CN107083504B - The preparation method of aluminium alloy wheel hub - Google Patents
The preparation method of aluminium alloy wheel hub Download PDFInfo
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- CN107083504B CN107083504B CN201710288609.7A CN201710288609A CN107083504B CN 107083504 B CN107083504 B CN 107083504B CN 201710288609 A CN201710288609 A CN 201710288609A CN 107083504 B CN107083504 B CN 107083504B
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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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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of preparation methods of aluminium alloy wheel hub, comprising: Step 1: carrying out melting once to aluminium ingot forms a molten aluminum, melting once temperature is 800-850 DEG C, and the melting once time is 20-30min；Step 2: slag-cleaning agent is added into a molten aluminum, the mass ratio of slag-cleaning agent and aluminium ingot is 0.3-0.5:1000 parts, carries out secondary smelting later, and secondary smelting temperature is 600-650 DEG C, and the secondary smelting time is 3-5h, stands deslagging later；It is refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, refining temperature is 700-730 DEG C, refining time 20-40min；Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.Present invention reduces the contents of hydrogen content and field trash in molten aluminum, to improve the mobility and solidification shrinkage of aluminium alloy, and then preparation-obtained aluminium alloy wheel hub are avoided to form pin hole and cinder hole.
Description
Technical field
The present invention relates to metal material field more particularly to a kind of preparation methods of aluminium alloy wheel hub.
Background technique
The processing method of existing aluminium alloy wheel hub includes: the molten refined, casting and forming and machining of aluminium ingot.Melting
The quality of molten aluminum after refining directly determines the quality of aluminium alloy wheel hub, the quality of molten aluminum mainly by molten aluminum hydrogen content and
The content of field trash is determined in molten aluminum.The content of field trash determines aluminium alloy wheel hub table in hydrogen content and molten aluminum in molten aluminum
Shrinkage when the pin hole situation in face, the mobility of molten aluminum and solidification.
But the content of hydrogen content and field trash in existing molten aluminum is generally higher, directly affects aluminium alloy wheel hub
Quality, leads to the low qualified of aluminium alloy wheel hub, and then increases production cost.
Summary of the invention
In view of the above technical problems, the present invention has designed and developed a kind of preparation method of aluminium alloy wheel hub, eventually for system
It is lower to make hydrogen content and inclusion content in the molten aluminum of aluminium alloy wheel hub, thus guarantee that aluminium alloy wheel hub is pin-free and cinder hole, knot
Structure stable homogeneous.
Technical solution provided by the invention are as follows:
A kind of preparation method of aluminium alloy wheel hub, comprising:
Step 1: carrying out melting once to aluminium ingot forms a molten aluminum, melting once temperature is 800-850 DEG C, primary molten
The refining time is 20-30min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, Mg 0.2-0.4
Part, 0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.2-0.4:0.2-0.4, the matter of the slag-cleaning agent and the aluminium ingot
Amount carries out secondary smelting than being 0.3-0.5:1000 part later, and secondary smelting temperature is 600-650 DEG C, and the secondary smelting time is
3-5h stands deslagging later；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.3-0.5:1000 parts, and refining temperature is 700-730 DEG C, and refining time is
20-40min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 1, melting once temperature is 850
DEG C, the melting once time is 30min.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 2, sodium chloride, potassium chloride and carbon
The mass ratio of sour sodium is 1:0.4:0.4, and the mass ratio of the slag-cleaning agent and the aluminium ingot is 0.5:1000 parts.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 2, secondary smelting temperature is 650
DEG C, the secondary smelting time is 5h.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 3, the refining agent and the aluminium
The mass ratio of ingot is 0.5:1000 parts.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 3, refining temperature is 730 DEG C, essence
The refining time is 40min.
The preparation method of aluminium alloy wheel hub of the present invention is reduced most by being studied technological parameter and being designed
The content of hydrogen content and field trash in whole molten aluminum to improve the mobility and solidification shrinkage of aluminium alloy, and then avoids
Preparation-obtained aluminium alloy wheel hub forms pin hole and cinder hole, makes its structure stable homogeneous, prolongs its service life.
Specific embodiment
The present invention is described in further detail below, to enable those skilled in the art's refer to the instruction text being capable of evidence
To implement.
The present invention provides a kind of preparation method of aluminium alloy wheel hub, comprising:
Step 1: carrying out melting once to aluminium ingot forms a molten aluminum, melting once temperature is 800-850 DEG C, primary molten
The refining time is 20-30min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, Mg 0.2-0.4
Part, 0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.2-0.4:0.2-0.4, the matter of the slag-cleaning agent and the aluminium ingot
Amount carries out secondary smelting than being 0.3-0.5:1000 part later, and secondary smelting temperature is 600-650 DEG C, and the secondary smelting time is
3-5h stands deslagging later；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.3-0.5:1000 parts, and refining temperature is 700-730 DEG C, and refining time is
20-40min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
The present invention first carries out melting once to aluminium ingot, and the temperature of melting once carries out at relative to higher temperature,
And continue for some time, to promote gas therein to be discharged；A backward molten aluminum in slag-cleaning agent is added, then carry out secondary molten
Refining, the secondary smelting time is longer, and during secondary smelting, slag-cleaning agent is sufficiently acted on, and removes and is mingled with contained in secondary molten aluminum
Object.In refining link, the dosage of refining temperature precise time and refining agent is accurately controlled, to promote refining agent sufficiently to act on,
Remove field trash and hydrogen.The present invention improves the mobility and solidification shrinkage of final molten aluminum, avoids preparing aluminium alloy wheel hub
When generate pin hole and cinder hole.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 1, melting once temperature is 850
DEG C, the melting once time is 30min.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 2, sodium chloride, potassium chloride and carbon
The mass ratio of sour sodium is 1:0.4:0.4, and the mass ratio of the slag-cleaning agent and the aluminium ingot is 0.5:1000 parts.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 2, secondary smelting temperature is 650
DEG C, the secondary smelting time is 5h.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 3, the refining agent and the aluminium
The mass ratio of ingot is 0.5:1000 parts.
Preferably, in the preparation method of the aluminium alloy wheel hub, in the step 3, refining temperature is 730 DEG C, essence
The refining time is 40min.
Embodiment one
Step 1: carrying out melting once to aluminium ingot 1000kg forms a molten aluminum, melting once temperature is 800 DEG C, once
Smelting time is 20min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, 0.2-0.4 parts of Mg,
0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.2:0.2, and the mass ratio of the slag-cleaning agent and the aluminium ingot is
0.3:1000 parts, secondary smelting is carried out later, and secondary smelting temperature is 600 DEG C, and the secondary smelting time is 3h, later the row of standing
Slag；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.3:1000 parts, and refining temperature is 700 DEG C, refining time 20min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
Embodiment two
Step 1: carrying out melting once to aluminium ingot 1000kg forms a molten aluminum, melting once temperature is 850 DEG C, once
Smelting time is 30min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, 0.2-0.4 parts of Mg,
0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.4:0.4, and the mass ratio of the slag-cleaning agent and the aluminium ingot is
0.5:1000 parts, secondary smelting is carried out later, and secondary smelting temperature is 650 DEG C, and the secondary smelting time is 5h, later the row of standing
Slag；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.5:1000 parts, and refining temperature is 730 DEG C, refining time 40min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
Embodiment three
Step 1: carrying out melting once to aluminium ingot 1000kg forms a molten aluminum, melting once temperature is 800 DEG C, once
Smelting time is 30min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, 0.2-0.4 parts of Mg,
0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.4:0.4, and the mass ratio of the slag-cleaning agent and the aluminium ingot is
0.5:1000 parts, secondary smelting is carried out later, and secondary smelting temperature is 620 DEG C, and the secondary smelting time is 5h, later the row of standing
Slag；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.5:1000 parts, and refining temperature is 710 DEG C, refining time 40min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
Example IV
Step 1: carrying out melting once to aluminium ingot 1000kg forms a molten aluminum, melting once temperature is 820 DEG C, once
Smelting time is 30min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, 0.2-0.4 parts of Mg,
0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.2:0.2, and the mass ratio of the slag-cleaning agent and the aluminium ingot is
0.3:1000 parts, secondary smelting is carried out later, and secondary smelting temperature is 600 DEG C, and the secondary smelting time is 3h, later the row of standing
Slag；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.3:1000 parts, and refining temperature is 700 DEG C, refining time 25min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
Embodiment five
Step 1: carrying out melting once to aluminium ingot 1000kg forms a molten aluminum, melting once temperature is 820 DEG C, once
Smelting time is 25min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, 0.2-0.4 parts of Mg,
0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.4:0.4, and the mass ratio of the slag-cleaning agent and the aluminium ingot is
0.3:1000 parts, secondary smelting is carried out later, and secondary smelting temperature is 650 DEG C, and the secondary smelting time is 5h, later the row of standing
Slag；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.5:1000 parts, and refining temperature is 730 DEG C, refining time 40min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
Embodiment six
Step 1: carrying out melting once to aluminium ingot 1000kg forms a molten aluminum, melting once temperature is 850 DEG C, once
Smelting time is 30min, and the aluminium ingot includes following following component according to the mass fraction: 8-9 parts of Si, 0.2-0.4 parts of Mg,
0.02-0.04 parts of Ti, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate,
In, the mass ratio of sodium chloride, potassium chloride and sodium carbonate is 1:0.3:0.3, and the mass ratio of the slag-cleaning agent and the aluminium ingot is
0.5:1000 parts, secondary smelting is carried out later, and secondary smelting temperature is 650 DEG C, and the secondary smelting time is 5h, later the row of standing
Slag；
It being refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite,
The mass ratio of the refining agent and the aluminium ingot is 0.4:1000 parts, and refining temperature is 700 DEG C, refining time 20min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
Table 1 provides embodiment one field trash and hydrogen content into embodiment six, while the solidification for giving final molten aluminum is received
Contracting and mobility.
Table 1
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (1)
1. a kind of preparation method of aluminium alloy wheel hub characterized by comprising
Step 1: carrying out melting once to aluminium ingot forms a molten aluminum, melting once temperature is 850 DEG C, and the melting once time is
30min, the aluminium ingot include following following component according to the mass fraction: 8-9 parts of Si, 0.2-0.4 parts of Mg, and Ti 0.02-
0.04 part, 0.03-0.05 parts of Fe, 0.01-0.02 parts of Cu, 0.01-0.02 parts of Zn, remaining is Al；
Step 2: slag-cleaning agent is added into a molten aluminum, the slag-cleaning agent includes sodium chloride, potassium chloride and sodium carbonate, wherein chlorine
Change the mass ratio of sodium, potassium chloride and sodium carbonate as 1:0.4:0.4, the mass ratio of the slag-cleaning agent and the aluminium ingot is 0.5:1000
Part, secondary smelting is carried out later, and secondary smelting temperature is 650 DEG C, and the secondary smelting time is 5h, stands deslagging later；
It is refined Step 3: refining agent is added into the secondary molten aluminum through deslagging again, the refining agent is cryolite, described
The mass ratio of refining agent and the aluminium ingot is 0.5:1000 parts, and refining temperature is 730 DEG C, refining time 40min；
Step 4: aluminium alloy wheel hub is made using the casting of molten aluminum made from step 3.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368240A (en) * | 2008-08-28 | 2009-02-18 | 华泰铝轮毂（泰安）有限公司 | Novel aluminum alloy |
| CN101514420A (en) * | 2009-04-13 | 2009-08-26 | 清华大学 | Aluminum alloy for automobile wheel hub |
| CN103060585A (en) * | 2012-12-14 | 2013-04-24 | 威瑞泰科技发展(宁波)有限公司 | Smelting method for Al-Mg-Mn-Cu-Ti aluminum alloy |
| CN103146961A (en) * | 2013-03-08 | 2013-06-12 | 河南省银湖铝业有限责任公司巩义分公司 | Alloy ingot for automotive hub and production method thereof |
| CN104818398A (en) * | 2015-03-23 | 2015-08-05 | 芜湖黄燕实业有限公司 | Aluminum alloy for wheel hub and preparation method thereof, and aluminum alloy wheel hub |
| CN105525157A (en) * | 2016-02-17 | 2016-04-27 | 苏州华冲精密机械有限公司 | Aluminum alloy automobile hub casting process |
| CN105925824A (en) * | 2016-06-24 | 2016-09-07 | 芜湖黄燕实业有限公司 | Aluminum alloy hub and preparation method thereof |
-
2017
- 2017-04-27 CN CN201710288609.7A patent/CN107083504B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368240A (en) * | 2008-08-28 | 2009-02-18 | 华泰铝轮毂（泰安）有限公司 | Novel aluminum alloy |
| CN101514420A (en) * | 2009-04-13 | 2009-08-26 | 清华大学 | Aluminum alloy for automobile wheel hub |
| CN103060585A (en) * | 2012-12-14 | 2013-04-24 | 威瑞泰科技发展(宁波)有限公司 | Smelting method for Al-Mg-Mn-Cu-Ti aluminum alloy |
| CN103146961A (en) * | 2013-03-08 | 2013-06-12 | 河南省银湖铝业有限责任公司巩义分公司 | Alloy ingot for automotive hub and production method thereof |
| CN104818398A (en) * | 2015-03-23 | 2015-08-05 | 芜湖黄燕实业有限公司 | Aluminum alloy for wheel hub and preparation method thereof, and aluminum alloy wheel hub |
| CN105525157A (en) * | 2016-02-17 | 2016-04-27 | 苏州华冲精密机械有限公司 | Aluminum alloy automobile hub casting process |
| CN105925824A (en) * | 2016-06-24 | 2016-09-07 | 芜湖黄燕实业有限公司 | Aluminum alloy hub and preparation method thereof |
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