CN109207803A - Radiating fin aluminium alloy strips and its manufacturing method - Google Patents
Radiating fin aluminium alloy strips and its manufacturing method Download PDFInfo
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- CN109207803A CN109207803A CN201811259057.8A CN201811259057A CN109207803A CN 109207803 A CN109207803 A CN 109207803A CN 201811259057 A CN201811259057 A CN 201811259057A CN 109207803 A CN109207803 A CN 109207803A
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- aluminium alloy
- radiating fin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Conductive Materials (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
Radiating fin aluminium alloy strips and its manufacturing method, the present invention relates to the aluminium alloy strips and manufacturing method of a kind of power station cooling system radiating fin, it is easy to crack in order to solve the problems, such as existing power station air cooling system fin punching.Manufacturing method: one, be Si 0.15%~0.25% by the mass percent of element, Fe 0.3%~0.4%, Cu 0.01%~0.05%, Mn 0.01%~0.05%, Mg 0.01%~0.05%, Zn 0.005%~0.01%, Ti 0.02%~0.05% and surplus are that Al weighs raw material, and casting obtains aluminium alloy cast ingot；Two, ingot casting heating and thermal insulation；Three, slab hot-rolling；Four, cold rolling is carried out to rerolling quality；Five, it is aligned and is sheared.The present invention uses Al alloy, by designing the techniques such as hot rolling and cold rolling, solves the problems, such as the easily random punching cracking of existing fin aluminium alloy strips.
Description
Technical field
The present invention relates to the aluminium alloy strips and its manufacturing method of a kind of power station cooling system radiating fin.
Background technique
Recently as flourishing for electric system, the air cooling system 1050AH19 aluminum alloy strip of large-scale power station
Material production heat radiator fin demand is continuously increased.To reduce production cost, thickness of strip is constantly being thinned, is improving simultaneously
The flange height of fin.Material punching crack probability is caused to obviously increase in production process, it is therefore desirable to develop a kind of novel
Radiating fin aluminium alloy strips, to reduce punching crack probability in production process.
Summary of the invention
The purpose of the present invention is to solve the problems that existing power station air cooling system is easy to crack with fin punching, and mention
For a kind of power station air cooling system radiating fin aluminium alloy strips and its manufacturing method.
Radiating fin of the present invention is with aluminium alloy strips by the mass percent of element by Si0.15%~0.25%, Fe
0.3%~0.4%, Cu 0.01%~0.05%, Mn 0.01%~0.05%, Mg0.01%~0.05%, Zn0.005%~
0.01%, Ti0.02%~0.05% and the Al of surplus composition.
Contain inevitable impurity in radiating fin aluminium alloy strips of the present invention.
Radiating fin of the present invention mentions high Si content with aluminium alloy strips, improves material flowability, to be conducive to radiating fin
The deep-draw of piece.
The manufacturing method of radiating fin of the present invention aluminium alloy strips follows these steps to realize:
One, by the mass percent of element be Si 0.15%~0.25%, Fe 0.3%~0.4%, Cu 0.01%~
0.05%, Mn0.01%~0.05%, Mg0.01%~0.05%, Zn0.005%~0.01%, Ti 0.02%~0.05%
Proportion preparation melting raw material with surplus is Al, carries out melting to melting raw material, obtains aluminium alloy solution, then casting obtains thickness
Degree is 615~625mm aluminium alloy cast ingot；
Two, heat: aluminium alloy cast ingot is put into heating furnace, and 580~600 DEG C are heated in 5~7h, then with
460~500 DEG C of furnace temperature keeps the temperature 2h~3h, aluminium alloy cast ingot after taking-up is heated；
Three, hot rolling: the aluminium alloy cast ingot after heating is hot-rolled down to a thickness of 3~5mm, finishing temperature 320~350 is controlled
DEG C, obtain rerolling quality；
Four, cold rolling: rerolling quality is subjected to cold rolling, continuous rolling, control cold rolling finishing temperature is 100~130
DEG C, general working rate is controlled 90%~93%, obtains finished product band；
Five, aligning and shearing process: finished product band is aligned through stretch bending-straightening machine, and radiating fin aluminium alloy is obtained after shearing
Band.
Radiating fin aluminium alloy strips of the present invention and its manufacturing method include it is following the utility model has the advantages that
1, the Al alloy that uses of the present invention, it is optimization hot rolling finishing temperature, cold by techniques such as design hot rolling, cold rolling, finishing
General working rate, cold rolling finishing temperature are rolled, each link parameter is produced for control and accurately provides guarantee, in large-scale industrial production
Realize stable product quality, production control difficulty is lower, meets punching requirement.
2, random punching cracking in use process is solved the problems, such as；Air cooling system wing in power station produced by the present invention
The tensile strength of the aluminium alloy strips of piece is 160~165N/mm2, yield strength is 133~137N/mm2, elongation percentage be 4~
7.6%, meeting design requirement tensile strength is 160~190N/mm2, yield strength is 130~170N/mm2, elongation percentage be >=
2%, solve the problems, such as the random punching cracking of the aluminium alloy strips of the power station air cooling system fin of existing method preparation.
Specific embodiment
Specific embodiment 1: radiating fin of the present invention presses the mass percent of element by Si0.15% with aluminium alloy strips
~0.25%, Fe 0.3%~0.4%, Cu 0.01%~0.05%, Mn 0.01%~0.05%, Mg0.01%~
0.05%, the Al composition of Zn0.005%~0.01%, Ti 0.02%~0.05% and surplus.
Contain inevitable impurity in radiating fin aluminium alloy strips of the present invention.
Specific embodiment 2: the manufacturing method of present embodiment radiating fin aluminium alloy strips follows these steps reality
It applies:
One, by the mass percent of element be Si 0.15%~0.25%, Fe 0.3%~0.4%, Cu 0.01%~
0.05%, Mn0.01%~0.05%, Mg0.01%~0.05%, Zn0.005%~0.01%, Ti 0.02%~0.05%
Proportion preparation melting raw material with surplus is Al, carries out melting to melting raw material, obtains aluminium alloy solution, then casting obtains thickness
Degree is 615~625mm aluminium alloy cast ingot；
Two, heat: aluminium alloy cast ingot is put into heating furnace, and 580~600 DEG C are heated in 5~7h, then with
460~500 DEG C of furnace temperature keeps the temperature 2h~3h, aluminium alloy cast ingot after taking-up is heated；
Three, hot rolling: the aluminium alloy cast ingot after heating is hot-rolled down to a thickness of 3~5mm, finishing temperature 320~350 is controlled
DEG C, obtain rerolling quality；
Four, cold rolling: rerolling quality is subjected to cold rolling, continuous rolling, control cold rolling finishing temperature is 100~130
DEG C, general working rate is controlled 90%~93%, obtains finished product band；
Five, aligning and shearing process: finished product band is aligned through stretch bending-straightening machine, and radiating fin aluminium alloy is obtained after shearing
Band.
Present embodiment step 4 optimizes cold rolling technique for continuous rolling, and band finished product temperature is higher, and intensity is declined slightly,
The problem of improving plasticity, achieving the purpose that improve toughness of material, and then improve random punching cracking.
Specific embodiment 3: present embodiment presses the quality hundred of element from step 1 unlike specific embodiment two
Score be Si 0.18%~0.22%, Fe 0.3%~0.35%, Cu 0.03%~0.05%, Mn 0.03%~0.05%,
The proportion that Mg0.03%~0.05%, Zn0.005%~0.008%, Ti 0.04%~0.05% and surplus are Al prepares melting
Raw material.
Specific embodiment 4: present embodiment presses the quality hundred of element from step 1 unlike specific embodiment three
Score is Si 0.21%, Fe 0.3%, Cu0.05%, Mn0.05%, Mg0.05%, Zn0.005%, Ti0.05% and surplus
Prepare melting raw material for the proportion of Al.
Specific embodiment 5: step 1 unlike one of present embodiment and specific embodiment two to four is cast
To with a thickness of 620mm aluminium alloy cast ingot.
Specific embodiment 6: step 2 is in 6.5h unlike one of present embodiment and specific embodiment two to five
It is interior that furnace temperature in heating furnace is warming up to 580~600 DEG C.
Specific embodiment 7: step 2 is unlike one of present embodiment and specific embodiment two to six with 480
DEG C furnace temperature keep the temperature 2h.
Specific embodiment 8: step 3 control unlike one of present embodiment and specific embodiment two to seven is eventually
Rolling temperature is 340~350 DEG C.
Specific embodiment 9: step 4 control is cold unlike one of present embodiment and specific embodiment two to eight
Rolling finishing temperature is 110~120 DEG C.
Specific embodiment 10: step 4 completed belt unlike one of present embodiment and specific embodiment two to nine
Material with a thickness of 0.2~0.4mm.
Embodiment one: the manufacturing method of the present embodiment radiating fin aluminium alloy strips follows these steps to implement:
It one, is Si 0.20%, Fe 0.35%, Cu 0.05%, Mn 0.05%, Mg by the mass percent of element
0.05%, Zn 0.005%, Ti 0.05%, the proportion that surplus is Al prepare melting raw material, are melted by the melting raw material of preparation
Refining, obtains aluminium alloy solution, and then casting obtains with a thickness of 620mm aluminium alloy cast ingot；
Two, it heats: aluminium alloy cast ingot being put into heating furnace, 580 DEG C are warming up in 6.5h, then with 480 DEG C of furnace
Temperature heat preservation 2h, aluminium alloy cast ingot after taking-up is heated；
Three, hot rolling: the aluminium alloy cast ingot after heating is hot-rolled down to a thickness of 4.0mm, 340 DEG C of finishing temperature is controlled, obtains
Rerolling quality；
Four, cold rolling: carrying out cold rolling mill, continuous rolling for rerolling quality, and control cold rolling finishing temperature is 110 DEG C,
General working rate is controlled 90%, obtains 0.3mm thickness finished product band；
Five, aligning and shearing process: finished product band is aligned through stretch bending-straightening machine, and radiating fin aluminium alloy is obtained after shearing
Band.
The aluminium alloy strips tensile strength that the present embodiment manufactures is 160-161MPa, yield strength 133-
135Mpa, elongation percentage 4.0-6.4%.
Embodiment two: the manufacturing method of the present embodiment radiating fin aluminium alloy strips follows these steps to implement:
It one, is Si 0.21%, Fe 0.30%, Cu 0.05%, Mn 0.05%, Mg by the mass percent of element
0.05%, Zn 0.005%, Ti 0.05%, the proportion that surplus is Al prepare melting raw material, are melted by the melting raw material of preparation
Refining, obtains aluminium alloy solution, and then casting obtains with a thickness of 620mm aluminium alloy cast ingot；
Two, it heats: aluminium alloy cast ingot being put into heating furnace in 6.5h and is warming up to 580 DEG C, then with 480 DEG C of furnace temperature
Keep the temperature 2h, aluminium alloy cast ingot after taking-up is heated；
Three, hot rolling: the aluminium alloy cast ingot after heating is hot-rolled down to a thickness of 4.0mm, 350 DEG C of finishing temperature is controlled, obtains
Rerolling quality；
Four, cold rolling: carrying out cold rolling mill, continuous rolling for rerolling quality, and control cold rolling finishing temperature is 120 DEG C,
General working rate is controlled 93%, obtains 0.3mm thickness finished product band；
Five, aligning and shearing process: finished product band is aligned through stretch bending-straightening machine, and radiating fin aluminium alloy is obtained after shearing
Band.
The aluminium alloy strips tensile strength that the present embodiment manufactures is 163-164MPa, yield strength 134-
142Mpa, elongation percentage 6.0-7.6%.
Claims (10)
1. radiating fin aluminium alloy strips, it is characterised in that the radiating fin presses the mass percent of element with aluminium alloy strips
By Si0.15%~0.25%, Fe 0.3%~0.4%, Cu 0.01%~0.05%, Mn 0.01%~0.05%,
Mg0.01%~0.05%, Zn0.005%~0.01%, Ti 0.02%~0.05% and surplus Al composition.
2. the manufacturing method of radiating fin aluminium alloy strips, it is characterised in that the manufacturing method is to follow these steps to realize:
One, by the mass percent of element be Si 0.15%~0.25%, Fe 0.3%~0.4%, Cu 0.01%~
0.05%, Mn 0.01%~0.05%, Mg0.01%~0.05%, Zn0.005%~0.01%, Ti 0.02%~0.05%
Proportion preparation melting raw material with surplus is Al, carries out melting to melting raw material, obtains aluminium alloy solution, then casting obtains thickness
Degree is 615~625mm aluminium alloy cast ingot；
Two, heat: aluminium alloy cast ingot is put into heating furnace, and 580~600 DEG C are heated in 5~7h, then with 460~
500 DEG C of furnace temperature keeps the temperature 2h~3h, aluminium alloy cast ingot after taking-up is heated；
Three, hot rolling: the aluminium alloy cast ingot after heating is hot-rolled down to a thickness of 3~5mm, 320~350 DEG C of finishing temperature is controlled, obtains
To rerolling quality；
Four, cold rolling: rerolling quality is subjected to cold rolling, continuous rolling, control cold rolling finishing temperature is 100~130 DEG C, always
Working modulus is controlled 90%~93%, obtains finished product band；
Five, aligning and shearing process: finished product band is aligned through stretch bending-straightening machine, and radiating fin aluminum alloy strip is obtained after shearing
Material.
3. the manufacturing method of radiating fin aluminium alloy strips according to claim 2, it is characterised in that step 1 is by member
The mass percent of element is Si 0.18%~0.22%, Fe 0.3%~0.35%, Cu 0.03%~0.05%, Mn
0.03%~0.05%, Mg0.03%~0.05%, Zn0.005%~0.008%, Ti 0.04%~0.05% and surplus are
The proportion of Al prepares melting raw material.
4. the manufacturing method of radiating fin aluminium alloy strips according to claim 3, it is characterised in that step 1 is by member
Element mass percent be Si 0.21%, Fe 0.3%, Cu0.05%, Mn0.05%, Mg0.05%, Zn0.005%,
The proportion that Ti0.05% and surplus are Al prepares melting raw material.
5. the manufacturing method of radiating fin aluminium alloy strips according to claim 2, it is characterised in that step 1 casting
It obtains with a thickness of 620mm aluminium alloy cast ingot.
6. the manufacturing method of radiating fin aluminium alloy strips according to claim 2, it is characterised in that step 2 exists
Furnace temperature in heating furnace is warming up to 580~600 DEG C in 6.5h.
7. the manufacturing method of radiating fin aluminium alloy strips according to claim 2, it is characterised in that step 2 is with 480
DEG C furnace temperature keep the temperature 2h.
8. the manufacturing method of radiating fin aluminium alloy strips according to claim 2, it is characterised in that step 3 control
Finishing temperature is 340~350 DEG C.
9. the manufacturing method of radiating fin aluminium alloy strips according to claim 2, it is characterised in that step 4 control
Cold rolling finishing temperature is 110~120 DEG C.
10. the manufacturing method of radiating fin aluminium alloy strips according to claim 2, it is characterised in that step 4 finished product
Band with a thickness of 0.2~0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259057.8A CN109207803A (en) | 2018-10-26 | 2018-10-26 | Radiating fin aluminium alloy strips and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259057.8A CN109207803A (en) | 2018-10-26 | 2018-10-26 | Radiating fin aluminium alloy strips and its manufacturing method |
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| CN109207803A true CN109207803A (en) | 2019-01-15 |
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| CN201811259057.8A Pending CN109207803A (en) | 2018-10-26 | 2018-10-26 | Radiating fin aluminium alloy strips and its manufacturing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030121572A1 (en) * | 2000-11-16 | 2003-07-03 | Jean-Claude Kucza | Aluminum alloy strip manufacturing process for the manufacture of brazed heat exchangers |
| CN101774126A (en) * | 2009-12-29 | 2010-07-14 | 江苏常铝铝业股份有限公司 | Manufacturing method of aluminium alloy compound plate and strip for power station air cooling island and product thereof |
| CN103014426A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1050-H14 aluminum alloy plate strip and production method thereof |
| CN103014425A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1050-H16 aluminum alloy plate strip and production method thereof |
| CN103060621A (en) * | 2012-12-27 | 2013-04-24 | 亚洲铝业（中国）有限公司 | 1100-H16 aluminum alloy plate/strip and production method thereof |
| EP3026134A1 (en) * | 2014-11-27 | 2016-06-01 | Hydro Aluminium Rolled Products GmbH | Heat exchanger, use of an aluminium alloy and an aluminium tape and method for producing an aluminium tape |
-
2018
- 2018-10-26 CN CN201811259057.8A patent/CN109207803A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030121572A1 (en) * | 2000-11-16 | 2003-07-03 | Jean-Claude Kucza | Aluminum alloy strip manufacturing process for the manufacture of brazed heat exchangers |
| CN101774126A (en) * | 2009-12-29 | 2010-07-14 | 江苏常铝铝业股份有限公司 | Manufacturing method of aluminium alloy compound plate and strip for power station air cooling island and product thereof |
| CN103014426A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1050-H14 aluminum alloy plate strip and production method thereof |
| CN103014425A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | 1050-H16 aluminum alloy plate strip and production method thereof |
| CN103060621A (en) * | 2012-12-27 | 2013-04-24 | 亚洲铝业（中国）有限公司 | 1100-H16 aluminum alloy plate/strip and production method thereof |
| EP3026134A1 (en) * | 2014-11-27 | 2016-06-01 | Hydro Aluminium Rolled Products GmbH | Heat exchanger, use of an aluminium alloy and an aluminium tape and method for producing an aluminium tape |
Non-Patent Citations (1)
| Title |
|---|
| 潘文举: "《绿色铝》", 31 August 2012, 中南大学出版社 * |
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Application publication date: 20190115 |