CN104630540A - KFC leading frame copper alloy strip production technology - Google Patents
KFC leading frame copper alloy strip production technology Download PDFInfo
- Publication number
- CN104630540A CN104630540A CN201310548981.9A CN201310548981A CN104630540A CN 104630540 A CN104630540 A CN 104630540A CN 201310548981 A CN201310548981 A CN 201310548981A CN 104630540 A CN104630540 A CN 104630540A
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- CN
- China
- Prior art keywords
- kfc
- annealing
- rolling
- copper alloy
- cold rolling
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Lead Frames For Integrated Circuits (AREA)
Abstract
The invention discloses a KFC leading frame copper alloy strip production technology. The technology comprises the steps of fusion casting, KFC continuous cast blank reeling and milling, cold rolling, bell jar annealing, cold rolling, continuous annealing furnace annealing and cold rolling. Bell jar annealing is carried out, and then 760DEG C annealing is carried out in a continuous annealing furnace, so the recrystallized structure is obvious, the effect is good, and crystal grains are uniformly distributed. The plastic processing property and the precipitation hardening effect are improved.
Description
Technical field
The invention belongs to copper alloy band production technique, be specifically related to a kind of KFC lead frame copper alloy band production technique.
Background technology
Copper Alloys for Lead Frame mainly adopts complex alloys principle, by adding a small amount of, polynary alloying element in copper, under the prerequisite reducing electric conductivity by a small margin, puies forward heavy alloyed intensity and over-all properties.The production level of Copper Alloys for Lead Frame represents the height of a Copper fabrication enterprise technology level, at present, produces the problems such as copper alloy for lead-wire frame band ubiquity industrial scale is little, description is few, Mass accuracy is poor.
Summary of the invention
In order to overcome the above-mentioned defect that prior art field exists, the object of the invention is to, a kind of KFC lead frame copper alloy band production technique is provided, simple to operation.
KFC lead frame copper alloy band production technique provided by the invention, technical process comprises:
A, founding: adopt intermediate frequency furnace melting, horizontal continuous casting method, join Fe, the P of 3.4%, the Cu of 85.1% that material contains 11.5%;
B, KFC continuous casting volume base milling face: by milling face after the KFC alloy casting blank scale rolling of different thickness, breaking down thickness in milling face is 15mm;
C, cold rolling: cold-rolling thickness is 2.5mm;
D, bell jar are annealed: 630 DEG C of bell jar annealing 7h;
E, cold rolling: cold-rolling thickness is to 0.8mm;
F, continuous annealing furnace annealing: annealing temperature is 760 DEG C;
G, cold rolling: to be rolled to 0.8mm thick.
KFC lead frame copper alloy band production technique provided by the invention, its beneficial effect is, first pass through 760 DEG C of annealing in continuous annealing furnace again through bell jar annealing, occur obvious recrystallized structure, effective, the distribution of crystal grain is also very even.Improve plastic deformation ability and precipitation hardening effect.
Embodiment
Below in conjunction with an embodiment, KFC lead frame copper alloy band production technique provided by the invention is described in detail.
Embodiment
A, founding: adopt intermediate frequency furnace melting, horizontal continuous casting method, join Fe, the P of 3.4%, the Cu of 85.1% that material contains 11.5%;
B, KFC continuous casting volume base milling face: by milling face after the KFC alloy casting blank scale rolling of different thickness, breaking down thickness in milling face is 15mm;
C, cold rolling: cold-rolling thickness is 2.5mm;
D, bell jar are annealed: 630 DEG C of bell jar annealing 7h;
E, cold rolling: cold-rolling thickness is to 0.8mm;
F, continuous annealing furnace annealing: annealing temperature is 760 DEG C;
G, cold rolling: to be rolled to 0.8mm thick.
Claims (1)
1. a KFC lead frame copper alloy band production technique, it is characterized in that, technical process comprises:
A, founding: adopt intermediate frequency furnace melting, horizontal continuous casting method, join Fe, the P of 3.4%, the Cu of 85.1% that material contains 11.5%;
B, KFC continuous casting volume base milling face: by milling face after the KFC alloy casting blank scale rolling of different thickness, breaking down thickness in milling face is 15mm;
C, cold rolling: cold-rolling thickness is 2.5mm;
D, bell jar are annealed: 630 DEG C of bell jar annealing 7h;
E, cold rolling: cold-rolling thickness is to 0.8mm;
F, continuous annealing furnace annealing: annealing temperature is 760 DEG C;
G, cold rolling: to be rolled to 0.8mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548981.9A CN104630540A (en) | 2013-11-08 | 2013-11-08 | KFC leading frame copper alloy strip production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548981.9A CN104630540A (en) | 2013-11-08 | 2013-11-08 | KFC leading frame copper alloy strip production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104630540A true CN104630540A (en) | 2015-05-20 |
Family
ID=53209783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310548981.9A Pending CN104630540A (en) | 2013-11-08 | 2013-11-08 | KFC leading frame copper alloy strip production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104630540A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138551A (en) * | 2017-05-11 | 2017-09-08 | 太原晋西春雷铜业有限公司 | The preparation method of LED down-lead bracket brass strips |
| CN108885067A (en) * | 2016-03-23 | 2018-11-23 | 株式会社神户制钢所 | The manufacturing method of vapor chamber |
-
2013
- 2013-11-08 CN CN201310548981.9A patent/CN104630540A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108885067A (en) * | 2016-03-23 | 2018-11-23 | 株式会社神户制钢所 | The manufacturing method of vapor chamber |
| CN108885067B (en) * | 2016-03-23 | 2020-08-04 | 株式会社神户制钢所 | Method for manufacturing steam cavity |
| CN107138551A (en) * | 2017-05-11 | 2017-09-08 | 太原晋西春雷铜业有限公司 | The preparation method of LED down-lead bracket brass strips |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |
|
| WD01 | Invention patent application deemed withdrawn after publication |