CN106191566A - A kind of pack alloy - Google Patents
A kind of pack alloy Download PDFInfo
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- CN106191566A CN106191566A CN201610778808.1A CN201610778808A CN106191566A CN 106191566 A CN106191566 A CN 106191566A CN 201610778808 A CN201610778808 A CN 201610778808A CN 106191566 A CN106191566 A CN 106191566A
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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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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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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Abstract
A kind of pack alloy, by weight percentage, containing following composition: Si:9.5 11.0%；Cu:0.05 0.08%；Mg:3.3 3.5%；Mn:0.3 0.5%；Zn:0.1 0.2%；Fe:2.8 3.0%；Pb:0 0.03%；Ti:0.03 0.18%；Ni:0 0.03%；Cr:0 0.05%；Sn:0 0.03%；And the Al of its surplus；Al is main body, and remaining composition constitutes additive.It is prepared from by step A P.It is functional that this pack alloy has anodic oxidation, corrosion resistant feature.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, particularly relate to a kind of pack alloy.
Background technology
Aluminium alloy is one of very important raw material of industrial circle, modern society, and pack alloy part is widely used in respectively
The each industry of row.Aluminium alloy compression casting series products is mainly used in electronics, automobile, motor, household electrical appliances and some communications industrys etc..
Pack alloy has that die casting scope is wide, pressur casting size precision high, and surface roughness is low, production efficiency is high, golden
Belong to utilization rate height, casting strength and case hardness high.But, there is anodic oxidation in pack alloy of the prior art
The defect such as poor performance, corrosion-resistant.
Therefore, not enough for prior art, it is provided that a kind of anodic oxidation is functional, the pack alloy of good corrosion resistance
To overcome prior art deficiency the most necessary.
Summary of the invention
Thering is provided a kind of pack alloy in place of it is an object of the invention to avoid the deficiencies in the prior art, this die casting aluminium closes
Gold utensil has anodic oxidation functional, corrosion resistant feature.
The above-mentioned purpose of the present invention is realized by following technological means.
There is provided a kind of pack alloy, by weight percentage, containing following composition:
Si:9.5-11.0%；
Cu:0.05-0.08%；
Mg:3.3-3.5%；
Mn:0.3-0.5%；
Zn:0.1-0.2%；
Fe:2.8-3.0%；
Pb:0-0.03%；
Ti:0.03-0.18%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus；
Al is main body, and remaining composition constitutes additive；
This pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into fine aluminium when 300-500 degree Celsius
Raw material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 650-750 degree Celsius and be incubated 20-at this temperature
40 minutes；
C. after insulation, adding part additive in 10-15 minute, the additive added accounts for overall additive ratio
The 25%-45% of example；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid；
The detailed process of stirring is for the first time: first stir 20-30 minute with the clockwise direction of stirring paddle 5-10rd/h, then
Stop stirring 10-15 minute, stir counterclockwise 20-30 minute with the speed of stirring paddle 5-10rd/h the most again, then stop stirring
3-10 minute；Stir 10-15 minute along counterclockwise with the speed of stirring paddle 20-30rd/h again, then stop stirring 10-15 minute,
10-15 minute is stirred the most again with the clockwise direction of stirring paddle 20-30rd/h；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 620-670 degree Celsius, by stirring slag making aluminum ash picker out
Outside coming out of the stove；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 700-800 degree Celsius and to be incubated 8-10 little
Time；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 630-650
Degree Celsius；
H. keep under conditions of the temperature of initial alloy liquid is 700-740 degree Celsius in low stove, to low in 6-10 minute
The additive of the 45%-60% accounting for overall additive ratio is added in stove；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid；
The detailed process of second time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 20-30rd/h,
Stop stirring 50-90 minute again, stir counterclockwise 10-15 minute with the speed of stirring paddle 20-30rd/h the most again, then stop stirring
Mix 50-90 minute；Stir 25-30 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 30-50 divides
Clock, stirs 30-50 minute with the clockwise direction of stirring paddle 10-20rd/h the most again；
J. secondary alloy liquid is heated to 780-920 degree Celsius, and is incubated 90-150 minute；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 30-40rd/h,
Stop stirring 20-30 minute again, stir counterclockwise 10-20 minute with the speed of stirring paddle 30-40rd/h the most again, then stop stirring
Mix 20-30 minute；Stir 5-10 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 10-20 divides
Clock, stirs 5-10 minute with the clockwise direction of stirring paddle 10-20rd/h the most again；
M. entire alloy liquid it is heated to 800-950 degree Celsius and is incubated 20-30 minute；Again by complete in 10-20 minute
Whole aluminium alloy is cooled to 700-750 degree Celsius and is incubated 20-30 minute；In 5-10 minute, entire alloy liquid is warming up to again
780-850 degree Celsius and be incubated 10-20 minute；In 5-10 minute, entire alloy liquid is heated to 960-980 degree Celsius also again
It is incubated 10-15 minute；In 5-10 minute, entire alloy liquid it is cooled to 850-950 degree Celsius again and is incubated 60-90 minute；
N., in 20-30 minute, entire alloy liquid is cooled to 700-750 degree Celsius and keeps 20-30 minute；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag；
The most by weight percentage, refining agent is added by the amount of the 0.4%-0.5% accounting for aluminium alloy amount with the content of refining agent
Enter in automatic powder blower；Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 200-simultaneously
The downward stove of dusting speed of 250Kg.s sprays into refining agent；
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 640-680 degree Celsius
In type grinding tool, cooling molding, obtains finished product pack alloy ingot.
Preferably, above-mentioned pack alloy, by weight percentage, containing following composition:
Si:10-10.5%；
Cu:0.06-0.08%；
Mg:3.4-3.5%；
Mn:0.35-0.45%；
Zn:0.12-0.16%；
Fe:2.85-2.95%；
Pb:0-0.02%；
Ti:0.06-0.18%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus.
Another is preferred, above-mentioned pack alloy, by weight percentage, containing following composition:
Si:9.8-10.5%；
Cu:0.06-0.07%；
Mg:3.35-3.4%；
Mn:0.35-0.46%；
Zn:0.12-0.18%；
Fe:2.95-3.0%；
Pb:0-0.03%；
Ti:0.07-0.15%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus；
Al is main body, and remaining composition constitutes additive.
Preferably, above-mentioned pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, to be initially added into fine aluminium when 350-450 degree Celsius former for furnace temperature
Material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 680-720 degree Celsius and be incubated 25-30 at this temperature
Minute；
C. after insulation, adding part additive in 12-14 minute, the additive added accounts for overall additive ratio
The 30%-40% of example；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid；
The detailed process of stirring is for the first time: first stir 23-27 minute with the clockwise direction of stirring paddle 6-8rd/h, then
Stop stirring 12-14 minute, stir counterclockwise 12-14 minute with the speed of stirring paddle 6.5-8.5rd/h the most again, then stop stirring
Mix 5-8 minute；Stir 12-14 minute along counterclockwise with the speed of stirring paddle 23-27rd/h again, then stop stirring 13-14 minute,
12-13.5 minute is stirred the most again with the clockwise direction of stirring paddle 23-28rd/h；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640-650 degree Celsius, by stirring slag making aluminum ash picker out
Outside coming out of the stove；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 720-780 degree Celsius and is incubated 8.5-9.5
Hour；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 635-640
Degree Celsius；
H. keep under conditions of the temperature of initial alloy liquid is 720-730 degree Celsius in low stove, to low in 6-10 minute
The additive of the 50%-55% accounting for overall additive ratio is added in stove；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid；
The detailed process of second time stirring is: first stir 12-18 minute with the clockwise direction of stirring paddle 23-26rd/h,
Stop stirring 60-80 minute again, stir counterclockwise 12-14 minute with the speed of stirring paddle 23-27rd/h the most again, then stop stirring
Mix 60-80 minute；Stir 25-30 minute along counterclockwise with the speed of stirring paddle 12-17rd/h again, then stopping stirring 35-45 divides
Clock, stirs 35-45 minute with the clockwise direction of stirring paddle 12-18rd/h the most again；
J. secondary alloy liquid is heated to 790-900 degree Celsius, and is incubated 100-120 minute；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 12-16 minute with the clockwise direction of stirring paddle 33-38rd/h,
Stop stirring 22-27 minute again, stir counterclockwise 12-16 minute with the speed of stirring paddle 33-38rd/h the most again, then stop stirring
Mix 23-27 minute；Stir 6-8 minute along counterclockwise with the speed of stirring paddle 12-18rd/h again, then stop stirring 12-17 minute,
6-8 minute is stirred the most again with the clockwise direction of stirring paddle 13-16rd/h；
M. entire alloy liquid it is heated to 850-900 degree Celsius and is incubated 22-27 minute；Again by complete in 12-16 minute
Whole aluminium alloy is cooled to 720-730 degree Celsius and is incubated 22-27 minute；In 6-8 minute, entire alloy liquid is warming up to again
800-820 degree Celsius and be incubated 12-16 minute；In 6-9 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and protects
Temperature 12-14 minute；In 6-8 minute, entire alloy liquid it is cooled to 900-930 degree Celsius again and is incubated 70-80 minute；
N., in 23-28 minute, entire alloy liquid is cooled to 720-740 degree Celsius and keeps 21-29 minute；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag；
The most by weight percentage, the amount of 0.42%-0.45% of aluminium alloy amount is accounted for the content of refining agent by refining agent
Add in automatic powder blower；Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 220-simultaneously
240Kg.s the downward stove of dusting speed in spray into refining agent；
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 650-660 degree Celsius
In type grinding tool, cooling molding, obtains finished product pack alloy ingot.
Preferably, above-mentioned pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature is initially added into fine aluminium raw material when 380 degrees Celsius, rises
Furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 700 degrees Celsius and be incubated 26 minutes at this temperature；
C. after insulation, adding part additive in 12.5 minutes, the additive added accounts for overall additive ratio
The 35% of example；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid；
The detailed process of stirring is for the first time: first stirs 25 minutes with the clockwise direction of stirring paddle 6.5rd/h, then stops
Stir 12.5 minutes, stir counterclockwise 12.5 minutes with the speed of stirring paddle 7.0rd/h the most again, then stop stirring 5.8 minutes；
Stir 12.5 minutes along counterclockwise with the speed of stirring paddle 24rd/h again, then stop stirring 13.5 minutes, the most again with stirring paddle
The clockwise direction of 25rd/h stirs 12.5 minutes；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 645 degrees Celsius, stirring slag making aluminum ash picker out is come out of the stove
Outward；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 740 degrees Celsius and is incubated 8.8 hours；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 638 Celsius
Degree；
H. keep under conditions of the temperature of initial alloy liquid is 723 degrees Celsius in low stove, adding in low stove in 6.8 minutes
Enter the additive of account for overall additive ratio 52%；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid；
The detailed process of second time stirring is: first stirs 14 minutes with the clockwise direction of stirring paddle 24rd/h, then stops
Stir 65 minutes, stir counterclockwise 12.5 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 68 minutes；Again with
The speed of stirring paddle 13.5rd/h is along stirring 28 minutes counterclockwise, then stops stirring 40 minutes, the most again with stirring paddle 15rd/h
Clockwise direction stir 39 minutes；
J. secondary alloy liquid is heated to 820 degrees Celsius, and is incubated 110 minutes；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 13 minutes with the clockwise direction of stirring paddle 35rd/h, then stops
Stir 24 minutes, stir counterclockwise 13 minutes with the speed of stirring paddle 35rd/h the most again, then stop stirring 24 minutes；Again to stir
The speed mixing oar 13rd/h stirs 6.8 minutes along counterclockwise, then stops stirring 13 minutes, the most again with the speed of stirring paddle 14rd/h
Degree stirring 6.5 minutes clockwise；
M. entire alloy liquid is heated to 880 degrees Celsius and is incubated 24 minutes；In 13 minutes, entire alloy liquid is dropped again
Temperature is to 723 degrees Celsius and is incubated 23 minutes；In 6.8 minutes, entire alloy liquid is warming up to 810 degrees Celsius again and is incubated 13 points
Clock；In 7 minutes, entire alloy liquid is heated to 970 degrees Celsius again and is incubated 12.5 minutes；To completely close in 6.5 minutes again
Gold liquid is cooled to 920 degrees Celsius and is incubated 73 minutes；
N., in 25 minutes, entire alloy liquid is cooled to 726 degrees Celsius and keeps 23 minutes；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag；
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.43% amount refining agent is added automatically
In duster；Stove is passed through downwards the nitrogen that pressure is 0.22MPa, simultaneously automatic powder blower with the dusting speed of 230Kg.s to
Lower stove sprays into refining agent；
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 655 degrees Celsius and grinds
In tool, cooling molding, obtains finished product pack alloy ingot.
Another is preferred, and above-mentioned pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature is initially added into fine aluminium raw material when 420 degrees Celsius, rises
Furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 710 degrees Celsius and be incubated 28 minutes at this temperature；
C. after insulation, adding part additive in 13.5 minutes, the additive added accounts for overall additive ratio
The 39% of example；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid；
The detailed process of stirring is for the first time: first stirs 26.5 minutes with the clockwise direction of stirring paddle 7.5rd/h, then stops
Only stirring 13.5 minutes, stir 13.8 minutes counterclockwise with the speed of stirring paddle 7.8rd/h the most again, then stop stirring 7.5 points
Clock；Stir 13.6 minutes along counterclockwise with the speed of stirring paddle 25.5rd/h again, then stop stirring 13.8 minutes, the most again to stir
The clockwise direction mixing oar 27.5rd/h stirs 113.2 minutes；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 649 degrees Celsius, stirring slag making aluminum ash picker out is come out of the stove
Outward；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 770 degrees Celsius and is incubated 9.2 hours；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 638 Celsius
Degree；
H. keep under conditions of the temperature of initial alloy liquid is 726 degrees Celsius in low stove, in 6-10 minute in low stove
Add the additive of account for overall additive ratio 53%；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid；
The detailed process of second time stirring is: first stirs 15.6 minutes with the clockwise direction of stirring paddle 25rd/h, then stops
Only stirring 75 minutes, stir 13.8 minutes counterclockwise with the speed of stirring paddle 25.5rd/h the most again, then stop stirring 70 minutes；
Stir 28 minutes along counterclockwise with the speed of stirring paddle 15rd/h again, then stop stirring 43 minutes, the most again with stirring paddle 15rd/
The clockwise direction of h stirs 42 minutes；
J. secondary alloy liquid is heated to 850 degrees Celsius, and is incubated 115 minutes；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 15 minutes with the clockwise direction of stirring paddle 37.5rd/h, then stops
Only stirring 26 minutes, stir 15 minutes counterclockwise with the speed of stirring paddle 35rd/h the most again, then stop stirring 25 minutes；Again with
The speed of stirring paddle 16rd/h is along stirring 7.5 minutes counterclockwise, then stops stirring 15.5 minutes, the most again with stirring paddle 15rd/h
Clockwise direction stir 7.5 minutes；
M. entire alloy liquid is heated to 880 degrees Celsius and is incubated 26 minutes；In 15 minutes, entire alloy liquid is dropped again
Temperature is to 726 degrees Celsius and is incubated 26.5 minutes；In 7.5 minutes, entire alloy liquid is warming up to 816 degrees Celsius again and is incubated
14.7 minutes；In 8.3 minutes, entire alloy liquid is heated to 975 degrees Celsius again and is incubated 13.5 minutes；Again in 7.2 minutes
Entire alloy liquid is cooled to 920 degrees Celsius and is incubated 76 minutes；
N., in 26.5 minutes, entire alloy liquid is cooled to 730 degrees Celsius and keeps 27 minutes；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag；
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.44% amount refining agent is added automatically
In duster；Stove is passed through downwards the nitrogen that pressure is 0.23MPa, simultaneously automatic powder blower with the dusting speed of 238Kg.s to
Lower stove sprays into refining agent；
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 658 degrees Celsius and grinds
In tool, cooling molding, obtains finished product pack alloy ingot.
The pack alloy of the present invention, alloy structure is fine and close, crystallizes tiny, surface without bright spot, slag, anodic oxidation performance
Well, decay resistance is good.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1.
A kind of pack alloy, by weight percentage, containing following composition:
Si:9.5-11.0%；
Cu:0.05-0.08%；
Mg:3.3-3.5%；
Mn:0.3-0.5%；
Zn:0.1-0.2%；
Fe:2.8-3.0%；
Pb:0-0.03%；
Ti:0.03-0.18%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus；
Al is main body, and remaining composition constitutes additive.
This pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio.The ratio of additive is as the criterion with aforementioned proportion.
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into fine aluminium when 300-500 degree Celsius
Raw material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 650-750 degree Celsius and be incubated 20-at this temperature
40 minutes.The pack alloy of the present invention passes sequentially through blast furnace and turns the mode of low stove and carry out, to guarantee the die casting aluminium finally prepared
Alloy meets performance requirement.
Use the pre-heat treatment so that blast furnace is initially added into aluminum feedstock when having uniform temperature, by each special process
Coordinate to reach the performance of final prepared pack alloy.
C. after insulation, adding part additive in 10-15 minute, the additive added accounts for overall additive ratio
The 25%-45% of example.
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid.
The detailed process of stirring is for the first time: first stir 20-30 minute with the clockwise direction of stirring paddle 5-10rd/h, then
Stop stirring 10-15 minute, stir counterclockwise 20-30 minute with the speed of stirring paddle 5-10rd/h the most again, then stop stirring
3-10 minute；Stir 10-15 minute along counterclockwise with the speed of stirring paddle 20-30rd/h again, then stop stirring 10-15 minute,
10-15 minute is stirred the most again with the clockwise direction of stirring paddle 20-30rd/h.
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 620-670 degree Celsius, by stirring slag making aluminum ash picker out
Outside coming out of the stove.
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 700-800 degree Celsius and to be incubated 8-10 little
Time.
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 630-650
Degree Celsius.
H. keep under conditions of the temperature of initial alloy liquid is 700-740 degree Celsius in low stove, to low in 6-10 minute
The additive of the 45%-60% accounting for overall additive ratio is added in stove.
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid.
The detailed process of second time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 20-30rd/h,
Stop stirring 50-90 minute again, stir counterclockwise 10-15 minute with the speed of stirring paddle 20-30rd/h the most again, then stop stirring
Mix 50-90 minute；Stir 25-30 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 30-50 divides
Clock, stirs 30-50 minute with the clockwise direction of stirring paddle 10-20rd/h the most again.
J. secondary alloy liquid is heated to 780-920 degree Celsius, and is incubated 90-150 minute.
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys.
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid.
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 30-40rd/h,
Stop stirring 20-30 minute again, stir counterclockwise 10-20 minute with the speed of stirring paddle 30-40rd/h the most again, then stop stirring
Mix 20-30 minute；Stir 5-10 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 10-20 divides
Clock, stirs 5-10 minute with the clockwise direction of stirring paddle 10-20rd/h the most again.
M. entire alloy liquid it is heated to 800-950 degree Celsius and is incubated 20-30 minute；Again by complete in 10-20 minute
Whole aluminium alloy is cooled to 700-750 degree Celsius and is incubated 20-30 minute；In 5-10 minute, entire alloy liquid is warming up to again
780-850 degree Celsius and be incubated 10-20 minute；In 5-10 minute, entire alloy liquid is heated to 960-980 degree Celsius also again
It is incubated 10-15 minute；In 5-10 minute, entire alloy liquid it is cooled to 850-950 degree Celsius again and is incubated 60-90 minute.
N., in 20-30 minute, entire alloy liquid is cooled to 700-750 degree Celsius and keeps 20-30 minute.
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag.
The most by weight percentage, refining agent is added by the amount of the 0.4%-0.5% accounting for aluminium alloy amount with the content of refining agent
Enter in automatic powder blower；Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 200-simultaneously
250Kg.s the downward stove of dusting speed in spray into refining agent.Refining agent selects to be applicable to the refining agent of aluminium alloy, refining agent
There is the refining agent that multiple different manufacturers provides market, and is known in the art general knowledge, does not repeats them here.
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 640-680 degree Celsius
In type grinding tool, cooling molding, obtains finished product pack alloy ingot.
The present invention is controlled by each component ratio and the preparation technology of each step, constitutes complete scheme, by right
The control of each technology point reaches final overall performance.The variation of any one technology point all may can cause product final performance
Requirement can not be reached.
The pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Tensile strength
Functional, decay resistance is good.This pack alloy anodic oxidation is functional.
Using this pack alloy as the raw material of mobile phone center, prepared mobile phone center outer surface is attractive in appearance, impulse-free robustness,
Anodic oxidation is functional, and decay resistance is good.
Use this pack alloy as the raw material of clockwork mechanism, there is anodic oxidation functional, corrosion resistance
Can be good, the advantages such as tensile strength properties is good.
Embodiment 2.
A kind of pack alloy, further feature is same as in Example 1, and difference is: by weight percentage, contains
Following composition:
Si:10-10.5%；
Cu:0.06-0.08%；
Mg:3.4-3.5%；
Mn:0.35-0.45%；
Zn:0.12-0.16%；
Fe:2.85-2.95%；
Pb:0-0.02%；
Ti:0.06-0.18%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus.
Use the pack alloy of this outfit, the pack alloy performance one when being prepared on a large scale, between different batches
Cause is good, stable performance.
The pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Tensile strength
Functional, decay resistance is good.This pack alloy anodic oxidation is functional.
Using this pack alloy as the raw material of mobile phone center, prepared mobile phone center outer surface is attractive in appearance, impulse-free robustness,
Anodic oxidation is functional, and decay resistance is good.
Use this pack alloy as the raw material of clockwork mechanism, there is anodic oxidation functional, corrosion resistance
Can be good, the advantages such as tensile strength properties is good.
Embodiment 3.
A kind of pack alloy, further feature is same as in Example 1, and difference is: this pack alloy, with weight
Percentages, containing following composition:
Si:9.8-10.5%；
Cu:0.06-0.07%；
Mg:3.35-3.4%；
Mn:0.35-0.46%；
Zn:0.12-0.18%；
Fe:2.95-3.0%；
Pb:0-0.03%；
Ti:0.07-0.15%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus；
Al is main body, and remaining composition constitutes additive.
The pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Tensile strength
Functional, decay resistance is good.This pack alloy anodic oxidation is functional.
Using this pack alloy as the raw material of mobile phone center, prepared mobile phone center outer surface is attractive in appearance, impulse-free robustness,
Anodic oxidation is functional, and decay resistance is good.
Use this pack alloy as the raw material of clockwork mechanism, there is anodic oxidation functional, corrosion resistance
Can be good, the advantages such as tensile strength properties is good.
Embodiment 4.
A kind of pack alloy, further feature is identical with embodiment 1 or 2 or 3, and difference is: also have following skill
Art feature, pack alloy prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, to be initially added into fine aluminium when 350-450 degree Celsius former for furnace temperature
Material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 680-720 degree Celsius and be incubated 25-30 at this temperature
Minute；
C. after insulation, adding part additive in 12-14 minute, the additive added accounts for overall additive ratio
The 30%-40% of example；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid；
The detailed process of stirring is for the first time: first stir 23-27 minute with the clockwise direction of stirring paddle 6-8rd/h, then
Stop stirring 12-14 minute, stir counterclockwise 12-14 minute with the speed of stirring paddle 6.5-8.5rd/h the most again, then stop stirring
Mix 5-8 minute；Stir 12-14 minute along counterclockwise with the speed of stirring paddle 23-27rd/h again, then stop stirring 13-14 minute,
12-13.5 minute is stirred the most again with the clockwise direction of stirring paddle 23-28rd/h；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640-650 degree Celsius, by stirring slag making aluminum ash picker out
Outside coming out of the stove；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 720-780 degree Celsius and is incubated 8.5-9.5
Hour；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 635-640
Degree Celsius；
H. keep under conditions of the temperature of initial alloy liquid is 720-730 degree Celsius in low stove, to low in 6-10 minute
The additive of the 50%-55% accounting for overall additive ratio is added in stove；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid；
The detailed process of second time stirring is: first stir 12-18 minute with the clockwise direction of stirring paddle 23-26rd/h,
Stop stirring 60-80 minute again, stir counterclockwise 12-14 minute with the speed of stirring paddle 23-27rd/h the most again, then stop stirring
Mix 60-80 minute；Stir 25-30 minute along counterclockwise with the speed of stirring paddle 12-17rd/h again, then stopping stirring 35-45 divides
Clock, stirs 35-45 minute with the clockwise direction of stirring paddle 12-18rd/h the most again；
J. secondary alloy liquid is heated to 790-900 degree Celsius, and is incubated 100-120 minute；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 12-16 minute with the clockwise direction of stirring paddle 33-38rd/h,
Stop stirring 22-27 minute again, stir counterclockwise 12-16 minute with the speed of stirring paddle 33-38rd/h the most again, then stop stirring
Mix 23-27 minute；Stir 6-8 minute along counterclockwise with the speed of stirring paddle 12-18rd/h again, then stop stirring 12-17 minute,
6-8 minute is stirred the most again with the clockwise direction of stirring paddle 13-16rd/h；
M. entire alloy liquid it is heated to 850-900 degree Celsius and is incubated 22-27 minute；Again by complete in 12-16 minute
Whole aluminium alloy is cooled to 720-730 degree Celsius and is incubated 22-27 minute；In 6-8 minute, entire alloy liquid is warming up to again
800-820 degree Celsius and be incubated 12-16 minute；In 6-9 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and protects
Temperature 12-14 minute；In 6-8 minute, entire alloy liquid it is cooled to 900-930 degree Celsius again and is incubated 70-80 minute；
N., in 23-28 minute, entire alloy liquid is cooled to 720-740 degree Celsius and keeps 21-29 minute；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag；
The most by weight percentage, the amount of 0.42%-0.45% of aluminium alloy amount is accounted for the content of refining agent by refining agent
Add in automatic powder blower；Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 220-simultaneously
240Kg.s the downward stove of dusting speed in spray into refining agent；
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 650-660 degree Celsius
In type grinding tool, cooling molding, obtains finished product pack alloy ingot.
The pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Tensile strength
Functional, decay resistance is good.This pack alloy anodic oxidation is functional.The pack alloy performance of the present embodiment
Compared with other more preferably.
Embodiment 5.
A kind of pack alloy, further feature is identical with embodiment 1 or 2 or 3, and difference is: also have following skill
Art feature, pack alloy prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature is initially added into fine aluminium raw material when 380 degrees Celsius, rises
Furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 700 degrees Celsius and be incubated 26 minutes at this temperature；
C. after insulation, adding part additive in 12.5 minutes, the additive added accounts for overall additive ratio
The 35% of example；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid；
The detailed process of stirring is for the first time: first stirs 25 minutes with the clockwise direction of stirring paddle 6.5rd/h, then stops
Stir 12.5 minutes, stir counterclockwise 12.5 minutes with the speed of stirring paddle 7.0rd/h the most again, then stop stirring 5.8 minutes；
Stir 12.5 minutes along counterclockwise with the speed of stirring paddle 24rd/h again, then stop stirring 13.5 minutes, the most again with stirring paddle
The clockwise direction of 25rd/h stirs 12.5 minutes；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 645 degrees Celsius, stirring slag making aluminum ash picker out is come out of the stove
Outward；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 740 degrees Celsius and is incubated 8.8 hours；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 638 Celsius
Degree；
H. keep under conditions of the temperature of initial alloy liquid is 723 degrees Celsius in low stove, adding in low stove in 6.8 minutes
Enter the additive of account for overall additive ratio 52%；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid；
The detailed process of second time stirring is: first stirs 14 minutes with the clockwise direction of stirring paddle 24rd/h, then stops
Stir 65 minutes, stir counterclockwise 12.5 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 68 minutes；Again with
The speed of stirring paddle 13.5rd/h is along stirring 28 minutes counterclockwise, then stops stirring 40 minutes, the most again with stirring paddle 15rd/h
Clockwise direction stir 39 minutes；
J. secondary alloy liquid is heated to 820 degrees Celsius, and is incubated 110 minutes；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 13 minutes with the clockwise direction of stirring paddle 35rd/h, then stops
Stir 24 minutes, stir counterclockwise 13 minutes with the speed of stirring paddle 35rd/h the most again, then stop stirring 24 minutes；Again to stir
The speed mixing oar 13rd/h stirs 6.8 minutes along counterclockwise, then stops stirring 13 minutes, the most again with the speed of stirring paddle 14rd/h
Degree stirring 6.5 minutes clockwise；
M. entire alloy liquid is heated to 880 degrees Celsius and is incubated 24 minutes；In 13 minutes, entire alloy liquid is dropped again
Temperature is to 723 degrees Celsius and is incubated 23 minutes；In 6.8 minutes, entire alloy liquid is warming up to 810 degrees Celsius again and is incubated 13 points
Clock；In 7 minutes, entire alloy liquid is heated to 970 degrees Celsius again and is incubated 12.5 minutes；To completely close in 6.5 minutes again
Gold liquid is cooled to 920 degrees Celsius and is incubated 73 minutes；
N., in 25 minutes, entire alloy liquid is cooled to 726 degrees Celsius and keeps 23 minutes；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag；
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.43% amount refining agent is added automatically
In duster；Stove is passed through downwards the nitrogen that pressure is 0.22MPa, simultaneously automatic powder blower with the dusting speed of 230Kg.s to
Lower stove sprays into refining agent；
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 655 degrees Celsius and grinds
In tool, cooling molding, obtains finished product pack alloy ingot.
Embodiment 6.
A kind of pack alloy, further feature is identical with embodiment 1 or 2 or 3, and difference is: also have following skill
Art feature, pack alloy prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature is initially added into fine aluminium raw material when 420 degrees Celsius, rises
Furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 710 degrees Celsius and be incubated 28 minutes at this temperature；
C. after insulation, adding part additive in 13.5 minutes, the additive added accounts for overall additive ratio
The 39% of example；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor
Gold liquid；
The detailed process of stirring is for the first time: first stirs 26.5 minutes with the clockwise direction of stirring paddle 7.5rd/h, then stops
Only stirring 13.5 minutes, stir 13.8 minutes counterclockwise with the speed of stirring paddle 7.8rd/h the most again, then stop stirring 7.5 points
Clock；Stir 13.6 minutes along counterclockwise with the speed of stirring paddle 25.5rd/h again, then stop stirring 13.8 minutes, the most again to stir
The clockwise direction mixing oar 27.5rd/h stirs 113.2 minutes；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 649 degrees Celsius, stirring slag making aluminum ash picker out is come out of the stove
Outward；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 770 degrees Celsius and is incubated 9.2 hours；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 638 Celsius
Degree；
H. keep under conditions of the temperature of initial alloy liquid is 726 degrees Celsius in low stove, in 6-10 minute in low stove
Add the additive of account for overall additive ratio 53%；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains
Secondary alloy liquid；
The detailed process of second time stirring is: first stirs 15.6 minutes with the clockwise direction of stirring paddle 25rd/h, then stops
Only stirring 75 minutes, stir 13.8 minutes counterclockwise with the speed of stirring paddle 25.5rd/h the most again, then stop stirring 70 minutes；
Stir 28 minutes along counterclockwise with the speed of stirring paddle 15rd/h again, then stop stirring 43 minutes, the most again with stirring paddle 15rd/
The clockwise direction of h stirs 42 minutes；
J. secondary alloy liquid is heated to 850 degrees Celsius, and is incubated 115 minutes；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 15 minutes with the clockwise direction of stirring paddle 37.5rd/h, then stops
Only stirring 26 minutes, stir 15 minutes counterclockwise with the speed of stirring paddle 35rd/h the most again, then stop stirring 25 minutes；Again with
The speed of stirring paddle 16rd/h is along stirring 7.5 minutes counterclockwise, then stops stirring 15.5 minutes, the most again with stirring paddle 15rd/h
Clockwise direction stir 7.5 minutes；
M. entire alloy liquid is heated to 880 degrees Celsius and is incubated 26 minutes；In 15 minutes, entire alloy liquid is dropped again
Temperature is to 726 degrees Celsius and is incubated 26.5 minutes；In 7.5 minutes, entire alloy liquid is warming up to 816 degrees Celsius again and is incubated
14.7 minutes；In 8.3 minutes, entire alloy liquid is heated to 975 degrees Celsius again and is incubated 13.5 minutes；Again in 7.2 minutes
Entire alloy liquid is cooled to 920 degrees Celsius and is incubated 76 minutes；
N., in 26.5 minutes, entire alloy liquid is cooled to 730 degrees Celsius and keeps 27 minutes；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete
Aluminium alloy surface is without slag；
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.44% amount refining agent is added automatically
In duster；Stove is passed through downwards the nitrogen that pressure is 0.23MPa, simultaneously automatic powder blower with the dusting speed of 238Kg.s to
Lower stove sprays into refining agent；
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 658 degrees Celsius and grinds
In tool, cooling molding, obtains finished product pack alloy ingot.
The pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Tensile strength
Functional, decay resistance is good.This pack alloy anodic oxidation is functional.The pack alloy of the present embodiment is at sun
Pole oxidation susceptibility aspect is put up the best performance.
Embodiment 7.
A kind of pack alloy, further feature is same as in Example 6, and difference is: also have following technical characteristic,
By weight percentage, pack alloy contains following composition:
Si:10.5%；
Cu:0.06%；
Mg:3.38%；
Mn:0.41%；
Zn:0.13%；
Fe:2.96%；
Pb:0.02%；
Ti:0.11%；
Ni:0.02%；
Cr:0.03%；
Sn:0.01%；
And the Al of its surplus；
Al is main body, and remaining composition constitutes additive.
The pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Tensile strength
Functional, decay resistance is good.This pack alloy anodic oxidation is functional.The pack alloy of the present embodiment is at sun
Pole oxidation susceptibility, decay resistance aspect are put up the best performance.
It is last it should be noted that, the present invention is only protected by above example in order to technical scheme to be described
The restriction of scope, although being explained in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art should manage
Solve, technical scheme can be modified or equivalent, without deviating from technical solution of the present invention essence and
Scope.
Claims (6)
1. a pack alloy, it is characterised in that
By weight percentage, containing following composition:
Si:9.5-11.0%；
Cu:0.05-0.08%；
Mg:3.3-3.5%；
Mn:0.3-0.5%；
Zn:0.1-0.2%；
Fe:2.8-3.0%；
Pb:0-0.03%；
Ti:0.03-0.18%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus；
Al is main body, and remaining composition constitutes additive；
This pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 300-500 degree Celsius fine aluminium raw material,
Raise the furnace temperature in blast furnace, make the temperature of aluminum liquid in blast furnace reach 650-750 degree Celsius and at this temperature insulation 20-40 divide
Clock；
C. after insulation, adding part additive in 10-15 minute, the additive added accounts for overall additive ratio
25%-45%；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid；
The detailed process of stirring is for the first time: first stirs 20-30 minute with the clockwise direction of stirring paddle 5-10rd/h, then stops
Stir 10-15 minute, stir counterclockwise 20-30 minute with the speed of stirring paddle 5-10rd/h the most again, then stop stirring 3-10
Minute；Stir 10-15 minute along counterclockwise with the speed of stirring paddle 20-30rd/h again, then stop stirring 10-15 minute, then
10-15 minute is stirred again with the clockwise direction of stirring paddle 20-30rd/h；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 620-670 degree Celsius, stirring slag making aluminum ash picker out is come out of the stove
Outward；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 700-800 degree Celsius and is incubated 8-10 hour；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is that 630-650 is Celsius
Degree；
H. keep under conditions of the temperature of initial alloy liquid is 700-740 degree Celsius in low stove, in 6-10 minute in low stove
Add the additive of the 45%-60% accounting for overall additive ratio；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary
Aluminium alloy；
The detailed process of second time stirring is: first stirs 10-20 minute with the clockwise direction of stirring paddle 20-30rd/h, then stops
Only stirring 50-90 minute, stirs 10-15 minute counterclockwise with the speed of stirring paddle 20-30rd/h the most again, then stops stirring
50-90 minute；Stir 25-30 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stop stirring 30-50 minute,
30-50 minute is stirred the most again with the clockwise direction of stirring paddle 10-20rd/h；
J. secondary alloy liquid is heated to 780-920 degree Celsius, and is incubated 90-150 minute；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 10-20 minute with the clockwise direction of stirring paddle 30-40rd/h, then stops
Only stirring 20-30 minute, stirs 10-20 minute counterclockwise with the speed of stirring paddle 30-40rd/h the most again, then stops stirring
20-30 minute；Stir 5-10 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stop stirring 10-20 minute,
5-10 minute is stirred the most again with the clockwise direction of stirring paddle 10-20rd/h；
M. entire alloy liquid it is heated to 800-950 degree Celsius and is incubated 20-30 minute；To completely close in 10-20 minute again
Gold liquid is cooled to 700-750 degree Celsius and is incubated 20-30 minute；In 5-10 minute, entire alloy liquid is warming up to 780-again
850 degrees Celsius and be incubated 10-20 minute；In 5-10 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and is incubated
10-15 minute；In 5-10 minute, entire alloy liquid it is cooled to 850-950 degree Celsius again and is incubated 60-90 minute；
N., in 20-30 minute, entire alloy liquid is cooled to 700-750 degree Celsius and keeps 20-30 minute；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy
Liquid surface is without slag；
The most by weight percentage, refining agent is added certainly by the amount of the 0.4%-0.5% accounting for aluminium alloy amount with the content of refining agent
In dynamic duster；Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 200-250Kg.s's simultaneously
The downward stove of dusting speed sprays into refining agent；
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 640-680 degree Celsius and grinds
In tool, cooling molding, obtains finished product pack alloy ingot.
Pack alloy the most according to claim 1, it is characterised in that by weight percentage, containing following composition:
Si:10-10.5%；
Cu:0.06-0.08%；
Mg:3.4-3.5%；
Mn:0.35-0.45%；
Zn:0.12-0.16%；
Fe:2.85-2.95%；
Pb:0-0.02%；
Ti:0.06-0.18%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus.
Pack alloy the most according to claim 1, it is characterised in that
By weight percentage, containing following composition:
Si:9.8-10.5%；
Cu:0.06-0.07%；
Mg:3.35-3.4%；
Mn:0.35-0.46%；
Zn:0.12-0.18%；
Fe:2.95-3.0%；
Pb:0-0.03%；
Ti:0.07-0.15%；
Ni:0-0.03%；
Cr:0-0.05%；
Sn:0-0.03%；
And the Al of its surplus；
Al is main body, and remaining composition constitutes additive.
4. according to the pack alloy described in claim 1 or 2 or 3, it is characterised in that described pack alloy is by following work
Prepared by skill:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature is initially added into fine aluminium raw material when 350-450 degree Celsius, rises
Furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 680-720 degree Celsius and be incubated 25-30 minute at this temperature；
C. after insulation, adding part additive in 12-14 minute, the additive added accounts for overall additive ratio
30%-40%；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid；
The detailed process of stirring is for the first time: first stirs 23-27 minute with the clockwise direction of stirring paddle 6-8rd/h, then stops
Stir 12-14 minute, stir counterclockwise 12-14 minute with the speed of stirring paddle 6.5-8.5rd/h the most again, then stop stirring 5-
8 minutes；Stir 12-14 minute along counterclockwise with the speed of stirring paddle 23-27rd/h again, then stop stirring 13-14 minute, then
12-13.5 minute is stirred again with the clockwise direction of stirring paddle 23-28rd/h；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640-650 degree Celsius, stirring slag making aluminum ash picker out is come out of the stove
Outward；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 720-780 degree Celsius and to be incubated 8.5-9.5 little
Time；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is that 635-640 is Celsius
Degree；
H. keep under conditions of the temperature of initial alloy liquid is 720-730 degree Celsius in low stove, in 6-10 minute in low stove
Add the additive of the 50%-55% accounting for overall additive ratio；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary
Aluminium alloy；
The detailed process of second time stirring is: first stirs 12-18 minute with the clockwise direction of stirring paddle 23-26rd/h, then stops
Only stirring 60-80 minute, stirs 12-14 minute counterclockwise with the speed of stirring paddle 23-27rd/h the most again, then stops stirring
60-80 minute；Stir 25-30 minute along counterclockwise with the speed of stirring paddle 12-17rd/h again, then stop stirring 35-45 minute,
35-45 minute is stirred the most again with the clockwise direction of stirring paddle 12-18rd/h；
J. secondary alloy liquid is heated to 790-900 degree Celsius, and is incubated 100-120 minute；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 12-16 minute with the clockwise direction of stirring paddle 33-38rd/h, then stops
Only stirring 22-27 minute, stirs 12-16 minute counterclockwise with the speed of stirring paddle 33-38rd/h the most again, then stops stirring
23-27 minute；Stir 6-8 minute along counterclockwise with the speed of stirring paddle 12-18rd/h again, then stop stirring 12-17 minute, so
After stir 6-8 minute with the clockwise direction of stirring paddle 13-16rd/h again；
M. entire alloy liquid it is heated to 850-900 degree Celsius and is incubated 22-27 minute；To completely close in 12-16 minute again
Gold liquid is cooled to 720-730 degree Celsius and is incubated 22-27 minute；In 6-8 minute, entire alloy liquid is warming up to 800-820 again
Degree Celsius and be incubated 12-16 minute；In 6-9 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and is incubated 12-14
Minute；In 6-8 minute, entire alloy liquid it is cooled to 900-930 degree Celsius again and is incubated 70-80 minute；
N., in 23-28 minute, entire alloy liquid is cooled to 720-740 degree Celsius and keeps 21-29 minute；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy
Liquid surface is without slag；
The most by weight percentage, refining agent is added by the amount of the 0.42%-0.45% accounting for aluminium alloy amount with the content of refining agent
In automatic powder blower；Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 220-240Kg.s simultaneously
The downward stove of dusting speed in spray into refining agent；
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 650-660 degree Celsius and grinds
In tool, cooling molding, obtains finished product pack alloy ingot.
Pack alloy the most according to claim 4, it is characterised in that described pack alloy is by following technique system
Standby:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature is initially added into fine aluminium raw material when 380 degrees Celsius, raises height
Furnace temperature in stove, makes the temperature of aluminum liquid in blast furnace reach 700 degrees Celsius and be incubated 26 minutes at this temperature；
C. after insulation, adding part additive in 12.5 minutes, the additive added accounts for overall additive ratio
35%；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid；
The detailed process of stirring is for the first time: first stir 25 minutes with the clockwise direction of stirring paddle 6.5rd/h, then stops stirring
12.5 minutes, stir counterclockwise 12.5 minutes with the speed of stirring paddle 7.0rd/h the most again, then stop stirring 5.8 minutes；Again with
The speed of stirring paddle 24rd/h is along stirring 12.5 minutes counterclockwise, then stops stirring 13.5 minutes, the most again with stirring paddle 25rd/
The clockwise direction of h stirs 12.5 minutes；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 645 degrees Celsius, outside being come out of the stove by stirring slag making aluminum ash picker out；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 740 degrees Celsius and is incubated 8.8 hours；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 638 degrees Celsius；
H. keep under conditions of the temperature of initial alloy liquid is 723 degrees Celsius in low stove, adding in low stove in 6.8 minutes and accounting for
The additive of the 52% of overall additive ratio；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary
Aluminium alloy；
The detailed process of second time stirring is: first stirs 14 minutes with the clockwise direction of stirring paddle 24rd/h, then stops stirring
65 minutes, stir counterclockwise 12.5 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 68 minutes；Again with stirring
The speed of oar 13.5rd/h is along stirring 28 minutes counterclockwise, then stops stirring 40 minutes, the most again with the speed of stirring paddle 15rd/h
Degree stirring 39 minutes clockwise；
J. secondary alloy liquid is heated to 820 degrees Celsius, and is incubated 110 minutes；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 13 minutes with the clockwise direction of stirring paddle 35rd/h, then stops stirring
24 minutes, stir counterclockwise 13 minutes with the speed of stirring paddle 35rd/h the most again, then stop stirring 24 minutes；Again with stirring paddle
The speed of 13rd/h is along stirring 6.8 minutes counterclockwise, then stops stirring 13 minutes, and the speed with stirring paddle 14rd/h is suitable the most again
Hour hands stir 6.5 minutes；
M. entire alloy liquid is heated to 880 degrees Celsius and is incubated 24 minutes；In 13 minutes, entire alloy liquid is cooled to again
723 degrees Celsius and be incubated 23 minutes；In 6.8 minutes, entire alloy liquid is warming up to 810 degrees Celsius again and is incubated 13 minutes；Again
In 7 minutes, entire alloy liquid is heated to 970 degrees Celsius and is incubated 12.5 minutes；Again by entire alloy liquid in 6.5 minutes
It is cooled to 920 degrees Celsius and is incubated 73 minutes；
N., in 25 minutes, entire alloy liquid is cooled to 726 degrees Celsius and keeps 23 minutes；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy
Liquid surface is without slag；
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.43% amount refining agent is added automatic powder spraying
In machine；Being passed through, in stove, the nitrogen that pressure is 0.22MPa downwards, automatic powder blower is with the downward stove of dusting speed of 230Kg.s simultaneously
In spray into refining agent；
P. entire alloy liquid step O obtained is poured in shaping grinding apparatus by casting machine under conditions of being maintained at 655 degrees Celsius
Cooling molding, obtains finished product pack alloy ingot.
Pack alloy the most according to claim 4, it is characterised in that described pack alloy is by following technique system
Standby:
A. it is pre-configured with additive according to component ratio；
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature is initially added into fine aluminium raw material when 420 degrees Celsius, raises height
Furnace temperature in stove, makes the temperature of aluminum liquid in blast furnace reach 710 degrees Celsius and be incubated 28 minutes at this temperature；
C. after insulation, adding part additive in 13.5 minutes, the additive added accounts for overall additive ratio
39%；
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid；
The detailed process of stirring is for the first time: first stir 26.5 minutes with the clockwise direction of stirring paddle 7.5rd/h, then stops stirring
Mix 13.5 minutes, stir counterclockwise 13.8 minutes with the speed of stirring paddle 7.8rd/h the most again, then stop stirring 7.5 minutes；Again
Stir 13.6 minutes along counterclockwise with the speed of stirring paddle 25.5rd/h, then stop stirring 13.8 minutes, the most again with stirring paddle
The clockwise direction of 27.5rd/h stirs 113.2 minutes；
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 649 degrees Celsius, outside being come out of the stove by stirring slag making aluminum ash picker out；
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 770 degrees Celsius and is incubated 9.2 hours；
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 638 degrees Celsius；
H. keep under conditions of the temperature of initial alloy liquid is 726 degrees Celsius in low stove, adding in low stove in 6-10 minute
Account for overall additive ratio 53% additive；
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary
Aluminium alloy；
The detailed process of second time stirring is: first stir 15.6 minutes with the clockwise direction of stirring paddle 25rd/h, then stops stirring
Mix 75 minutes, stir counterclockwise 13.8 minutes with the speed of stirring paddle 25.5rd/h the most again, then stop stirring 70 minutes；Again with
The speed of stirring paddle 15rd/h is along stirring 28 minutes counterclockwise, then stops stirring 43 minutes, the most again with stirring paddle 15rd/h's
Clockwise direction stirs 42 minutes；
J. secondary alloy liquid is heated to 850 degrees Celsius, and is incubated 115 minutes；
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys；
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid；
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 15 minutes with the clockwise direction of stirring paddle 37.5rd/h, then stops stirring
Mix 26 minutes, stir counterclockwise 15 minutes with the speed of stirring paddle 35rd/h the most again, then stop stirring 25 minutes；Again with stirring
The speed of oar 16rd/h is along stirring 7.5 minutes counterclockwise, then stops stirring 15.5 minutes, the most again with the speed of stirring paddle 15rd/h
Degree stirring 7.5 minutes clockwise；
M. entire alloy liquid is heated to 880 degrees Celsius and is incubated 26 minutes；In 15 minutes, entire alloy liquid is cooled to again
726 degrees Celsius and be incubated 26.5 minutes；In 7.5 minutes, entire alloy liquid is warming up to 816 degrees Celsius again and is incubated 14.7 points
Clock；In 8.3 minutes, entire alloy liquid is heated to 975 degrees Celsius again and is incubated 13.5 minutes；Again will be complete in 7.2 minutes
Aluminium alloy is cooled to 920 degrees Celsius and is incubated 76 minutes；
N., in 26.5 minutes, entire alloy liquid is cooled to 730 degrees Celsius and keeps 27 minutes；
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy
Liquid surface is without slag；
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.44% amount refining agent is added automatic powder spraying
In machine；Being passed through, in stove, the nitrogen that pressure is 0.23MPa downwards, automatic powder blower is with the downward stove of dusting speed of 238Kg.s simultaneously
In spray into refining agent；
P. entire alloy liquid step O obtained is poured in shaping grinding apparatus by casting machine under conditions of being maintained at 658 degrees Celsius
Cooling molding, obtains finished product pack alloy ingot.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277369A (en) * | 2018-02-09 | 2018-07-13 | 兰州理工大学 | A kind of high duralumin, hard alumin ium alloy processing technology of lightweight |
| CN110241333A (en) * | 2019-06-27 | 2019-09-17 | 广东顺博铝合金有限公司 | A kind of aluminium alloy with good heat radiating |
| CN110340610A (en) * | 2019-05-24 | 2019-10-18 | 惠州市华辉信达电子有限公司 | A kind of welding method for the spot welding of antenna for mobile phone contact |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243245A (en) * | 2013-05-09 | 2013-08-14 | 上海嘉朗实业有限公司 | High-strength and high-plasticity die-cast aluminum alloy material and application thereof |
| CN103667815A (en) * | 2013-11-27 | 2014-03-26 | 浙江鸿峰铝业有限公司 | Die-casting aluminum alloy |
| CN104264017A (en) * | 2014-10-17 | 2015-01-07 | 苏州凯宥电子科技有限公司 | High-thermal-conductivity die casting aluminum alloy and preparation method thereof |
| CN105463269A (en) * | 2015-12-01 | 2016-04-06 | 上海交通大学 | High-strength and high-corrosion-resistance cast aluminum alloy and pressure casting preparation method thereof |
-
2016
- 2016-08-31 CN CN201610778808.1A patent/CN106191566A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243245A (en) * | 2013-05-09 | 2013-08-14 | 上海嘉朗实业有限公司 | High-strength and high-plasticity die-cast aluminum alloy material and application thereof |
| CN103667815A (en) * | 2013-11-27 | 2014-03-26 | 浙江鸿峰铝业有限公司 | Die-casting aluminum alloy |
| CN104264017A (en) * | 2014-10-17 | 2015-01-07 | 苏州凯宥电子科技有限公司 | High-thermal-conductivity die casting aluminum alloy and preparation method thereof |
| CN105463269A (en) * | 2015-12-01 | 2016-04-06 | 上海交通大学 | High-strength and high-corrosion-resistance cast aluminum alloy and pressure casting preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 康宁 主编: "《电解铝生产》", 30 September 2015 * |
| 蔡曾清 主编: "《中国铝合金再生资源发展研究》", 31 January 2010 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277369A (en) * | 2018-02-09 | 2018-07-13 | 兰州理工大学 | A kind of high duralumin, hard alumin ium alloy processing technology of lightweight |
| CN110340610A (en) * | 2019-05-24 | 2019-10-18 | 惠州市华辉信达电子有限公司 | A kind of welding method for the spot welding of antenna for mobile phone contact |
| CN110241333A (en) * | 2019-06-27 | 2019-09-17 | 广东顺博铝合金有限公司 | A kind of aluminium alloy with good heat radiating |
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