CN114160578A - Method for manufacturing wide-width silver foil - Google Patents
Method for manufacturing wide-width silver foil Download PDFInfo
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- CN114160578A CN114160578A CN202111312464.2A CN202111312464A CN114160578A CN 114160578 A CN114160578 A CN 114160578A CN 202111312464 A CN202111312464 A CN 202111312464A CN 114160578 A CN114160578 A CN 114160578A
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- silver foil
- rolling
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- silver
- manufacturing
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- 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
- B21B1/40—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 foils which present special problems, e.g. because of thinness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- 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
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
The utility model discloses a method for manufacturing a wide silver foil, which separates single rolling into two annealing and two rolling procedures in the silver foil manufacturing process, and compared with single processing, the method not only reduces the workload in each processing process, but also can effectively ensure the temperature of the silver foil through two annealing treatments, thereby ensuring that the silver foil is in a stable state in the rolling process and improving the processing high quality of the silver foil; in the two rolling processes, workers can conveniently adjust the rolling process according to the measurement result of the actual processing process, so that the quality of the silver foil is ensured; the method has the advantages of simple process, convenient operation, small silver foil thickness and the like.
Description
Technical Field
The utility model relates to the technical field of silver foil manufacturing processes, in particular to a method for manufacturing a wide-width silver foil.
Background
Pure silver is very ductile and its electrical and thermal conductivity is highest among all metals. Silver is commonly used to make extremely sensitive physical instrument components, various automation devices, rockets, submarines, computers, nuclear devices, and communication systems.
Because the price of silver is high, silver is generally processed into silver foil in order to reduce the use cost of silver, and the method for rolling the silver foil by using mechanical equipment in the prior art can only produce pure silver foil strips with the width of less than 160mm and the thickness of more than 50 um. The rolling process has more passes in each stage and more rolling times, so that the process is complicated; in addition, multiple times of anaerobic vacuum annealing are required, so that the width of the silver foil is limited, the thickness of the foil strip is thicker, the yield is low, the consumption of the foil material in unit area is high, the production cost is improved, and the industrial production application of the silver foil strip is limited.
Disclosure of Invention
Aiming at the defects of difficult processing and poor quality in the prior art, the utility model discloses a method for manufacturing a wide silver foil.
A method for manufacturing a wide-width silver foil comprises the following steps:
s1, cleaning the silver foil to be pressed;
s2, horizontally annealing the silver foil cleaned in the step S1 to a fully soft state;
s3, trimming the silver foil in the step S2 through a slitting machine; then rolling the silver foil by a rolling mill, wherein the thickness of the rolled silver foil is 6-8 mu m;
s4, cleaning the silver foil in the step S3, and then carrying out secondary annealing on the cleaned silver foil to a full soft state;
s5, performing secondary edge cutting on the silver foil in the step S4 through a slitting machine, and rolling the silver foil through a rolling mill, wherein the thickness of the rolled silver foil is 4-5 mu m;
s6, cleaning and carrying out anti-oxidation treatment on the silver foil in the step S5;
preferably, the annealing temperature in the step S2 is 300-600 ℃, and the annealing speed is 1-10 m/min; the secondary annealing temperature in the step S4 is 300-600 ℃, and the annealing speed is 1-20 m/min.
Preferably, in step S3, the silver foil has a pass processing rate of 10% to 15%, 2 to 3 rolling passes, a rolling speed of 10 to 50m/min, and a total pass processing rate of 30%.
Preferably, in step S5, the silver foil has a pass processing rate of 10% to 15%, 2 to 3 rolling passes, a rolling speed of 10 to 100m/min, and a total pass processing rate of 20% to 30%.
Compared with the prior art, the utility model has the following beneficial effects:
1. the single pressurization in the silver foil manufacturing process is divided into two annealing and two extrusion processes, compared with single processing, the workload in each processing process is reduced, and meanwhile, the temperature of the silver foil can be effectively ensured through two annealing treatments, so that the silver foil is in a stable state in the rolling process, and the processing quality of the silver foil is improved; and the two-time rolling can also facilitate the adjustment of workers according to the processing process, thereby ensuring the quality of the silver foil.
Secondly, the method can further reduce the thickness of the silver foil, the maximum thickness of the silver foil is 1-5 μm, so that the silver content in unit area is reduced, the use cost of the silver foil is further reduced, and the popularization and the application of the silver foil are facilitated.
Meanwhile, as silver is the best electric and thermal conductor in metal substances, the silver foil has an irreplaceable position in the scientific and technical fields with extremely high requirements on ductility, heat dissipation and electrical conductivity, such as the fields of electronics, IT, LED illumination, special cables, aerospace and the like, and has wide application prospect; meanwhile, the coating can be widely used in industries such as civil home decoration, artware and the like.
Drawings
FIG. 1 is a flow chart of the present invention;
Detailed Description
The utility model will be further illustrated by the following specific embodiments:
embodiment mode 1
The embodiment is taken as a basic embodiment of the utility model, and discloses a manufacturing method of an integrated iron-ring earphone, which specifically comprises the following steps:
s1, cleaning the silver foil to be pressed;
s2, horizontally annealing the silver foil cleaned in the step S1 to a fully soft state, wherein the annealing temperature is 300 ℃, and the annealing speed is 1 m/min;
s3, trimming the silver foil in the step S2 through a slitting machine; rolling the silver foil by a rolling mill, wherein the thickness of the rolled silver foil is 8 micrometers, the pass processing rate of the silver foil is 10%, the number of rolling passes is 2, the rolling speed is 10m/min, and the total pass processing rate is 30%;
s4, cleaning the silver foil in the step S3, and then carrying out secondary annealing on the cleaned silver foil to a full soft state; the secondary annealing temperature is 300 ℃, and the annealing speed is 1 m/min;
s5, performing secondary edge cutting on the silver foil in the step S4 through a slitting machine, and rolling the silver foil through a rolling mill, wherein the thickness of the rolled silver foil is 4 microns; wherein the pass processing rate of the silver foil is 10%, the number of rolling passes is 2, the rolling speed is 10m/min, and the total pass processing rate is 20%;
s6, cleaning and carrying out anti-oxidation treatment on the silver foil in the step S5;
embodiment mode 2
The embodiment is taken as a basic embodiment of the utility model, and discloses a manufacturing method of an integrated iron-ring earphone, which specifically comprises the following steps:
s1, cleaning the silver foil to be pressed;
s2, horizontally annealing the silver foil cleaned in the step S1 to a fully soft state, wherein the annealing temperature is 600 ℃, and the annealing speed is 10 m/min;
s3, trimming the silver foil in the step S2 through a slitting machine; rolling the silver foil by a rolling mill, wherein the thickness of the rolled silver foil is 8 micrometers, the pass processing rate of the silver foil is 15%, the number of rolling passes is 3, the rolling speed is 50m/min, and the total pass processing rate is 30%;
s4, cleaning the silver foil in the step S3, and then carrying out secondary annealing on the cleaned silver foil to a full soft state; the secondary annealing temperature is 600 ℃, and the annealing speed is 20 m/min;
s5, performing secondary edge cutting on the silver foil in the step S4 through a slitting machine, and rolling the silver foil through a rolling mill, wherein the thickness of the rolled silver foil is 5 microns; wherein the processing rate of the silver foil is 15%, the number of rolling passes is 3, the rolling speed is 100m/min, and the total processing rate is 30%;
s6, cleaning and carrying out anti-oxidation treatment on the silver foil in the step S5;
embodiment 3
The embodiment is taken as a basic embodiment of the utility model, and discloses a manufacturing method of an integrated iron-ring earphone, which specifically comprises the following steps:
s1, cleaning the silver foil to be pressed;
s2, horizontally annealing the silver foil cleaned in the step S1 to a fully soft state, wherein the annealing temperature is 450 ℃, and the annealing speed is 5 m/min;
s3, trimming the silver foil in the step S2 through a slitting machine; rolling the silver foil by a rolling mill, wherein the thickness of the rolled silver foil is 7 micrometers, the pass processing rate of the silver foil is 12%, the number of rolling passes is 2-one, the rolling speed is 35m/min, and the total pass processing rate is 30%;
s4, cleaning the silver foil in the step S3, and then carrying out secondary annealing on the cleaned silver foil to a full soft state; the secondary annealing temperature is 450 ℃, and the annealing speed is 10 m/min;
s5, performing secondary edge cutting on the silver foil in the step S4 through a slitting machine, and rolling the silver foil through a rolling mill, wherein the thickness of the rolled silver foil is 4 microns; wherein the pass processing rate of the silver foil is 12 percent, the rolling passes are 2, the rolling speed is 50m/min, and the total pass processing rate is 30 percent;
s6, cleaning and carrying out anti-oxidation treatment on the silver foil in the step S5;
the single pressurization in the silver foil manufacturing process is divided into two annealing and two extrusion processes, compared with single processing, the workload in each processing process is reduced, and meanwhile, the temperature of the silver foil can be effectively ensured through two annealing treatments, so that the silver foil is in a stable state in the rolling process, and the processing quality of the silver foil is improved; and the two-time rolling can also facilitate the adjustment of workers according to the processing process, thereby ensuring the quality of the silver foil.
Secondly, the method can further reduce the thickness of the silver foil, the maximum thickness of the silver foil is 1-5 μm, so that the silver content in unit area is reduced, the use cost of the silver foil is further reduced, and the popularization and the application of the silver foil are facilitated.
Meanwhile, as silver is the best electric and thermal conductor in metal substances, the silver foil has an irreplaceable position in the scientific and technical fields with extremely high requirements on ductility, heat dissipation and electrical conductivity, such as the fields of electronics, IT, LED illumination, special cables, aerospace and the like, and has wide application prospect; meanwhile, the coating can be widely used in industries such as civil home decoration, artware and the like.
Claims (4)
1. A method for manufacturing a wide-width silver foil comprises the following steps:
s1, cleaning the silver foil to be pressed;
s2, horizontally annealing the silver foil cleaned in the step S1 to a fully soft state;
s3, trimming the silver foil in the step S2 through a slitting machine; then rolling the silver foil by a rolling mill, wherein the thickness of the rolled silver foil is 6-8 mu m;
s4, cleaning the silver foil in the step S3, and then carrying out secondary annealing on the cleaned silver foil to a full soft state;
s5, performing secondary edge cutting on the silver foil in the step S4 through a slitting machine, and rolling the silver foil through a rolling mill, wherein the thickness of the rolled silver foil is 4-5 mu m;
s6, cleaning and carrying out anti-oxidation treatment on the silver foil in the step S5;
2. the method for manufacturing the wide-width silver foil according to claim 2, wherein the method comprises the following steps: the annealing temperature in the step S2 is 300-600 ℃, and the annealing speed is 1-10 m/min; the secondary annealing temperature in the step S4 is 300-600 ℃, and the annealing speed is 1-20 m/min.
3. The method for manufacturing the wide-width silver foil according to claim 2, wherein the method comprises the following steps: in the step S3, the pass processing rate of the silver foil is 10% -15%, the number of rolling passes is 2-3, the rolling speed is 10-50m/min, and the total pass processing rate is 30%.
4. The method for manufacturing the wide-width silver foil according to claim 2, wherein the method comprises the following steps: in the step S5, the pass processing rate of the silver foil is 10% -15%, the number of rolling passes is 2-3, the rolling speed is 10-100m/min, and the total pass processing rate is 20% -30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312464.2A CN114160578A (en) | 2021-11-08 | 2021-11-08 | Method for manufacturing wide-width silver foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111312464.2A CN114160578A (en) | 2021-11-08 | 2021-11-08 | Method for manufacturing wide-width silver foil |
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| Publication Number | Publication Date |
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| CN114160578A true CN114160578A (en) | 2022-03-11 |
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| CN202111312464.2A Pending CN114160578A (en) | 2021-11-08 | 2021-11-08 | Method for manufacturing wide-width silver foil |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60251261A (en) * | 1984-05-29 | 1985-12-11 | Mitsubishi Metal Corp | Manufacture of ultrathin silver foil without material quality variation with lapse of time |
| JPH05287472A (en) * | 1992-04-15 | 1993-11-02 | Nippon Foil Mfg Co Ltd | Manufacture of silver thin sheet |
| SI21916A (en) * | 2004-12-17 | 2006-06-30 | RUDOLF Rebeka, Univerza v Mariboru Fakulteta za strojnistvo Institut za tehnologijo materialov | Procedure for manufacturing silver ribbons |
| CN104722595A (en) * | 2015-03-23 | 2015-06-24 | 深圳市凯得利压铸制造有限公司 | Wide and ultrathin pure-silver foil strip and manufacturing method thereof |
| CN106216396A (en) * | 2016-08-04 | 2016-12-14 | 徐高磊 | A kind of production technology of double zero native silver |
-
2021
- 2021-11-08 CN CN202111312464.2A patent/CN114160578A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60251261A (en) * | 1984-05-29 | 1985-12-11 | Mitsubishi Metal Corp | Manufacture of ultrathin silver foil without material quality variation with lapse of time |
| JPH05287472A (en) * | 1992-04-15 | 1993-11-02 | Nippon Foil Mfg Co Ltd | Manufacture of silver thin sheet |
| SI21916A (en) * | 2004-12-17 | 2006-06-30 | RUDOLF Rebeka, Univerza v Mariboru Fakulteta za strojnistvo Institut za tehnologijo materialov | Procedure for manufacturing silver ribbons |
| CN104722595A (en) * | 2015-03-23 | 2015-06-24 | 深圳市凯得利压铸制造有限公司 | Wide and ultrathin pure-silver foil strip and manufacturing method thereof |
| CN106216396A (en) * | 2016-08-04 | 2016-12-14 | 徐高磊 | A kind of production technology of double zero native silver |
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