CN106756321A - A kind of aluminium alloy cast rod production technology - Google Patents
A kind of aluminium alloy cast rod production technology Download PDFInfo
- Publication number
- CN106756321A CN106756321A CN201611179493.5A CN201611179493A CN106756321A CN 106756321 A CN106756321 A CN 106756321A CN 201611179493 A CN201611179493 A CN 201611179493A CN 106756321 A CN106756321 A CN 106756321A
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- aluminium alloy
- cast rod
- alloy cast
- raw material
- furnace charge
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
A kind of aluminium alloy cast rod production technology disclosed by the invention, the aluminium alloy cast rod of its production, Mo is added during casting, Cr, Ti elements, and it is aided with B0, Mn, the synergy of the other elements such as Sb, rotten and refining effect can be played to aluminum alloy organization, so as to obtain the aluminium alloy cast rod that crystal grain is thinner and is more evenly distributed, simultaneously for the Mg caused in compensation fusion process loses, compensated in refining, aluminium alloy wheel hub is produced with the casting rod of present invention process production, the tensile strength of gained aluminium alloy wheel hub, yield strength and elongation percentage improve a lot, and with excellent impact flexibility and corrosion resistance, security is good, it is durable in use.
Description
Technical field
The present invention relates to a kind of aluminum alloy production process, particularly a kind of aluminium alloy cast rod production technology.
Background technology
Aluminium alloy is most widely used class non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
Widely applied in manufacture, ship and chemical industry.Industrial economy is developed rapidly, to the demand day of Welded structural member
Benefit increases, and the Research on Weldability for enabling aluminum alloy to also is goed deep into therewith.Current aluminium alloy is using most alloys.
Al-alloy products have a lot, wherein just include aluminium alloy wheel hub, wheel hub be running car system important component it
One, be it is a kind of require security personnel's part higher, its driving performance with vehicle, the comfortableness of seating and security are closely related, aluminium
Alloy wheel hub because having the advantages that attractive in appearance, lightweight, price is low, thermal diffusivity is good, be easy to shaping, damping performance it is good, it is and extensive
It is applied in current auto industry, but, the hardness of aluminium alloy wheel hub is small compared with steel wheel hub, and mechanical property is poorer than steel wheel hub, changes
One significant concern point of kind mechanical property is that the improvement of aluminum alloy materials.
The content of the invention
Regarding to the issue above, the invention discloses a kind of aluminium alloy cast rod production technology.
To solve above technical problem, the technical scheme that the present invention is provided is:
A kind of aluminium alloy cast rod production technology, it is characterised in that comprise the following steps：
(1) raw material is chosen：
Each raw material components include respectively in mass ratio in the aluminium alloy cast rod：Si0.45~0.79%, Mo0.05~0.11%,
Mg1.3~1.8%, Fe0.02~0.14%, Cr0.04~0.11%, Ti0.22~0.67%, B0.03~0.06%,
Mn0.06~0.15%, Sb0.06~0.15%, other metals and nonmetallic impurity element total amount are no more than 0.3%, remaining
It is Al；
Preferably, each raw material components include respectively in mass ratio in the aluminium alloy cast rod：Si0.55%, Mo0.1%,
Mg1.5%, Fe0.12%, Cr0.08%, Ti0.43%, B0.04%, Mn0.12%, Sb0.12%, other metals and nonmetallic
Impurity element total amount be no more than 0.3%, remaining is Al；
(2) aluminium alloy melt is prepared：
Smelting furnace is preheated, slow in 1 hour to be uniformly heating to 200 ~ 220 DEG C, and is incubated 5 hours, then adds above-mentioned raw materials
Enter smelting furnace, 700 ~ 750 DEG C were warming up in 1 ~ 2 hour, and be incubated, until raw material is completely melt；
（3）Refining：
After raw material is completely melt, then control melting furnace temperature carries out slagging-off work at 700 ~ 705 DEG C, and removal furnace charge surface is floated
Slag, and in 5 minutes, it is slowly stirred furnace charge 5 ~ 10 weeks, furnace charge interior section hydrogen is discharged, then pass through feeder equipment by spelter
Inside feeding furnace charge, 3 ~ 5 minutes after spelter melts completely, a small amount of MAG block is sent into inside furnace charge again, treat that MAG block melts completely
Change, then slow revolution, it is ensured that MAG block uniformly dispersing in furnace charge improves melting furnace temperature, and controls at 715 ~ 720 DEG C, plus
Enter refining agent, and be passed through argon gas, furnace charge is refined, time control finally carried out slagging-off work again at 10 ~ 18 minutes,
Removal furnace charge surface scum, completes refining；
（4）Stand：
Melting furnace temperature is improved to 730-745 DEG C, and is incubated, the molten aluminium alloy after refining is stood；
（5）Casting：Molten aluminium alloy after being processed through step (4) is carried out into shape casting by hot top formula casting machine, was cast
Cheng Zhong, casting speed control is controlled in 0.07~0.12MPa, the temperature of molten aluminium alloy in 80~85mm/min, water pressure of cooling water
Degree is maintained at 730~740 DEG C, and final casting obtains aluminium alloy cast rod finished product.
A kind of above-mentioned aluminium alloy cast rod production technology, wherein, the refining agent be manganese chloride or zinc chloride, its weight with
The percentage of raw material gross weight is 0.1 ~ 0.5%.
A kind of above-mentioned aluminium alloy cast rod production technology, wherein, step（3）Described in MAG block weight and raw material gross weight
The percentage of amount is 1 ~ 1.23%.
Beneficial effects of the present invention are：
A kind of aluminium alloy cast rod production technology disclosed by the invention, the aluminium alloy cast rod of its production is added during casting
Mo, Cr, Ti element, and it is aided with the synergy of the other elements such as B0, Mn, Sb, can play rotten and thin to aluminum alloy organization
Change is acted on, so that the aluminium alloy cast rod that crystal grain is thinner and is more evenly distributed is obtained, while being the Mg caused in compensation fusion process
Lose, compensated in refining, aluminium alloy wheel hub is produced with the casting rod of present invention process production, gained aluminium alloy wheel hub
Tensile strength, yield strength and elongation percentage improve a lot, and with excellent impact flexibility and corrosion resistance, security
It is good, it is durable in use.
Specific embodiment
Embodiment one
A kind of aluminium alloy cast rod production technology, it is characterised in that comprise the following steps：
(1) raw material is chosen：
Each raw material components include respectively in mass ratio in the aluminium alloy cast rod：Si0.55%, Mo0.1%, Mg1.5%,
Fe0.12%, Cr0.08%, Ti0.43%, B0.04%, Mn0.12%, Sb0.12%, other metals and nonmetallic impurity unit
Plain total amount is no more than 0.3%, and remaining is Al；
(2) aluminium alloy melt is prepared：
Smelting furnace is preheated, slow in 1 hour to be uniformly heating to 210 DEG C, and is incubated 5 hours, is then added above-mentioned raw materials molten
Furnace, was warming up to 720 DEG C in 1 hour, and was incubated, until raw material is completely melt；
（3）Refining：
After raw material is completely melt, then control melting furnace temperature carries out slagging-off work at 700 DEG C, removes furnace charge surface scum, and
In 5 minutes, furnace charge is slowly stirred 5 ~ 10 weeks, discharges furnace charge interior section hydrogen, then sent into spelter by feeder equipment
Inside furnace charge, 3 ~ 5 minutes after spelter melts completely, a small amount of MAG block is sent into inside furnace charge again, treat that MAG block melts completely, delay
Slow revolution, it is ensured that MAG block uniformly dispersing in furnace charge, then improves melting furnace temperature, and controls at 715 DEG C, adds refining agent,
And argon gas is passed through, and furnace charge is refined, time control finally carried out slagging-off work, removal furnace charge surface again at 15 minutes
Scum silica frost, completes refining；
（4）Stand：
Melting furnace temperature is improved to 735 DEG C, and is incubated, the molten aluminium alloy after refining is stood；
（5）Casting：Molten aluminium alloy after being processed through step (4) is carried out into shape casting by hot top formula casting machine, was cast
Cheng Zhong, casting speed control is controlled in 0.11MPa in 80mm/min, water pressure of cooling water, and the temperature of molten aluminium alloy is maintained at 732
DEG C, final casting obtains aluminium alloy cast rod finished product.
A kind of above-mentioned aluminium alloy cast rod production technology, wherein, the refining agent is manganese chloride, its weight and raw material gross weight
The percentage of amount is 0.15%.
A kind of above-mentioned aluminium alloy cast rod production technology, wherein, step（3）Described in MAG block weight and raw material gross weight
The percentage of amount is 1%.
Embodiment two
The present embodiment is that member in step (1), the choosing amount of raw material components Mg is reduced to 1.32% with the difference of embodiment one,
Step（3）Described in the weight of MAG block and the percentage of raw material gross weight be promoted to 1.13%.
Embodiment three
The present embodiment is that the refining agent is zinc chloride, its weight and raw material with the difference of embodiment one, embodiment two
The percentage of gross weight is 0.35%.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is defined.
Claims (4)
1. a kind of aluminium alloy cast rod production technology, it is characterised in that comprise the following steps：
(1) raw material is chosen：
Each raw material components include respectively in mass ratio in the aluminium alloy cast rod：Si0.45~0.79%, Mo0.05~0.11%,
Mg1.3~1.8%, Fe0.02~0.14%, Cr0.04~0.11%, Ti0.22~0.67%, B0.03~0.06%,
Mn0.06~0.15%, Sb0.06~0.15%, other metals and nonmetallic impurity element total amount are no more than 0.3%, remaining
It is Al；
(2) aluminium alloy melt is prepared：
Smelting furnace is preheated, slow in 1 hour to be uniformly heating to 200 ~ 220 DEG C, and is incubated 5 hours, then adds above-mentioned raw materials
Enter smelting furnace, 700 ~ 750 DEG C were warming up in 1 ~ 2 hour, and be incubated, until raw material is completely melt；
（3）Refining：
After raw material is completely melt, then control melting furnace temperature carries out slagging-off work at 700 ~ 705 DEG C, and removal furnace charge surface is floated
Slag, and in 5 minutes, it is slowly stirred furnace charge 5 ~ 10 weeks, furnace charge interior section hydrogen is discharged, then pass through feeder equipment by spelter
Inside feeding furnace charge, 3 ~ 5 minutes after spelter melts completely, a small amount of MAG block is sent into inside furnace charge again, treat that MAG block melts completely
Change, then slow revolution, it is ensured that MAG block uniformly dispersing in furnace charge improves melting furnace temperature, and controls at 715 ~ 720 DEG C, plus
Enter refining agent, and be passed through argon gas, furnace charge is refined, time control finally carried out slagging-off work again at 10 ~ 18 minutes,
Removal furnace charge surface scum, completes refining；
（4）Stand：
Melting furnace temperature is improved to 730-745 DEG C, and is incubated, the molten aluminium alloy after refining is stood；
（5）Casting：Molten aluminium alloy after being processed through step (4) is carried out into shape casting by hot top formula casting machine, was cast
Cheng Zhong, casting speed control is controlled in 0.07~0.12MPa, the temperature of molten aluminium alloy in 80~85mm/min, water pressure of cooling water
Degree is maintained at 730~740 DEG C, and final casting obtains aluminium alloy cast rod finished product.
2. a kind of aluminium alloy cast rod production technology as claimed in claim 1, it is characterised in that each original in the aluminium alloy cast rod
Material component includes respectively in mass ratio：Si0.55%, Mo0.1%, Mg1.5%, Fe0.12%, Cr0.08%, Ti0.43%,
B0.04%, Mn0.12%, Sb0.12%, other metals and nonmetallic impurity element total amount are no more than 0.3%, and remaining is Al.
3. a kind of aluminium alloy cast rod production technology as claimed in claim 1, it is characterised in that the refining agent be manganese chloride or
Zinc chloride, its weight is 0.1 ~ 0.5% with the percentage of raw material gross weight.
4. a kind of aluminium alloy cast rod production technology as claimed in claim 1, it is characterised in that step（3）Described in MAG block
The percentage of weight and raw material gross weight be 1 ~ 1.23%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179493.5A CN106756321A (en) | 2016-12-19 | 2016-12-19 | A kind of aluminium alloy cast rod production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179493.5A CN106756321A (en) | 2016-12-19 | 2016-12-19 | A kind of aluminium alloy cast rod production technology |
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| CN106756321A true CN106756321A (en) | 2017-05-31 |
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| CN201611179493.5A Pending CN106756321A (en) | 2016-12-19 | 2016-12-19 | A kind of aluminium alloy cast rod production technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502766A (en) * | 2017-07-21 | 2017-12-22 | 云南三元德隆铝业有限公司 | A kind of production method of heat-tinting electrophoretic coating aluminium alloy extrusions |
| CN110257675A (en) * | 2019-06-18 | 2019-09-20 | 东莞鸿图精密压铸有限公司 | A kind of high strength die-casting aluminum alloy and preparation method thereof |
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|---|---|---|---|---|
| JP2009024217A (en) * | 2007-07-19 | 2009-02-05 | Hitachi Metals Ltd | Aluminum die-casting alloy, cast compressor impeller made of the alloy, and manufacturing method of impeller |
| CN105483472A (en) * | 2015-12-18 | 2016-04-13 | 百色学院 | Aluminum alloy ingot for casting hubs and preparation method of aluminum alloy ingot |
| CN105483473A (en) * | 2015-12-18 | 2016-04-13 | 百色学院 | Aluminum alloy cast rod for casting hub and preparing method of aluminum alloy cast rod |
| CN105543591A (en) * | 2016-01-27 | 2016-05-04 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy cast rod used for hub and preparation method of aluminum alloy cast rod |
| CN105648288A (en) * | 2016-01-27 | 2016-06-08 | 广西平果铝合金精密铸件有限公司 | Special aluminum alloy casting rod for casting hub and preparation method thereof |
-
2016
- 2016-12-19 CN CN201611179493.5A patent/CN106756321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009024217A (en) * | 2007-07-19 | 2009-02-05 | Hitachi Metals Ltd | Aluminum die-casting alloy, cast compressor impeller made of the alloy, and manufacturing method of impeller |
| CN105483472A (en) * | 2015-12-18 | 2016-04-13 | 百色学院 | Aluminum alloy ingot for casting hubs and preparation method of aluminum alloy ingot |
| CN105483473A (en) * | 2015-12-18 | 2016-04-13 | 百色学院 | Aluminum alloy cast rod for casting hub and preparing method of aluminum alloy cast rod |
| CN105543591A (en) * | 2016-01-27 | 2016-05-04 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy cast rod used for hub and preparation method of aluminum alloy cast rod |
| CN105648288A (en) * | 2016-01-27 | 2016-06-08 | 广西平果铝合金精密铸件有限公司 | Special aluminum alloy casting rod for casting hub and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 唐代明: "《金属材料学》", 30 June 2014 * |
| 聂小武: "《实用有色合金铸造技术》", 31 January 2009 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502766A (en) * | 2017-07-21 | 2017-12-22 | 云南三元德隆铝业有限公司 | A kind of production method of heat-tinting electrophoretic coating aluminium alloy extrusions |
| CN110257675A (en) * | 2019-06-18 | 2019-09-20 | 东莞鸿图精密压铸有限公司 | A kind of high strength die-casting aluminum alloy and preparation method thereof |
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Application publication date: 20170531 |