CN109355518A - A kind of high intensity hypoeutectic Al-Si-Cu alloy production technique - Google Patents
A kind of high intensity hypoeutectic Al-Si-Cu alloy production technique Download PDFInfo
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- CN109355518A CN109355518A CN201811531445.7A CN201811531445A CN109355518A CN 109355518 A CN109355518 A CN 109355518A CN 201811531445 A CN201811531445 A CN 201811531445A CN 109355518 A CN109355518 A CN 109355518A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
Abstract
The present invention discloses a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique, belongs to field of aluminum alloys, and key step includes ingredient, feed intake, melt, skimming, converter, alloying, refining slagging-off, refines degasification, standing, casting and natrual ageing；The present invention is not mature enough for purification process technique of the domestic many enterprises to regeneration aluminium scrap, cause final products performance level general, directly limit the recycling of regeneration aluminium scrap, the problem of affecting the development of secondary aluminium circular economy, the production technology of research and development, it can solve problem above, and the properties of product of final production are better than national standard product, are widely used in the components such as motor cylinder block, cylinder cap.
Description
Technical field
The present invention relates to field of aluminum alloys, more particularly to a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique.
Background technique
In view of aluminium itself it is intrinsic it is non-degradable, anticorrosive, can Reusability do not influence quality the characteristics of, aluminium and aluminium alloy
Attention of the waste regeneration utilization by more and more national.With being constantly progressive for science and technology, entire secondary aluminium industry is
Develop towards scale, mechanization, automation, energy-saving, specialization, direction that is intensive and cleaning.It strives for regenerating
The simple use or upgrading of aluminium base waste material use, and realize regeneration aluminium base new material in automobile market aluminium for Steel material, safety member material
The aluminium such as material, structure material, aerospace, high-speed rail will regenerate aluminium base for the application in terms of the high value added products such as magnesium material
Expect the extension from extensive die casting market to high, precision and frontier field, has become the common mesh of the numerous Large-scale enterprises of industry
Mark.
But since purification process technique of the domestic many enterprises to regeneration aluminium scrap is not mature enough, lead to final products performance water
It is flat general, the recycling of regeneration aluminium scrap is directly limited, the development of secondary aluminium circular economy is affected.
Summary of the invention
It is above-mentioned existing to solve the object of the present invention is to provide a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique
Technology there are the problem of, the properties of product of final production are better than national standard product, are widely used in motor cylinder block, cylinder cap etc. zero
Part.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique, comprising the following steps:
(1) ingredient: remelting aluminium ingot 16-23wt%, secondary aluminium material 70-75wt%, industrial silicon 5-8wt%, cathode copper
1.5-2wt%, electrolytic manganese 0.05-0.2wt%；
(2) it feeds intake: taking 80% remelting aluminium ingot and 60% secondary aluminium material to be added in melting chamber, start to melt；Remaining remelting
Aluminium ingot is used to expect as cooling, remaining secondary aluminium material is added in batches in waste chamber, and the 8-12% of secondary aluminium material total amount is added every time；
(3) it melts: 760-780 DEG C of melting chamber fusion temperature of adjustment, waste chamber preheated after secondary aluminium material is added every time,
Cover material and stirring, preheating time 30-50min, cover material time 20-30min, mixing time 10-15min；
(4) it skims: being sufficiently stirred 2 times, each 3-5min claws surface scum；
(5) converter: industrial silicon is added in alloying furnace and is preheated, molten aluminum is gone into alloying furnace, converter temperature of aluminum liquid 740-750
DEG C, kiln process molten aluminum carries out industrial silicon to wash away melting；
(6) alloying: after converter, cathode copper and electrolytic manganese is added, is continuously heating to 780-800 DEG C, keeps 20-
40min is stirred 3-5 times during holding, each 5-7min；
(7) refining slagging-off: after the completion of alloying, being added reserved cooling material, temperature adjusted to 730 DEG C -750 DEG C, with
Inert gas is carrier, and the graininess refining agent of aluminium material 1 ‰ is blown into molten aluminum surface, so that it is covered entire molten bath, is sufficiently stirred
15min stands 5min, dross is clawed；
(8) it refines degasification: 730-750 DEG C of temperature of aluminum liquid, being harrowed using degasification and inert gas is blown into inside molten aluminum, degasification rake
It is moved repeatedly with " M " type motion profile, drag head is apart from furnace bottom 100mm, gas pressure 0.4Mpa, flow 1.5m3/h；
(9) it stands: after the completion of degasification, standing 10-20min；
(10) cast: adjustment temperature of aluminum liquid carries out after line degasification, filtering to 710-720 DEG C, casting.
Further, in step (1), the following raw material of components by weight percentage, remelting aluminium ingot 20.7%, secondary aluminium
Expect 71.4%, industrial silicon 6.1%, cathode copper 1.8%, electrolytic manganese 0.1%.
Further, it in step (5), is pumped using closed molten aluminum and molten aluminum is gone into alloying furnace, prevent kiln process
Secondary pollution.
Further, in step (8), the degasification rake is that four pipe degasification are harrowed.
Further, in step (10), the online degasification specifically: molten aluminum is put from alloying furnace by molten aluminum when casting
The mouth of a river flows into degasification tank along chute, and degasification tank is equipped with birotor GBF getter and carries out the online degasification of overall process, getter revolving speed
400-440RPM, nitrogen flow 15-25LPM are set, molten aluminum air content is controlled in 0.2cc/100gAl.
Further, in step (10), the filtering specifically: molten aluminum flows into filtering ponds, filtering ponds from degasification tank again
20ppi foamed ceramic filter plate is installed, impurity is further removed by mechanical stop and suction-operated, molten aluminum is purified, can make
Molten aluminum dregginess (k value) controls below 0.05.
Further, in step (10), the casting specifically: flow rate of aluminium liquid control position case, aluminium is arranged in filtering box back
Liquid inherent filtration case flows into flow rate of aluminium liquid control position case, and control position case connects casting machine, and casting machine is equipped with laser probe and incudes feedback device
With mechanical hand of shaving automatically, closed loop+automatic control system of shaving is formed, is incuded using laser probe and is fed back, automatically adjusts liquid level
Bar height realizes that flow rate of aluminium liquid is balanced, ingot casting is uniform in size, and every product ingot casting weight can be controlled in 5.5 ± 0.2kg.
Further, in step (10), casting line uses immersion type casting system, the leaching of casting process ingot mold bottom
Yu Shuizhong keeps mold temperature to be in 100-150 DEG C always, and 35HZ is arranged in casting rate.
Further, after the completion of casting, by from fold ingot machine and code ingot mechanical hand by product ingot casting code ingot pile, ingot pile
It pitches and is transported to timeliness area, 20-25 DEG C of environment temperature, natural aging time 20h.
The invention discloses following technical effects:
High intensity hypoeutectic Al-Si-Cu alloy mechanical property of the present invention can reach tensile strength > 230MPa, stretch
Long rate > 4.0%, Brinell hardness > 80HB；About 50% is improved compared with similar product tensile strength under mechanical property as cast condition, elongation
About 200% is improved, Brinell hardness improves about 30%.
High intensity hypoeutectic Al-Si-Cu alloy mechanics regenerated aluminium use ratio of the present invention is effectively dropped up to 70%
Low cost.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
(1) ingredient:
(2) feed intake: forklift feeding disk takes 80% remelting aluminium ingot and 60% secondary aluminium material to be added in melting chamber, fusing
Ferro-aluminum chamber furnaced is melted using 45T secondary aluminium automatically, starts to melt；Remaining remelting uses aluminium ingot to expect as cooling, remaining secondary aluminium
Material is added in waste chamber, and 4 additions of remaining secondary aluminium material point are added the 10% of secondary aluminium material total amount every time.
(3) melt: fusing heating method uses regenerative combustion system, and furnace group secondary aluminium melts ferro-aluminum chamber furnaced category automatically
In high-end industrial furnace, using advanced key operation automatic control system.Furnace chamber is divided into major and minor room, and centre is isolated by furnace wall,
By the inclination of furnace body, main chamber's molten aluminum is transferred to concubine by partition wall channel, impregnates molten materials.Melting chamber fusion temperature 770
DEG C, waste chamber is preheated after secondary aluminium material is added every time, covers material and stirring, preheating time 35min, and cover material time 25min is stirred
Mix time 12min.
(4) it skims: being sufficiently stirred 2 times, each 4min claws surface scum；
(5) converter: industrial silicon being added in alloying furnace and is preheated, and molten aluminum is gone to alloying furnace, molten aluminum output is using closed
Molten aluminum pump, prevents the secondary pollution of kiln process, 745 DEG C of converter temperature of aluminum liquid, kiln process molten aluminum washes away industrial silicon
It melts；
(6) alloying: after converter, cathode copper and electrolytic manganese is added, is continuously heating to 790 DEG C, keeps 30min, protects
Stirring 4 times, each 6min during holding；
(7) refining slagging-off: after the completion of alloying, reserved cooling material is added, temperature is adjusted to 740 DEG C, with indifferent gas
Body is carrier, and the graininess refining agent of aluminium material 1 ‰ is blown into molten aluminum surface, so that it is covered entire molten bath, 15min is sufficiently stirred,
5min is stood, dross is clawed；
(8) it refines degasification: 740 DEG C of temperature of aluminum liquid, being harrowed using four pipe degasification and inert gas is blown into inside molten aluminum, four pipes remove
Gas rake is moved repeatedly with " M " type motion profile, and drag head is apart from furnace bottom 100mm, gas pressure 0.4Mpa, flow 1.5m3/h；
(9) it stands: after the completion of degasification, standing 15min；
(10) cast: adjustment temperature of aluminum liquid is to 715 DEG C；
Molten aluminum flows into degasification tank along chute by molten aluminum dewatering outlet from alloying furnace when casting, and degasification tank is equipped with birotor
GBF getter carries out the online degasification of overall process, and getter revolving speed sets 420RPM, nitrogen flow 20LPM, by molten aluminum air content control
System is in 0.2cc/100gAl；
Molten aluminum flows into filtering ponds from degasification tank again, and filtering ponds are equipped with 20ppi foamed ceramic filter plate, pass through mechanical stop
Impurity is further removed with suction-operated, purifies molten aluminum, can make the control of molten aluminum dregginess below 0.05；
It filters box back and flow rate of aluminium liquid control position case is set, molten aluminum inherent filtration case flows into flow rate of aluminium liquid control position case, and control position case connects
Casting machine is connect, casting machine is equipped with laser probe induction feedback device and mechanical hand of shaving automatically, forms closed loop+automatic control of shaving
System is incuded using laser probe and is fed back, and liquid level bar height is automatically adjusted, and realizes that flow rate of aluminium liquid is balanced, ingot casting is uniform in size, often
Product ingot casting weight can be controlled in 5.5 ± 0.2kg；
Line of casting uses immersion type casting system, and casting process ingot mold bottom is dipped in water, and mold temperature is kept to begin
It is in 125 DEG C eventually, 35HZ is arranged in casting rate.
After the completion of casting, when being transported to by the way that from fold ingot machine and code ingot mechanical hand, by product ingot casting code ingot pile, ingot pile is pitched
Area is imitated, 23 DEG C of environment temperature, natural aging time 20h, product mechanical property can reach tensile strength > 230MPa, elongation >
4.0%, Brinell hardness > 80HB.
Embodiment 2
(1) ingredient:
(2) feed intake: forklift feeding disk takes 80% remelting aluminium ingot and 60% secondary aluminium material to be added in melting chamber, fusing
Ferro-aluminum chamber furnaced is melted using 45T secondary aluminium automatically, starts to melt；Remaining remelting uses aluminium ingot to expect as cooling, remaining secondary aluminium
Material is added in waste chamber, and 5 additions of remaining secondary aluminium material point are added the 8% of secondary aluminium material total amount every time.
(3) melt: fusing heating method uses regenerative combustion system, and furnace group secondary aluminium melts ferro-aluminum chamber furnaced category automatically
In high-end industrial furnace, using advanced key operation automatic control system.Furnace chamber is divided into major and minor room, and centre is isolated by furnace wall,
By the inclination of furnace body, main chamber's molten aluminum is transferred to concubine by partition wall channel, impregnates molten materials.Melting chamber fusion temperature 760
DEG C, waste chamber is preheated after secondary aluminium material is added every time, covers material and stirring, preheating time 30min, and cover material time 20min is stirred
Mix time 10min.
(4) it skims: being sufficiently stirred 2 times, each 3min claws surface scum；
(5) converter: industrial silicon being added in alloying furnace and is preheated, and molten aluminum is gone to alloying furnace, molten aluminum output is using closed
Molten aluminum pump, prevents the secondary pollution of kiln process, 740 DEG C of converter temperature of aluminum liquid, kiln process molten aluminum washes away industrial silicon
It melts；
(6) alloying: after converter, cathode copper and electrolytic manganese is added, is continuously heating to 780 DEG C, keeps 20min, protects
Stirring 3 times, each 5min during holding；
(7) refining slagging-off: after the completion of alloying, reserved cooling material is added, temperature is adjusted to 730 DEG C DEG C, with inertia
Gas is carrier, and the graininess refining agent of aluminium material 1 ‰ is blown into molten aluminum surface, so that it is covered entire molten bath, is sufficiently stirred
15min stands 5min, dross is clawed；
(8) it refines degasification: 730 DEG C of temperature of aluminum liquid, being harrowed using four pipe degasification and inert gas is blown into inside molten aluminum, four pipes remove
Gas rake is moved repeatedly with " M " type motion profile, and drag head is apart from furnace bottom 100mm, gas pressure 0.4Mpa, flow 1.5m3/h；
(9) it stands: after the completion of degasification, standing 10min；
(10) cast: adjustment temperature of aluminum liquid is to 710 DEG C；
Molten aluminum flows into degasification tank along chute by molten aluminum dewatering outlet from alloying furnace when casting, and degasification tank is equipped with birotor
GBF getter carries out the online degasification of overall process, and getter revolving speed sets 400RPM, nitrogen flow 15LPM, by molten aluminum air content control
System is in 0.2cc/100gAl；
Molten aluminum flows into filtering ponds from degasification tank again, and filtering ponds are equipped with 20ppi foamed ceramic filter plate, pass through mechanical stop
Impurity is further removed with suction-operated, purifies molten aluminum, can make the control of molten aluminum dregginess below 0.05；
It filters box back and flow rate of aluminium liquid control position case is set, molten aluminum inherent filtration case flows into flow rate of aluminium liquid control position case, and control position case connects
Casting machine is connect, casting machine is equipped with laser probe induction feedback device and mechanical hand of shaving automatically, forms closed loop+automatic control of shaving
System is incuded using laser probe and is fed back, and liquid level bar height is automatically adjusted, and realizes that flow rate of aluminium liquid is balanced, ingot casting is uniform in size, often
Product ingot casting weight can be controlled in 5.5 ± 0.2kg；
Line of casting uses immersion type casting system, and casting process ingot mold bottom is dipped in water, and mold temperature is kept to begin
It is in 100 DEG C eventually, 35HZ is arranged in casting rate.
After the completion of casting, when being transported to by the way that from fold ingot machine and code ingot mechanical hand, by product ingot casting code ingot pile, ingot pile is pitched
Effect area, 20 DEG C of environment temperature, natural aging time 20h.
Embodiment 3
(1) ingredient:
(2) feed intake: forklift feeding disk takes 80% remelting aluminium ingot and 60% secondary aluminium material to be added in melting chamber, fusing
Ferro-aluminum chamber furnaced is melted using 45T secondary aluminium automatically, starts to melt；Remaining remelting uses aluminium ingot to expect as cooling, remaining secondary aluminium
Material is added in waste chamber, 4 additions of remaining secondary aluminium material point, and the 12% of preceding addition secondary aluminium material total amount each three times, the 4th time
It is added the 4% of secondary aluminium material total amount.
(3) melt: fusing heating method uses regenerative combustion system, and furnace group secondary aluminium melts ferro-aluminum chamber furnaced category automatically
In high-end industrial furnace, using advanced key operation automatic control system.Furnace chamber is divided into major and minor room, and centre is isolated by furnace wall,
By the inclination of furnace body, main chamber's molten aluminum is transferred to concubine by partition wall channel, impregnates molten materials.Melting chamber fusion temperature 780
DEG C, waste chamber is preheated after secondary aluminium material is added every time, covers material and stirring, preheating time 50min, and cover material time 30min is stirred
Mix time 15min.
(4) it skims: being sufficiently stirred 2 times, each 5min claws surface scum；
(5) converter: industrial silicon being added in alloying furnace and is preheated, and molten aluminum is gone to alloying furnace, molten aluminum output is using closed
Molten aluminum pump, prevents the secondary pollution of kiln process, 750 DEG C of converter temperature of aluminum liquid, kiln process molten aluminum washes away industrial silicon
It melts；
(6) alloying: after converter, cathode copper and electrolytic manganese is added, is continuously heating to 800 DEG C, keeps 40min, protects
Stirring 5 times, each 7min during holding；
(7) refining slagging-off: after the completion of alloying, reserved cooling material is added, temperature is adjusted to 750 DEG C, with indifferent gas
Body is carrier, and the graininess refining agent of aluminium material 1 ‰ is blown into molten aluminum surface, so that it is covered entire molten bath, 15min is sufficiently stirred,
5min is stood, dross is clawed；
(8) it refines degasification: 750 DEG C of temperature of aluminum liquid, being harrowed using four pipe degasification and inert gas is blown into inside molten aluminum, four pipes remove
Gas rake is moved repeatedly with " M " type motion profile, and drag head is apart from furnace bottom 100mm, gas pressure 0.4Mpa, flow 1.5m3/h；
(9) it stands: after the completion of degasification, standing 20min；
(10) cast: adjustment temperature of aluminum liquid is to 720 DEG C；
Molten aluminum flows into degasification tank along chute by molten aluminum dewatering outlet from alloying furnace when casting, and degasification tank is equipped with birotor
GBF getter carries out the online degasification of overall process, and getter revolving speed sets 440RPM, nitrogen flow 25LPM, by molten aluminum air content control
System is in 0.2cc/100gAl；
Molten aluminum flows into filtering ponds from degasification tank again, and filtering ponds are equipped with 20ppi foamed ceramic filter plate, pass through mechanical stop
Impurity is further removed with suction-operated, purifies molten aluminum, can make the control of molten aluminum dregginess below 0.05；
It filters box back and flow rate of aluminium liquid control position case is set, molten aluminum inherent filtration case flows into flow rate of aluminium liquid control position case, and control position case connects
Casting machine is connect, casting machine is equipped with laser probe induction feedback device and mechanical hand of shaving automatically, forms closed loop+automatic control of shaving
System is incuded using laser probe and is fed back, and liquid level bar height is automatically adjusted, and realizes that flow rate of aluminium liquid is balanced, ingot casting is uniform in size, often
Product ingot casting weight can be controlled in 5.5 ± 0.2kg；
Line of casting uses immersion type casting system, and casting process ingot mold bottom is dipped in water, and mold temperature is kept to begin
It is in 150 DEG C eventually, 35HZ is arranged in casting rate.
After the completion of casting, when being transported to by the way that from fold ingot machine and code ingot mechanical hand, by product ingot casting code ingot pile, ingot pile is pitched
Effect area, 25 DEG C of environment temperature, natural aging time 20h.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (9)
1. a kind of high intensity hypoeutectic Al-Si-Cu alloy production technique, it is characterised in that: the following steps are included:
(1) ingredient: remelting aluminium ingot 16-23wt%, secondary aluminium material 70-75wt%, industrial silicon 5-8wt%, cathode copper 1.5-
2wt%, electrolytic manganese 0.05-0.2wt%；
(2) it feeds intake: taking 80% remelting aluminium ingot and 60% secondary aluminium material to be added in melting chamber, start to melt；Remaining remelting aluminium
Ingot is added as cooling material, remaining secondary aluminium material in waste chamber in batches, and the 8-12% of secondary aluminium material total amount is added every time；
(3) melt: 760-780 DEG C of melting chamber fusion temperature of adjustment, waste chamber are preheated after secondary aluminium material is added every time, cover material
And stirring, preheating time 30-50min, cover material time 20-30min, mixing time 10-15min；
(4) it skims: being sufficiently stirred after the completion of melting, surface scum is clawed；
(5) converter: industrial silicon is added in alloying furnace and is preheated, molten aluminum is gone into alloying furnace, 740-750 DEG C of converter temperature of aluminum liquid；
(6) alloying: after converter, being added cathode copper and electrolytic manganese, be continuously heating to 780-800 DEG C, keep 20-40min,
It is sufficiently stirred during heat preservation；
(7) refining slagging-off: after the completion of alloying, reserved cooling material is added, temperature is adjusted to 730 DEG C -750 DEG C, with inertia
Gas is carrier, is blown into refining agent to molten aluminum surface, and refining agent dosage is the 1 ‰ of aluminium material weight, so that it is covered entire molten bath, fills
After dividing stirring and standing, dross is clawed；
(8) refine degasification: 730-750 DEG C of temperature of aluminum liquid, being harrowed using degasification and inert gas is blown into inside molten aluminum, degasification rake with
" M " type motion profile is moved repeatedly, and drag head is apart from furnace bottom 100mm, gas pressure 0.4Mpa, flow 1.5m3/h；
(9) it stands: after the completion of degasification, standing 10-20min；
(10) cast: adjustment temperature of aluminum liquid carries out after line degasification, filtering to 710-720 DEG C, casting.
2. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that in step
Suddenly in (1), the following raw material of components by weight percentage, remelting aluminium ingot 20.7%, secondary aluminium material 71.4%, industrial silicon 6.1%,
Cathode copper 1.8%, electrolytic manganese 0.1%.
3. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that in step
Suddenly it in (5), is pumped using closed molten aluminum and molten aluminum is gone into alloying furnace.
4. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that in step
Suddenly in (8), the degasification rake is that four pipe degasification are harrowed.
5. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that in step
Suddenly in (10), the online degasification specifically: molten aluminum flows into degasification tank along chute by molten aluminum dewatering outlet from alloying furnace when casting,
Degasification tank is equipped with birotor GBF getter and carries out the online degasification of overall process, and getter revolving speed sets 400-440RPM, nitrogen stream
15-25LPM is measured, molten aluminum air content is controlled in 0.2cc/100gAl.
6. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that in step
Suddenly in (10), the filtering specifically: molten aluminum flows into filtering ponds from degasification tank again, and filtering ponds are equipped with 20ppi foamed ceramics mistake
Filter plate further removes impurity by mechanical stop and suction-operated, purifies molten aluminum, make the control of molten aluminum dregginess 0.05 with
Under.
7. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that in step
Suddenly in (10), the casting specifically: flow rate of aluminium liquid control position case is arranged in filtering box back, and molten aluminum inherent filtration case flows into flow rate of aluminium liquid
Position case is controlled, control position case connects casting machine, and casting machine is equipped with laser probe induction feedback device and mechanical hand of shaving automatically, formation are closed
Ring+automatic control system of shaving is incuded using laser probe and is fed back, and liquid level bar height is automatically adjusted.
8. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that in step
Suddenly in (10), casting line uses immersion type casting system, and casting process ingot mold bottom is dipped in water, keeps mold temperature
100-150 DEG C, 35HZ is arranged in casting rate.
9. a kind of high-intensitive hypoeutectic Al-Si-Cu alloy production technique according to claim 1, which is characterized in that casting
After the completion, by the way that from fold ingot machine and code ingot mechanical hand, by product ingot casting code ingot pile, ingot pile fork is transported to timeliness area, environment temperature
20-25 DEG C, natural aging time 20h.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825730A (en) * | 2019-03-20 | 2019-05-31 | 辽宁伊菲科技股份有限公司 | A kind of preparation method casting secondary aluminium alloy melt |
| CN111254325A (en) * | 2020-01-22 | 2020-06-09 | 保定隆达铝业有限公司 | High-performance aluminum alloy for casting thin-wall structural part and preparation method thereof |
| CN112176200A (en) * | 2020-09-01 | 2021-01-05 | 帅翼驰(上海)铝合金设备有限公司 | Recycling production process of aluminum die-casting waste |
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| CN112176200A (en) * | 2020-09-01 | 2021-01-05 | 帅翼驰(上海)铝合金设备有限公司 | Recycling production process of aluminum die-casting waste |
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