CN107815560A - A kind of high quality alloy aluminium bar preparation technology - Google Patents
A kind of high quality alloy aluminium bar preparation technology Download PDFInfo
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- CN107815560A CN107815560A CN201710937593.8A CN201710937593A CN107815560A CN 107815560 A CN107815560 A CN 107815560A CN 201710937593 A CN201710937593 A CN 201710937593A CN 107815560 A CN107815560 A CN 107815560A
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- alloy aluminium
- aluminium bar
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- 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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- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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
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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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
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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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of high quality alloy aluminium bar preparation technology, mainly include the following steps that：（1）, weigh raw material：（1）, weigh needed for weight aluminium ingot and auxiliary material；（2）, furnace refining：The quantitative deslagging agent of addition, refining agent, coverture；（3）, crystal grain refinement：Add fining agent and complete crystal grain refinement processing；（4）, cast preheating：Drying chute used, filtration system etc. will be poured into a mould to be preheated；（5）, release and draw casting：Mold is injected, after cooling, obtains alloy aluminium bar；（6）, Homogenization Treatments：90min is incubated when alloy aluminium bar is heated into 560 DEG C, then rapid air-cooled and water cooling carries out Homogenization Treatments to less than 50 DEG C.Pass through the control to alloying elements such as magnesium, silicon, zinc, the quality of raising alloy aluminium bar；By adding alloying element strontium, the iron of acicular texture in aluminium liquid can be made to be changed into granular, the roughness of aluminium shape surface is reduced, improve mechanical performance, corrosion resistance.
Description
Technical field
The present invention relates to a kind of alloy preparation method, more particularly to a kind of high quality alloy aluminium bar preparation technology.
Background technology
Process to high speed, energy-conservation, serialization direction and develop with material, low temperature crushing failure at high speed technology is a kind of new aluminium profiles
Material extrusion forming technology, the max-flow that can reach during alloy aluminum crimp become the main target that speed is extrusion process, with
Improve enterprises production efficiency and economic benefit.Compared with common extrusion technique, low temperature crushing failure at high speed technology has the excellent of its protrusion
Point：Temperature is low during due to extruding, and preform heating time accordingly shortens, while rate of deformation is fast, and the blank deformation time is short, both saves
Energy consumption, production efficiency is substantially increased again, be a kind of very promising material processing method.With alloy aluminum application and aluminium section bar
The continuous development of industry, to produce more high-quality aluminium section bar, the physical features and chemical analysis of alloy aluminium bar are proposed more
High requirement, alloy aluminum quality problems are so as to increasingly attract attention.
The content of the invention
In order to overcome drawbacks described above, the invention provides a kind of high quality alloy aluminium bar preparation technology, to meet aluminium section bar
Demand of the industry to high-quality Al alloy material.
The present invention solves its technical problem, and used technical scheme is：A kind of high quality alloy aluminium bar preparation technology, bag
Include following steps：
(1) raw material, is weighed：The aluminium ingot and auxiliary material of weight needed for weighing, put into smelting furnace, be heated to 750 DEG C~
760 DEG C, 30-40min is incubated, after insulation terminates, surface scum is removed, obtains alloy aluminium liquid；
(2), furnace refining：Quantitative deslagging agent, refining agent, coverture are added into alloy aluminium liquid, alloy aluminium liquid is carried out
Furnace refining, refining time 20-30min；
(3), crystal grain refinement：Fining agent is added into alloy aluminium liquid and completes crystal grain refinement processing；
(4), cast preheating：Drying chute, filtration system and the shunting disk of pouring into a mould used are preheated；
(5), release and draw casting：Smelting furnace valve is opened, alloy aluminium liquid by drying chute, filtration system and is divided successively in stove
Flow table, mold is injected, after cooling, obtains alloy aluminium bar；
(6), Homogenization Treatments：90min is incubated when alloy aluminium bar is heated into 560 DEG C, then rapid air-cooled and water cooling is extremely
Less than 50 DEG C, Homogenization Treatments are carried out, obtain high quality alloy aluminium bar.
In a preferred embodiment of the present invention, aluminium and auxiliary material mainly include the silicon 0.03- of percentage by weight
0.05%th, magnesium 0.04-0.05%, iron 0.05-0.25%, zinc 0.02-0.05%, manganese 0.02-0.06%, copper 0.2-0.35%,
Nickel 0.15-0.25%, surplus are aluminium.
In a preferred embodiment of the present invention, the 0.002-0.005% of alloy aluminium liquid gross weight is added in step (1)
Strontium.
In a preferred embodiment of the present invention, cast temperature control is at 720-740 DEG C.
In a preferred embodiment of the present invention, deslagging agent, refining agent, coverture and fining agent are added using the mode of dusting
To smelting furnace.
In a preferred embodiment of the present invention, filtration system is that compound glass silk cloth or ceramic filter plate filter.
The beneficial effects of the invention are as follows：Pass through the control to alloying elements such as magnesium, silicon, zinc, the quality of raising alloy aluminium bar；
By adding alloying element strontium, the iron of acicular texture in aluminium liquid can be made to be changed into granular, reduce the roughness of aluminium shape surface,
Improve mechanical performance, corrosion resistance.By the preheating to casting system, it can prevent moisture from reflecting with aluminium liquid to cause to inhale hydrogen,
Reduce the casting flaws such as coarse grains, feather crystalline substance；By the Homogenization Treatments to aluminium bar, reducing the existing casting of intercrystalline should
Power, beneficial to the extrusion process of later stage aluminium section bar, improve production efficiency.Deslagging agent, refining agent, coverture and fining agent equal solvent are adopted
Added with the mode of dusting, solvent can be made fully to be contacted with aluminium liquid, solvent is played maximum performance, reduce the application of nitrogen, dropped
Low cost.
Embodiment
The present invention is further described with reference to embodiments, following examples are descriptive, are not limited
, it is impossible to protection scope of the present invention is limited with this.
Embodiment 1：A kind of high quality alloy aluminium bar preparation technology, comprises the following steps：
(1) raw material, is weighed：The aluminium ingot and auxiliary material of weight needed for weighing, put into smelting furnace, are heated to 750 DEG C, protect
Warm 40min, after insulation terminates, surface scum is removed, obtains alloy aluminium liquid；
(2), furnace refining：Quantitative deslagging agent, refining agent, coverture are added into alloy aluminium liquid, alloy aluminium liquid is carried out
Furnace refining, refining time 20min, deslagging agent, refining agent, coverture and fining agent are added to melting using mode of dusting
Stove；
(3), crystal grain refinement：Fining agent is added into alloy aluminium liquid and completes crystal grain refinement processing；
(4), cast preheating：Drying chute, filtration system and the shunting disk of pouring into a mould used are preheated, cast temperature control
System is at 720 DEG C；Filtration system is that compound glass silk cloth or ceramic filter plate filter；
(5), release and draw casting：Smelting furnace valve is opened, alloy aluminium liquid by drying chute, filtration system and is divided successively in stove
Flow table, mold is injected, after cooling, obtains alloy aluminium bar；
(6), Homogenization Treatments：90min is incubated when alloy aluminium bar is heated into 560 DEG C, then rapid air-cooled and water cooling is extremely
Less than 50 DEG C, Homogenization Treatments are carried out, obtain high quality alloy aluminium bar.
Aluminium and auxiliary material mainly the silicon 0.03% including percentage by weight, magnesium 0.04%, iron 0.05%, zinc 0.02%,
Manganese 0.02%, copper 0.2%, nickel 0.15%, surplus are aluminium.
0.002% strontium of alloy aluminium liquid gross weight is added in step (1).
Embodiment 2：
A kind of high quality alloy aluminium bar preparation technology, comprises the following steps：
(1) raw material, is weighed：The aluminium ingot and auxiliary material of weight needed for weighing, put into smelting furnace, are heated to 760 DEG C, protect
Warm 30min, after insulation terminates, surface scum is removed, obtains alloy aluminium liquid；
(2), furnace refining：Quantitative deslagging agent, refining agent, coverture are added into alloy aluminium liquid, alloy aluminium liquid is carried out
Furnace refining, refining time 30min, deslagging agent, refining agent, coverture and fining agent are added to melting using mode of dusting
Stove；
(3), crystal grain refinement：Fining agent is added into alloy aluminium liquid and completes crystal grain refinement processing；
(4), cast preheating：Drying chute, filtration system and the shunting disk of pouring into a mould used are preheated, cast temperature control
System is at 740 DEG C；Filtration system is that compound glass silk cloth or ceramic filter plate filter；
(5), release and draw casting：Smelting furnace valve is opened, alloy aluminium liquid by drying chute, filtration system and is divided successively in stove
Flow table, mold is injected, after cooling, obtains alloy aluminium bar；
(6), Homogenization Treatments：90min is incubated when alloy aluminium bar is heated into 560 DEG C, then rapid air-cooled and water cooling is extremely
Less than 50 DEG C, Homogenization Treatments are carried out, obtain high quality alloy aluminium bar.
Aluminium and auxiliary material mainly the silicon 0.05% including percentage by weight, magnesium 0.05%, iron 0.25%, zinc 0.05%,
Manganese 0.06%, copper 0.35%, nickel 0.25%, surplus are aluminium.
0.005% strontium of alloy aluminium liquid gross weight is added in step (1).
Embodiment 3：
A kind of high quality alloy aluminium bar preparation technology, comprises the following steps：
(1) raw material, is weighed：The aluminium ingot and auxiliary material of weight needed for weighing, put into smelting furnace, are heated to 755 DEG C, protect
Warm 35min, after insulation terminates, surface scum is removed, obtains alloy aluminium liquid；
(2), furnace refining：Quantitative deslagging agent, refining agent, coverture are added into alloy aluminium liquid, alloy aluminium liquid is carried out
Furnace refining, refining time 25min, deslagging agent, refining agent, coverture and fining agent are added to melting using mode of dusting
Stove；
(3), crystal grain refinement：Fining agent is added into alloy aluminium liquid and completes crystal grain refinement processing；
(4), cast preheating：Drying chute, filtration system and the shunting disk of pouring into a mould used are preheated, cast temperature control
System is at 730 DEG C；Filtration system is that compound glass silk cloth or ceramic filter plate filter；
(5), release and draw casting：Smelting furnace valve is opened, alloy aluminium liquid by drying chute, filtration system and is divided successively in stove
Flow table, mold is injected, after cooling, obtains alloy aluminium bar；
(6), Homogenization Treatments：90min is incubated when alloy aluminium bar is heated into 560 DEG C, then rapid air-cooled and water cooling is extremely
Less than 50 DEG C, Homogenization Treatments are carried out, obtain high quality alloy aluminium bar.
Aluminium and auxiliary material mainly the silicon 0.04% including percentage by weight, magnesium 0.04%, iron 0.15%, zinc 0.04%,
Manganese 0.04%, copper 0.3%, nickel 0.2%, surplus are aluminium.
0.003% strontium of alloy aluminium liquid gross weight is added in step (1).
It is emphasized that：Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention,
Every the equivalent structure or equivalent process transformation made by using the contents of the present specification, or directly or indirectly it is used in other phases
The technical field of pass, is included within the scope of the present invention.
Claims (6)
- A kind of 1. high quality alloy aluminium bar preparation technology, it is characterised in that：Specifically include following steps：（1）, weigh raw material：The aluminium ingot and auxiliary material of weight needed for weighing, put into smelting furnace, are heated to 750 DEG C~760 DEG C, 30-40min is incubated, after insulation terminates, surface scum is removed, obtains alloy aluminium liquid；（2）, furnace refining：Quantitative deslagging agent, refining agent, coverture are added into alloy aluminium liquid, alloy aluminium liquid is carried out in stove Refining, refining time 20-30min；（3）, crystal grain refinement：Fining agent is added into alloy aluminium liquid and completes crystal grain refinement processing；（4）, cast preheating：Drying chute, filtration system and the shunting disk of pouring into a mould used are preheated；（5）, release and draw casting：Smelting furnace valve is opened, alloy aluminium liquid is successively by drying chute, filtration system and shunting in stove Disk, mold is injected, after cooling, obtains alloy aluminium bar；（6）, Homogenization Treatments：90min is incubated when alloy aluminium bar is heated into 560 DEG C, then rapid air-cooled and water cooling is to 50 DEG C Hereinafter, Homogenization Treatments are carried out, obtain high quality alloy aluminium bar.
- A kind of 2. high quality alloy aluminium bar preparation technology according to claim 1, it is characterised in that：The aluminium and auxiliary material Main silicon 0.03-0.05%, magnesium 0.04-0.05%, iron 0.05-0.25%, zinc 0.02-0.05%, the manganese for including percentage by weight 0.02-0.06%, copper 0.2-0.35%, nickel 0.15-0.25%, surplus are aluminium.
- A kind of 3. high quality alloy aluminium bar preparation technology according to claim 1, it is characterised in that：The step（1）In plus Enter the 0.002-0.005% of alloy aluminium liquid gross weight strontium.
- A kind of 4. high quality alloy aluminium bar preparation technology according to claim 1, it is characterised in that：The step（4）In pour Temperature control is cast at 720-740 DEG C.
- A kind of 5. high quality alloy aluminium bar preparation technology according to claim 1, it is characterised in that：The step（2）In remove Slag agent, refining agent, coverture and fining agent are added to smelting furnace using mode of dusting.
- A kind of 6. high quality alloy aluminium bar preparation technology according to claim 1, it is characterised in that：The step（4）Middle mistake Filter system is that compound glass silk cloth or ceramic filter plate filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710937593.8A CN107815560A (en) | 2017-10-11 | 2017-10-11 | A kind of high quality alloy aluminium bar preparation technology |
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| CN201710937593.8A CN107815560A (en) | 2017-10-11 | 2017-10-11 | A kind of high quality alloy aluminium bar preparation technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355605A (en) * | 2018-12-10 | 2019-02-19 | 昆山市超群金属制品有限公司 | A kind of manufacturing method of aluminium bar homogenization |
| CN111151718A (en) * | 2020-01-19 | 2020-05-15 | 四川省犍为恒益铝业有限公司 | Casing casting forming method |
| CN111850234A (en) * | 2020-06-12 | 2020-10-30 | 江苏戴美特医疗科技有限公司 | High-yield and high-strength cold-drawn deoxidized aluminum bar and processing technology thereof |
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| US20060118282A1 (en) * | 2004-12-03 | 2006-06-08 | Baolute Ren | Heat exchanger tubing by continuous extrusion |
| CN1882407A (en) * | 2003-11-28 | 2006-12-20 | 爱尔康何纳吕公司 | Aluminium alloy strip for welding |
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| CN102925755A (en) * | 2011-08-09 | 2013-02-13 | 佛山市鸿金源铝业制品有限公司 | Smelting casting method for high speed railway locator aluminum material |
| CN105695779A (en) * | 2016-04-29 | 2016-06-22 | 永城金联星铝合金有限公司 | Preparation method of high-precision and high-cleanliness aluminum alloy rod |
| DE102016004216A1 (en) * | 2016-04-07 | 2016-09-29 | Daimler Ag | Aluminum alloy, in particular for a casting method, and method for producing a component from such an aluminum alloy |
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2017
- 2017-10-11 CN CN201710937593.8A patent/CN107815560A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3466170A (en) * | 1966-01-13 | 1969-09-09 | Metallgesellschaft Ag | Process for improving grain structure of aluminum silicon alloys |
| CN1882407A (en) * | 2003-11-28 | 2006-12-20 | 爱尔康何纳吕公司 | Aluminium alloy strip for welding |
| US20060118282A1 (en) * | 2004-12-03 | 2006-06-08 | Baolute Ren | Heat exchanger tubing by continuous extrusion |
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| CN105695779A (en) * | 2016-04-29 | 2016-06-22 | 永城金联星铝合金有限公司 | Preparation method of high-precision and high-cleanliness aluminum alloy rod |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109355605A (en) * | 2018-12-10 | 2019-02-19 | 昆山市超群金属制品有限公司 | A kind of manufacturing method of aluminium bar homogenization |
| CN111151718A (en) * | 2020-01-19 | 2020-05-15 | 四川省犍为恒益铝业有限公司 | Casing casting forming method |
| CN111850234A (en) * | 2020-06-12 | 2020-10-30 | 江苏戴美特医疗科技有限公司 | High-yield and high-strength cold-drawn deoxidized aluminum bar and processing technology thereof |
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