CN111910094A - Preparation process of aluminum alloy for high-elongation gear box - Google Patents
Preparation process of aluminum alloy for high-elongation gear box Download PDFInfo
- Publication number
- CN111910094A CN111910094A CN202010702348.0A CN202010702348A CN111910094A CN 111910094 A CN111910094 A CN 111910094A CN 202010702348 A CN202010702348 A CN 202010702348A CN 111910094 A CN111910094 A CN 111910094A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- weight
- aluminum
- elongation
- casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910017143 AlSr Inorganic materials 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000007872 degassing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims 6
- 230000002950 deficient Effects 0.000 abstract description 4
- 238000010009 beating Methods 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/005—Removing slag from a molten metal surface
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a preparation process of an aluminum alloy for a high-elongation gear box, which comprises the following process steps: firstly, melting an aluminum ingot into casting liquid; adding Mg, Al-Ti-B and AlSr into the casting liquid10(ii) a Then removing gas and impurities in the casting liquid; finally, performing slag removal and pouring on the pouring liquid to obtain the aluminum alloy for the high-elongation gear box; wherein the aluminum ingot is ZL101A aluminum alloy; mg accounts for 0.04-0.06% of the weight of the aluminum ingot, Al-Ti-B accounts for 0.12-0.2% of the weight of the aluminum ingot, and AlSr accounts for10The weight of the aluminum ingot is 0.004-0.006% of the weight of the aluminum ingot. The invention can improve the tensile strength and the elongation percentage of the prepared product, further reduce the defective rate of the product and improve the product in actual operationService life and driving safety.
Description
Technical Field
The invention relates to a preparation process of an aluminum alloy for a high-elongation gear box.
Background
Concentrated power 7200KW aluminum alloy gear box is railway B class product, belongs to key spare part, and the tensile strength of the aluminum alloy for the gear box that traditional technology produced is at 270Mpa, and the percentage elongation is about 2%, if the percentage elongation is less than 2%, then can cause the product to scrap, and the product can appear crackle in operation even, and then causes serious oil leak consequence.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a preparation process of an aluminum alloy for a high-elongation gear box, which can improve the tensile strength and the elongation of the prepared product, further reduce the defective rate of the product and improve the service life and the driving safety of the product in actual operation.
In order to solve the technical problems, the technical scheme of the invention is as follows: a preparation process of an aluminum alloy for a high-elongation gear box comprises the following process steps:
firstly, melting an aluminum ingot into casting liquid;
adding Mg, Al-Ti-B and AlSr into the casting liquid10；
Then removing gas and impurities in the casting liquid;
finally, performing slag removal and pouring on the pouring liquid to obtain the aluminum alloy for the high-elongation gear box; wherein,
the aluminum ingot is ZL101A aluminum alloy;
mg accounts for 0.04-0.06% of the weight of the aluminum ingot, Al-Ti-B accounts for 0.12-0.2% of the weight of the aluminum ingot, and AlSr accounts for10The weight of the aluminum ingot is 0.004-0.006% of the weight of the aluminum ingot.
Further, the weight of Mg was 0.04% of the weight of the aluminum ingot, and the weight of Al-Ti-B was 0.15% of the weight of the aluminum ingot.
Further, when the aluminum ingot is melted to 710-730 ℃, Mg, Al-Ti-B and AlSr are added into the casting liquid10。
And further, removing gas and impurities in the pouring liquid through an argon degassing machine, and stirring for 10-15 min.
And further, carrying out slagging treatment on the casting liquid by adopting a slag ladle.
Further, the casting process is performed in a casting machine.
Furthermore, the tensile strength of the aluminum alloy for the high-elongation gear box is more than or equal to 290MPa, and the elongation is more than or equal to 4%.
After the technical scheme is adopted, the aluminum ingot adopts ZL101A aluminum alloy, and Mg, Al-Ti-B and AlSr added in the preparation process are changed10The timing of adding is precisely controlled, so that the content of residual Mg, Al, Ti, B, Sr and the like in the prepared product is maintained at the optimal proportion, and impurities are containedThe method has the advantages of optimizing the performance of the prepared product, improving the tensile strength and the elongation percentage of the prepared product, reducing the defective rate of the product, prolonging the service life of the product in actual operation and improving the traffic safety.
Detailed Description
In order that the present invention may be more clearly understood, the following detailed description of the present invention is given with reference to specific examples.
Example one
Melting 800kg ZL101A aluminum alloy into a casting liquid, adding 0.32kg Mg, 0.96kg Al-Ti-B and 0.032kg AlSr into the casting liquid when melting to 710 DEG C10And removing gas and impurities in the casting liquid through an argon degassing machine, stirring for 15min, performing slag beating treatment on the casting liquid through a slag ladle, and finally transferring the casting liquid to a casting machine for casting to obtain the aluminum alloy for the high-elongation gear box.
Example two
Melting 800kg ZL101A aluminum alloy into a casting liquid, adding 0.4kg Mg, 1.28kg Al-Ti-B and 0.04kg AlSr into the casting liquid when the casting liquid is melted to 720 DEG C10And removing gas and impurities in the casting liquid through an argon degassing machine, stirring for 10min, performing slag beating treatment on the casting liquid through a slag ladle, and finally transferring the casting liquid to a casting machine for casting to obtain the aluminum alloy for the high-elongation gear box.
EXAMPLE III
Melting 800kg ZL101A aluminum alloy into a casting liquid, adding 0.48kg Mg, 1.6kg Al-Ti-B and 0.048kg AlSr when melting to 730 DEG C10And removing gas and impurities in the casting liquid through an argon degassing machine, stirring for 12min, performing slag beating treatment on the casting liquid through a slag ladle, and finally transferring the casting liquid to a casting machine for casting to obtain the aluminum alloy for the high-elongation gear box.
Example four
500kg of ZL101A aluminum alloy was melted to form a casting, and 0.2kg of Mg, 0.75kg of Al-Ti-B and 0.025kg of AlSr were added to the casting when the casting was melted to 720 ℃10Then, againAnd removing gas and impurities in the casting liquid through an argon degassing machine, stirring for 15min, then carrying out slag beating treatment on the casting liquid through a slag ladle, and finally transferring the casting liquid to a casting machine for casting to obtain the high-elongation aluminum alloy for the gear box.
Table 1 shows the tensile strength and elongation of the aluminum alloys for gear boxes prepared in the first, second, third and fourth examples and the conventional process
| Example one | Example two | EXAMPLE III | Example four | Conventional process | |
| Tensile strength (Mpa) | 291 | 297 | 293 | 300 | 270 |
| Elongation percentage | 4.11% | 4.29% | 4.28% | 4.3% | 1.97% |
TABLE 1
As can be seen from Table 1, the tensile strength of the product prepared by the process is more than or equal to 290MPa, the elongation is more than or equal to 4 percent, the performance of the product is far better than that of the product prepared by the traditional process, the aluminum ingot of the invention adopts ZL101A aluminum alloy, and Mg, Al-Ti-B and AlSr added in the preparation process are changed10The content of the Mg, the Al, the Ti, the B, the Sr and the like which are remained in the prepared product is maintained at the optimal proportion, the impurities are few, the performance of the prepared product is optimized, the tensile strength and the elongation percentage of the prepared product are improved, the defective rate of the product is reduced, the service life of the product in actual operation is prolonged, and the driving safety is improved.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A preparation process of an aluminum alloy for a high-elongation gear box is characterized in that,
the process steps comprise:
firstly, melting an aluminum ingot into casting liquid;
adding Mg, Al-Ti-B and AlSr into the casting liquid10；
Then removing gas and impurities in the casting liquid;
finally, performing slag removal and pouring on the pouring liquid to obtain the aluminum alloy for the high-elongation gear box; wherein,
the aluminum ingot is ZL101A aluminum alloy;
the weight of Mg is 0.04-0.06% of the weight of the aluminum ingot, and the weight of Al-Ti-B is the weight of the aluminum ingot0.12-0.2% of (C), AlSr10The weight of the aluminum ingot is 0.004-0.006% of the weight of the aluminum ingot.
2. The process for preparing an aluminum alloy for high elongation gear boxes according to claim 1,
the weight of Mg is 0.04% of the weight of the aluminum ingot, and the weight of Al-Ti-B is 0.15% of the weight of the aluminum ingot.
3. The process for preparing an aluminum alloy for high elongation gear boxes according to claim 1,
melting an aluminum ingot to 710-730 ℃, and adding Mg, Al-Ti-B and AlSr into the casting liquid10。
4. The process for preparing an aluminum alloy for high elongation gear boxes according to claim 1,
and removing gas and impurities in the pouring liquid through an argon degassing machine, and stirring for 10-15 min.
5. The process for preparing an aluminum alloy for high elongation gear boxes according to claim 1,
and carrying out slagging treatment on the casting liquid by adopting a slag ladle.
6. The process for preparing an aluminum alloy for high elongation gear boxes according to claim 1,
the casting process is carried out in a casting machine.
7. The process for preparing an aluminum alloy for high elongation gear boxes according to claim 1,
the tensile strength of the aluminum alloy for the high-elongation gear box is more than or equal to 290MPa, and the elongation is more than or equal to 4 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010702348.0A CN111910094A (en) | 2020-07-18 | 2020-07-18 | Preparation process of aluminum alloy for high-elongation gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010702348.0A CN111910094A (en) | 2020-07-18 | 2020-07-18 | Preparation process of aluminum alloy for high-elongation gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111910094A true CN111910094A (en) | 2020-11-10 |
Family
ID=73280059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010702348.0A Pending CN111910094A (en) | 2020-07-18 | 2020-07-18 | Preparation process of aluminum alloy for high-elongation gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111910094A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030190252A1 (en) * | 1999-09-10 | 2003-10-09 | Sigworth Geoffrey K. | Method for grain refinement of high strength aluminum casting alloys |
| CN101220431A (en) * | 2006-09-11 | 2008-07-16 | 通用汽车环球科技运作公司 | Aluminum alloy for engine components |
| CN108004440A (en) * | 2017-11-22 | 2018-05-08 | 浙江泰龙科技有限公司 | A kind of A356 aluminium alloy castingses and its heat treatment process |
| CN108467978A (en) * | 2018-03-08 | 2018-08-31 | 常州市南方驱动技术有限公司 | A kind of high ferro gear-box high performance aluminium materials and preparation method |
| CN110205525A (en) * | 2019-06-27 | 2019-09-06 | 宁波坤宸机械有限公司 | A kind of eight shaft gear case of light-weighted aluminium alloy and its low pressure metal mould casting process |
| US20190390301A1 (en) * | 2017-02-01 | 2019-12-26 | Brunel University London | Methods and process to improve mechanical properties of cast aluminum alloys at ambient temperature and at elevated temperatures |
| CN110918940A (en) * | 2019-12-18 | 2020-03-27 | 内蒙古工业大学 | Casting device and casting method for large-scale non-ferrous metal thin-wall structural part |
| CN111032897A (en) * | 2017-08-14 | 2020-04-17 | 伦敦布鲁内尔大学 | Method of forming cast aluminum alloy |
-
2020
- 2020-07-18 CN CN202010702348.0A patent/CN111910094A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030190252A1 (en) * | 1999-09-10 | 2003-10-09 | Sigworth Geoffrey K. | Method for grain refinement of high strength aluminum casting alloys |
| CN101220431A (en) * | 2006-09-11 | 2008-07-16 | 通用汽车环球科技运作公司 | Aluminum alloy for engine components |
| US20190390301A1 (en) * | 2017-02-01 | 2019-12-26 | Brunel University London | Methods and process to improve mechanical properties of cast aluminum alloys at ambient temperature and at elevated temperatures |
| CN111032897A (en) * | 2017-08-14 | 2020-04-17 | 伦敦布鲁内尔大学 | Method of forming cast aluminum alloy |
| CN108004440A (en) * | 2017-11-22 | 2018-05-08 | 浙江泰龙科技有限公司 | A kind of A356 aluminium alloy castingses and its heat treatment process |
| CN108467978A (en) * | 2018-03-08 | 2018-08-31 | 常州市南方驱动技术有限公司 | A kind of high ferro gear-box high performance aluminium materials and preparation method |
| CN110205525A (en) * | 2019-06-27 | 2019-09-06 | 宁波坤宸机械有限公司 | A kind of eight shaft gear case of light-weighted aluminium alloy and its low pressure metal mould casting process |
| CN110918940A (en) * | 2019-12-18 | 2020-03-27 | 内蒙古工业大学 | Casting device and casting method for large-scale non-ferrous metal thin-wall structural part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11859262B2 (en) | Large-sized high-Nb superalloy ingot and smelting process thereof | |
| CN109439976B (en) | Composite modification method for casting aluminum-silicon alloy | |
| CN111411247B (en) | Composite treatment method for regenerated wrought aluminum alloy melt | |
| CN110578073B (en) | Smelting method of GH4169 nickel-based alloy | |
| CN110079712B (en) | Cast high-toughness die-casting aluminum-silicon alloy and preparation method and application thereof | |
| WO2014012302A1 (en) | Method for controlling a segregation of steel ingots by purification of molten steel | |
| CN113337727B (en) | Slag for preparing high-nitrogen steel through pressurized electroslag remelting for inhibiting burning loss of magnesium and rare earth and using method thereof | |
| WO2021189621A1 (en) | S355g10+n-thickness steel plate for offshore structure and production method therefor | |
| CN111455228B (en) | High-strength and high-toughness aluminum-silicon alloy, and die-casting process preparation method and application | |
| CN109402327B (en) | External refining production method of ultrapure high-carbon chromium bearing steel | |
| CN107142384A (en) | The preparation method of high-performance aluminium alloy wheel hub | |
| JP2024506434A (en) | Method for manufacturing low carbon nitrogen containing austenitic stainless steel rod | |
| CN112481549A (en) | Preparation method of GCr15 bearing steel | |
| CN103243196A (en) | Purified smelting method of adding rare earth in intermediate frequency furnace | |
| CN113355587B (en) | High-speed steel and method for comprehensively improving as-cast structure by microalloying magnesium and rare earth and increasing solidification pressure | |
| CN111910094A (en) | Preparation process of aluminum alloy for high-elongation gear box | |
| CN116904810B (en) | High-strength and high-toughness heat-free aluminum alloy for vacuum integrated die casting and preparation method thereof | |
| CN112662922A (en) | Regenerated deformation aluminum alloy melt | |
| CN114231849B (en) | Steel for offshore wind power turntable bearing and smelting method thereof | |
| CN116083816A (en) | Steel for high-hardenability oversized petroleum equipment and production process thereof | |
| CN112795835A (en) | Method for effectively improving production efficiency of cogging finished Cr-Mo steel | |
| CN102634717B (en) | Manufacturing method for steel ingot of axle steel | |
| CN107083504B (en) | The preparation method of aluminium alloy wheel hub | |
| CN111020110A (en) | Preparation method of composite deoxidizer for steelmaking | |
| CN115323186B (en) | Process for controlling height of high-temperature alloy vacuum arc remelting ingot crown |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201110 |
|
| RJ01 | Rejection of invention patent application after publication |