CN108330363A - A kind of front-axle beam casting technique of steering axle of automobile - Google Patents
A kind of front-axle beam casting technique of steering axle of automobile Download PDFInfo
- Publication number
- CN108330363A CN108330363A CN201810068662.0A CN201810068662A CN108330363A CN 108330363 A CN108330363 A CN 108330363A CN 201810068662 A CN201810068662 A CN 201810068662A CN 108330363 A CN108330363 A CN 108330363A
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- Prior art keywords
- casting
- axle
- automobile
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- rare earth
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of front-axle beam casting technique of steering axle of automobile, the raw material of the steeraxle front-axle beam is according to following weight percentage dispensing：Mg：0.22‑0.38%、Cu：1.2‑2.4%、Cr：0.1‑0.3%、Mn：0.2‑0.44%、Si：0.3‑0.6%、Ni：0.08‑0.12%、Ti：0.08‑0.12%、Li：0.3 0.52%, nano silicon carbide:0.4 0.6%, rare earth elements RE:0.8 1.0%, surplus Al.The preceding beam strength of the steering axle of automobile of the present invention is high, corrosion resistance is good, service life is long.
Description
Technical field
The present invention relates to steering axle of automobile technical field more particularly to a kind of front-axle beam casting techniques of steering axle of automobile.
Background technology
Steeraxle refers to the vehicle bridge for undertaking steering task.Steeraxle is usually located at automobile front, therefore also commonly referred to as preceding bridge.
The steeraxle structure of a variety of models is essentially identical, mainly by front-axle beam, knuckle composition.It makes both ends using the knuckle in vehicle bridge
Wheel deflect certain angle, to realize the steering of automobile.Front-axle beam is also known as front axle, is the main body of steeraxle.Due to steeraxle
In addition to the vertical load for undertaking automobile, also subject to torque caused by longitudinal force and lateral force and these power, so the machinery of front-axle beam
Performance directly affects stability and the safety of vehicle traveling.How a kind of aluminium alloy automobile that mechanical performance excellent turn is designed
Casting technique to bridge front-axle beam is the technical problems to be solved by the invention.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of aluminium alloy automobile steeraxle front-axle beams that mechanical performance is excellent
Casting technique.
The present invention is realized by following technological means solves above-mentioned technical problem：
A kind of front-axle beam casting technique of steering axle of automobile, includes the following steps：
（1）By raw material according to following weight percentage dispensing：By raw material according to following weight percentage dispensing：Mg：0.22-
0.38%、Cu：1.2-2.4%、Cr：0.1-0.3%、Mn：0.2-0.44%、Si：0.3-0.6%、Ni：0.08-0.12%、Ti：0.08-
0.12%、Li：0.3-0.52%, nano silicon carbide:0.4-0.6%, rare earth elements RE:0.8-1.0%, surplus Al；
（2）Each raw material is put into smelting furnace, heating makes raw material all melt, and refining agent then is added at 760-780 DEG C, removes
Miscellaneous refining simultaneously carries out degasification, stands 15-18 minutes after refining degasification, then carries out taking off Slag treatment；
（3）Cast：Pouring temperature is 730-740 DEG C, and casting die is metal type dies or resin bonded sand mould mold, metal type dies
Preheating temperature is 260-280 DEG C, casting time 12-15 seconds；
（4）Gained casting is cooled to room temperature, then 540-550 DEG C is warming up to the speed of 100-110 DEG C/h, then in 80-85
DEG C quenching-in water, the cool time be 8-9 minutes, it is small that quenched casting is put into 180-190 DEG C of low temperature oven timeliness 3-4
When, it takes out, is cooled to room temperature.
Preferably, the front-axle beam casting technique of a kind of steering axle of automobile, the rare earth elements RE are single rare earth
Element or more than one mixed rare-earth elements.
Preferably, the front-axle beam casting technique of a kind of steering axle of automobile, the refining agent are carbon trichloride, are added
Amount is the 0.6-0.8% of alloy liquid quality.
The advantage of the invention is that：The present invention is matched by using copper, manganese, aluminium, helps to improve the mobility of melt
And casting character, crystal grain is refined, and the corrosion stability of casting is improved using manganese element, while shielding impurity iron, has reduced iron
Illeffects；Using rare earth elements RE, degasification, slagging-off, purification, crystal grain thinning and metamorphism are played in casting process,
Improve the mechanical property and corrosion resistance of casting；Elemental lithium is acted on aluminium element, and Al can be formed in casting process2Li3、AlLi5
Deng 5 kinds of metallic compounds, it is distributed in matrix crystal boundary in disperse phase, improves the room temperature and elevated temperature strength of casting；In addition, the present invention
Casting technique uses rational pouring temperature and the duration of pouring, and gained casting is carried out solid melt processed with timely after cast
Effect processing, the rationally solid fusion temperature of setting, time and aging temp, time so that casting further improve intensity and
Corrosion resistance, and then improve the service life of casting.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in the embodiment of the present invention
Technical solution is clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of embodiment 1, front-axle beam casting technique of steering axle of automobile, includes the following steps：
（1）By raw material according to following weight percentage dispensing：By raw material according to following weight percentage dispensing：Mg：
0.22%、Cu：1.2%、Cr：0.1%、Mn：0.2%、Si：0.3%、Ni：0.08%、Ti：0.08%、Li：0.3%, nano silicon carbide:
0.4%, rare earth elements RE:0.8%, surplus Al；
（2）Each raw material is put into smelting furnace, heating makes raw material all melt, and refining agent, removal of impurities essence are then added at 760 DEG C
Degasification is refined and carried out, 15 minutes is stood after refining degasification, then carries out taking off Slag treatment；
（3）Cast：Pouring temperature is 730 DEG C, and casting die is metal type dies or resin bonded sand mould mold, metal type dies preheating
Temperature is 260 DEG C, casting time 12s；
（4）Gained casting is cooled to room temperature, then 540 DEG C are warming up to the speed of 100 DEG C/h, is then quenched in 80 DEG C of water
Fire, cool time are 8 minutes, and quenched casting is put into 180 DEG C of low temperature oven timeliness 3 hours, take out, are cooled to room
Temperature.
Preferably, the rare earth elements RE is La, Nd, Pr mischmetal.
Preferably, the refining agent is carbon trichloride, and addition is the 0.6% of alloy liquid quality.
A kind of embodiment 2, front-axle beam casting technique of steering axle of automobile, includes the following steps：
（1）By raw material according to following weight percentage dispensing：By raw material according to following weight percentage dispensing：Mg：0.3%、
Cu：1.8%、Cr：0.2%、Mn：0.33%、Si：0.4%、Ni：0.1%、Ti：0.1%、Li：0.4%, nano silicon carbide:0.5%, rare earth member
Plain RE:0.9%, surplus Al；
（2）Each raw material is put into smelting furnace, heating makes raw material all melt, and refining agent, removal of impurities essence are then added at 770 DEG C
Degasification is refined and carried out, 17 minutes is stood after refining degasification, then carries out taking off Slag treatment；
（3）Cast：Pouring temperature is 735 DEG C, and casting die is metal type dies or resin bonded sand mould mold, metal type dies preheating
Temperature is 270 DEG C, casting time 14 seconds；
（4）Gained casting is cooled to room temperature, then 545 DEG C are warming up to the speed of 105 DEG C/h, is then quenched in 82 DEG C of water
Fire, cool time are 9 minutes, and quenched casting is put into 185 DEG C of low temperature oven timeliness 3.5 hours, take out, are cooled to room
Temperature.
Preferably, the rare earth elements RE is Y.
Preferably, the refining agent is carbon trichloride, and addition is the 0.7% of alloy liquid quality.
A kind of embodiment 3, front-axle beam casting technique of steering axle of automobile, includes the following steps：
（1）By raw material according to following weight percentage dispensing：By raw material according to following weight percentage dispensing：Mg：
0.38%、Cu：2.4%、Cr：0.3%、Mn：0.44%、Si：0.6%、Ni：0.12%、Ti：0.12%、Li：0.52%, nano silicon carbide:
0.6%, rare earth elements RE:1.0%, surplus Al；
（2）Each raw material is put into smelting furnace, heating makes raw material all melt, and refining agent, removal of impurities essence are then added at 780 DEG C
Degasification is refined and carried out, 18 minutes is stood after refining degasification, then carries out taking off Slag treatment；
（3）Cast：Pouring temperature is 740 DEG C, and casting die is metal type dies or resin bonded sand mould mold, metal type dies preheating
Temperature is 280 DEG C, casting time 15 seconds；
（4）Gained casting is cooled to room temperature, then 550 DEG C are warming up to the speed of 110 DEG C/h, is then quenched in 85 DEG C of water
Fire, cool time are 9 minutes, and quenched casting is put into 190 DEG C of low temperature oven timeliness 4 hours, take out, are cooled to room
Temperature.
Preferably, the rare earth elements RE is La, Ce mischmetal.
Preferably, the refining agent is carbon trichloride, and addition is the 0.8% of alloy liquid quality.
The present invention is matched by using copper, manganese, aluminium, helps to improve the mobility and casting character of melt, refinement
Crystal grain, and the corrosion stability of casting is improved using manganese element, while impurity iron is shielded, reduce the illeffects of iron；Using rare earth
Elements RE plays degasification, slagging-off, purification, crystal grain thinning and metamorphism in casting process, improves the mechanical property of casting
And corrosion resistance；Elemental lithium is acted on aluminium element, and Al can be formed in casting process2Li3、AlLi5Deng 5 kinds of metallic compounds, it is in
Disperse phase is distributed in matrix crystal boundary, improves the room temperature and elevated temperature strength of casting；In addition, the casting technique of the present invention is using rational
Gained casting is carried out solid melt processed and ageing treatment by pouring temperature and the duration of pouring after cast, and rationally setting is solid
Fusion temperature, time and aging temp, time so that casting further improves intensity and corrosion resistance, and then improves casting
The service life of part.
It should be noted that herein, if there are first and second or the like relational terms to be used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (3)
1. a kind of front-axle beam casting technique of steering axle of automobile, which is characterized in that include the following steps：
（1）By raw material according to following weight percentage dispensing：Mg：0.22-0.38%、Cu：1.2-2.4%、Cr：0.1-0.3%、
Mn：0.2-0.44%、Si：0.3-0.6%、Ni：0.08-0.12%、Ti：0.08-0.12%、Li：0.3-0.52%, nano silicon carbide:
0.4-0.6%, rare earth elements RE:0.8-1.0%, surplus Al；
（2）Each raw material is put into smelting furnace, heating makes raw material all melt, and refining agent then is added at 760-780 DEG C, removes
Miscellaneous refining simultaneously carries out degasification, stands 15-18 minutes after refining degasification, then carries out taking off Slag treatment；
（3）Cast：Pouring temperature is 730-740 DEG C, and casting die is metal type dies or resin bonded sand mould mold, metal type dies
Preheating temperature is 260-280 DEG C, casting time 12-15 seconds；
（4）Gained casting is cooled to room temperature, then 540-550 DEG C is warming up to the speed of 100-110 DEG C/h, then in 80-85
DEG C quenching-in water, the cool time be 8-9 minutes, it is small that quenched casting is put into 180-190 DEG C of low temperature oven timeliness 3-4
When, it takes out, is cooled to room temperature.
2. a kind of front-axle beam casting technique of steering axle of automobile according to claim 1, it is characterised in that：The rare earth member
Plain RE is Rare Earth Elements Determination or more than one mixed rare-earth elements.
3. a kind of front-axle beam casting technique of steering axle of automobile according to claim 1, it is characterised in that：The refining agent
For carbon trichloride, addition is the 0.6-0.8% of alloy liquid quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068662.0A CN108330363A (en) | 2018-01-24 | 2018-01-24 | A kind of front-axle beam casting technique of steering axle of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068662.0A CN108330363A (en) | 2018-01-24 | 2018-01-24 | A kind of front-axle beam casting technique of steering axle of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108330363A true CN108330363A (en) | 2018-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810068662.0A Pending CN108330363A (en) | 2018-01-24 | 2018-01-24 | A kind of front-axle beam casting technique of steering axle of automobile |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5514305A (en) * | 1978-07-11 | 1980-01-31 | Taiho Kogyo Co Ltd | Compound slide material |
| US20040071586A1 (en) * | 1998-06-24 | 2004-04-15 | Rioja Roberto J. | Aluminum-copper-magnesium alloys having ancillary additions of lithium |
| CN103484731A (en) * | 2013-08-12 | 2014-01-01 | 安徽环宇铝业有限公司 | Aluminum alloy for automobile wheel hubs and preparation method thereof |
| CN103773997A (en) * | 2014-01-02 | 2014-05-07 | 河南科技大学 | Instrument grade silicon carbide reinforced aluminum matrix composite for aviation and preparation method thereof |
| CN105177364A (en) * | 2015-06-29 | 2015-12-23 | 安徽越天特种车桥有限公司 | Nano molybdenum carbide doped composite aluminum alloy automobile part high in thermal stability and casting process thereof |
| CN105177362A (en) * | 2015-06-29 | 2015-12-23 | 安徽越天特种车桥有限公司 | High-strength composite aluminum alloy automobile part mixed with nano titanium carbide powder and casting technology of high-strength composite aluminum alloy automobile part |
| CN106048338A (en) * | 2016-07-13 | 2016-10-26 | 安徽瑞林汽配有限公司 | Aluminium-matrix composite material for wear-resistant slide bearing |
| CN107130151A (en) * | 2017-04-19 | 2017-09-05 | 安徽固齐线路器材有限公司 | A kind of pre-hinged catenarian cable cleat high intensity wear-resistant aluminium alloy and its casting technique |
-
2018
- 2018-01-24 CN CN201810068662.0A patent/CN108330363A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5514305A (en) * | 1978-07-11 | 1980-01-31 | Taiho Kogyo Co Ltd | Compound slide material |
| US20040071586A1 (en) * | 1998-06-24 | 2004-04-15 | Rioja Roberto J. | Aluminum-copper-magnesium alloys having ancillary additions of lithium |
| CN103484731A (en) * | 2013-08-12 | 2014-01-01 | 安徽环宇铝业有限公司 | Aluminum alloy for automobile wheel hubs and preparation method thereof |
| CN103773997A (en) * | 2014-01-02 | 2014-05-07 | 河南科技大学 | Instrument grade silicon carbide reinforced aluminum matrix composite for aviation and preparation method thereof |
| CN105177364A (en) * | 2015-06-29 | 2015-12-23 | 安徽越天特种车桥有限公司 | Nano molybdenum carbide doped composite aluminum alloy automobile part high in thermal stability and casting process thereof |
| CN105177362A (en) * | 2015-06-29 | 2015-12-23 | 安徽越天特种车桥有限公司 | High-strength composite aluminum alloy automobile part mixed with nano titanium carbide powder and casting technology of high-strength composite aluminum alloy automobile part |
| CN106048338A (en) * | 2016-07-13 | 2016-10-26 | 安徽瑞林汽配有限公司 | Aluminium-matrix composite material for wear-resistant slide bearing |
| CN107130151A (en) * | 2017-04-19 | 2017-09-05 | 安徽固齐线路器材有限公司 | A kind of pre-hinged catenarian cable cleat high intensity wear-resistant aluminium alloy and its casting technique |
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Application publication date: 20180727 |