| CN111604374B (en) * | 2020-05-15 | 2022-04-05 | 太原晋西春雷铜业有限公司 | Method for solving surface white spots of copper alloy strip |
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Application publication date: 20170915 |
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