CN106854708A - The production method of conductor rail aluminium alloy extrusions - Google Patents
The production method of conductor rail aluminium alloy extrusions Download PDFInfo
- Publication number
- CN106854708A CN106854708A CN201710019285.7A CN201710019285A CN106854708A CN 106854708 A CN106854708 A CN 106854708A CN 201710019285 A CN201710019285 A CN 201710019285A CN 106854708 A CN106854708 A CN 106854708A
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- CN
- China
- Prior art keywords
- conductor rail
- aluminium alloy
- production method
- alloy extrusions
- temperature
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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
- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
- C22F1/047—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 magnesium as the next major constituent
Abstract
The present invention discloses a kind of production method of conductor rail aluminium alloy extrusions, and the internal control composition of its addition includes Si0.37~0.4%, Mg 0.55~0.59%, Mn 0.0035~0.004%, Ti 0.005~0.01%, V0.0125%, Cr 0.0006%, Cu 0.003%, Zn 0.03%, Fe 0.1%, Ni 0.0045%, Zr 0.0006%, Bi 0.002%, Sn 0.001% and Ga 0.0175%.The tensile strength of the conductor rail of production reaches 221MPa, yield strength reaches 199Mpa, conductance reaches 57.06%~57.4%IACS, elongation percentage reaches more than 11%, technical parameter needed for meeting track traffic conductor rail, section bar will not produce face checking with steel plate compound tense deformation position, beneficial to the normal operation ensured after track traffic speed-raising, leading domestic pharmaceutical industry industry level.
Description
Technical field
The present invention relates to production process of aluminium section technical field, a kind of track traffic conductor rail aluminium alloy type is referred in particular to
The production method of material.
Background technology
At present, aluminum alloy section for track traffic conductor rail, its performance parameter mainly include tensile strength, yield strength,
Elongation percentage and conductance.It is well known that the tensile strength and yield strength of conductor rail aluminium alloy extrusions of the prior art
It is that contradiction is mutually deposited between elongation percentage and conductance, its tensile strength and yield strength are raised, and can make elongation percentage and conductance
Reduce, such section bar is easily producing face checking, leading to not meet power demands with steel plate compound tense deformation position, no
Beneficial to the normal operation for ensureing track traffic.
Therefore, it is necessary to while researching and developing a kind of existing higher yield strength and tensile strength, conductance can be improved again
With the production method of the steel combined with aluminum track traffic conductor rail aluminium alloy extrusions of elongation percentage, with ensure track traffic just
Often operation.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of existing yield strength and tensile strength higher, again can be higher
The production method of the conductor rail aluminium alloy extrusions of conductance and elongation percentage.
To solve the technical scheme that above-mentioned technical problem is used：A kind of production method of conductor rail aluminium alloy extrusions, its
It is characterised by：Its addition internal control composition include Si 0.37~0.4%, Mg 0.55~0.59%, Mn 0.0035~
0.004%th, T i 0.005~0.01%, V 0.0125%, Cr 0.0006%, Cu 0.003%, Zn 0.03%, Fe
0.1%th, Ni 0.0045%, Zr 0.0006%, Bi 0.002%, Sn 0.001% and Ga 0.0175%.
Further, its founding main points include smelting temperature be 730~750 DEG C, melting heater outlet temperature be 730~
740 DEG C, through chute aluminium titanium boron wire line thinning, through the mesh ceramic wafer of two-stage 60 filtering, 700~710 DEG C of crystallizing pan temperature and casting
56~59 ㎜ of speed/min.
Further, its extrusion forming process main points includes that extrusion forming temperature is 410 for 480~510 DEG C, mold temperature
~440 DEG C, recipient temperature be 400~430 DEG C, 2~3m/min of extruded velocity, press quenching quenched using the quick cooling of strong water spray
Fire and cooling velocity >=250 DEG C/min.
Further, its timeliness technology point includes 200 ± 3 DEG C and 12~13h of soaking time of aging temp.
The beneficial effect brought using the present invention：Reached using the tensile strength of the conductor rail of present invention production
221MPa, yield strength reaches 199Mpa, and conductance reaches 57.06%~57.4%IACS, and elongation percentage reaches more than 11%, full
Technical parameter needed for sufficient track traffic conductor rail, section bar will not produce face checking with steel plate compound tense deformation position, profit
Normal operation after track traffic speed-raising is ensured, leading domestic pharmaceutical industry industry level.
Specific embodiment
The main operation such as including dispensing, founding, extruding, timeliness of Production technology of aluminum alloy sectional bar.To meet track traffic steel
The technical parameter requirement of the aluminium alloy extrusions of aluminium composite conducting rail, the internal control alloying component of present invention addition includes Si 0.37
~0.4%, Mg 0.55~0.59%, Mn 0.0035~0.004%, Ti 0.005~0.01%, V 0.0115~
0.0125%th, Cr 0.005~0.0006%, Cu 0.001~0.003%, Zn 0.02~0.03%, Fe 0.08~0.1%,
Ni 0.035~0.0045%, Zr 0.0003~0.0006%, Bi 0.001~0.002%, Sn 0.0008~0.0012%
And Ga 0.017~0.0175%.The addition with the various alloying components of control, smelting, casting are calculated by the inner quality standard
And after Homogenization Treatments, form the aluminium alloy bar stock based on aluminium.The aluminium bar base cast carries out spectrum after Homogenization Treatments
Analysis, alloying component reaches inner quality standard requirement, and low power inspection has reached more than one-level crystal grain, and other defect analysis are qualified,
Into lower road extrusion forming operation, extrusion forming, press quenching, aligning and Ageing Treatment are carried out.
To ensure product quality stabilization, following technology point should be also followed：
1st, in fusion-casting process, its technology point includes that smelting temperature is 730 for 730~750 DEG C, melting heater outlet temperature
~740 DEG C, through chute aluminium titanium boron wire line thinning, through the mesh ceramic wafer of two-stage 60 filtering, 700~710 DEG C of crystallizing pan temperature and casting
Make 56~59 ㎜ of speed/min.
2nd, during extrusion forming, its technology point includes that extrusion forming temperature is 410 for 480~510 DEG C, mold temperature
~440 DEG C, recipient temperature be 400~430 DEG C, 2~3m/min of extruded velocity, press quenching quenched using the quick cooling of strong water spray
The control of fire, cooling velocity >=250 DEG C/min and straightening pull amount is between 0.4~0.6%.Mould using pressurized construction design and
Fine flow is distributed, and tissue crystal grain is further refined and uniform.
3rd, in ageing process, its technology point includes 200 ± 3 DEG C and 12~13h of soaking time of aging temp.
Implement sample detection and be reported as follows table：
Claims (4)
1. a kind of production method of conductor rail aluminium alloy extrusions, it is characterised in that：Its addition internal control composition include Si 0.37~
0.4%th, Mg 0.55~0.59%, Mn 0.0035~0.004%, Ti 0.005~0.01%, V 0.0115~0.0125%,
Cr 0.005~0.0006%, Cu 0.001~0.003%, Zn 0.02~0.03%, Fe 0.08~0.1%, Ni 0.035
~0.0045%, Zr 0.0003~0.0006%, Bi 0.001~0.002%, Sn 0.0008~0.0012% and Ga
0.017~0.0175%.
2. the production method of conductor rail aluminium alloy extrusions according to claim 1, it is characterised in that：Its founding main points
Including smelting temperature be 730~750 DEG C, melting heater outlet temperature be 730~740 DEG C, through chute aluminium titanium boron wire line thinning, warp
The filtering of the mesh ceramic wafer of two-stage 60,700~710 DEG C and 56~59 ㎜ of casting speed/min of crystallizing pan temperature.
3. the production method of conductor rail aluminium alloy extrusions according to claim 1, it is characterised in that：Its extrusion forming process
Main points are 480~510 DEG C including extrusion forming temperature, mold temperature is 410~440 DEG C, recipient temperature is 400~430 DEG C,
2~3m/min of extruded velocity, press quenching are drawn using quick Cooling Quenching of spraying water by force, cooling velocity >=250 DEG C/min and aligning
The amount of stretching is controlled between 0.4~0.6%.
4. according to the production method of any described conductor rail aluminium alloy extrusions of claim 1-3, it is characterised in that：Its timeliness work
Skill main points include 200 ± 3 DEG C and 12~13h of soaking time of aging temp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019285.7A CN106854708A (en) | 2017-01-11 | 2017-01-11 | The production method of conductor rail aluminium alloy extrusions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019285.7A CN106854708A (en) | 2017-01-11 | 2017-01-11 | The production method of conductor rail aluminium alloy extrusions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106854708A true CN106854708A (en) | 2017-06-16 |
Family
ID=59126117
Family Applications (1)
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| CN201710019285.7A Pending CN106854708A (en) | 2017-01-11 | 2017-01-11 | The production method of conductor rail aluminium alloy extrusions |
Country Status (1)
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130458A (en) * | 2017-12-18 | 2018-06-08 | 定远县宝隆机械制造有限公司 | A kind of moltening mold castings aluminium alloy formula |
| CN108220714A (en) * | 2017-12-20 | 2018-06-29 | 柳州璞智科技有限公司 | A kind of almag used for electronic packaging and preparation method thereof |
| CN108359859A (en) * | 2018-02-01 | 2018-08-03 | 深圳市华加日西林实业有限公司 | Aluminium alloy extrusions processing technology and aluminium alloy extrusions |
| CN109355536A (en) * | 2018-12-05 | 2019-02-19 | 辽宁忠旺集团有限公司 | A kind of aluminium bar bus and its production technology |
| CN111575546A (en) * | 2020-06-01 | 2020-08-25 | 山东裕航特种合金装备有限公司 | Production method of track panel induction plate for high-speed normally-conducting magnetic suspension train |
| CN112210701A (en) * | 2020-10-09 | 2021-01-12 | 美图（福建）铝业有限公司 | High-conductivity 6101B alloy extruded section and processing technology thereof |
| CN112281005A (en) * | 2020-11-18 | 2021-01-29 | 成都阳光铝制品有限公司 | Production process for effectively improving conductivity of aluminum alloy |
| CN113737066A (en) * | 2021-08-11 | 2021-12-03 | 广东华昌集团有限公司 | Aluminum conductor rail section bar and preparation method thereof |
| CN113832373A (en) * | 2021-08-11 | 2021-12-24 | 广东华昌集团有限公司 | Aluminum alloy for building bearing structure and preparation method thereof |
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| CN101805837A (en) * | 2010-04-27 | 2010-08-18 | 辽宁忠旺集团有限公司 | Manufacture method of aluminum alloy section for track traffic conductor rail |
| CN102268575A (en) * | 2011-07-20 | 2011-12-07 | 安徽欣意电缆有限公司 | Aluminum alloy material and preparation method thereof |
| CN102978472A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Bi-RE aluminum alloy, and preparation method and power cable thereof |
| CN104029608A (en) * | 2014-06-25 | 2014-09-10 | 江苏佳铝实业股份有限公司 | Coated steel aluminum composite conductor rail and manufacturing method thereof |
| CN104209716A (en) * | 2014-09-24 | 2014-12-17 | 山东裕航特种合金装备有限公司 | Production method of high-conductivity aluminium alloy sections |
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2017
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Patent Citations (5)
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| CN101805837A (en) * | 2010-04-27 | 2010-08-18 | 辽宁忠旺集团有限公司 | Manufacture method of aluminum alloy section for track traffic conductor rail |
| CN102268575A (en) * | 2011-07-20 | 2011-12-07 | 安徽欣意电缆有限公司 | Aluminum alloy material and preparation method thereof |
| CN102978472A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Bi-RE aluminum alloy, and preparation method and power cable thereof |
| CN104029608A (en) * | 2014-06-25 | 2014-09-10 | 江苏佳铝实业股份有限公司 | Coated steel aluminum composite conductor rail and manufacturing method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130458A (en) * | 2017-12-18 | 2018-06-08 | 定远县宝隆机械制造有限公司 | A kind of moltening mold castings aluminium alloy formula |
| CN108220714A (en) * | 2017-12-20 | 2018-06-29 | 柳州璞智科技有限公司 | A kind of almag used for electronic packaging and preparation method thereof |
| CN108359859A (en) * | 2018-02-01 | 2018-08-03 | 深圳市华加日西林实业有限公司 | Aluminium alloy extrusions processing technology and aluminium alloy extrusions |
| CN109355536A (en) * | 2018-12-05 | 2019-02-19 | 辽宁忠旺集团有限公司 | A kind of aluminium bar bus and its production technology |
| CN111575546A (en) * | 2020-06-01 | 2020-08-25 | 山东裕航特种合金装备有限公司 | Production method of track panel induction plate for high-speed normally-conducting magnetic suspension train |
| CN111575546B (en) * | 2020-06-01 | 2021-11-09 | 山东裕航特种合金装备有限公司 | Production method of track panel induction plate for high-speed normally-conducting magnetic suspension train |
| CN112210701A (en) * | 2020-10-09 | 2021-01-12 | 美图（福建）铝业有限公司 | High-conductivity 6101B alloy extruded section and processing technology thereof |
| CN112210701B (en) * | 2020-10-09 | 2022-05-31 | 美图（福建）铝业有限公司 | High-conductivity 6101B alloy extruded section and processing technology thereof |
| CN112281005A (en) * | 2020-11-18 | 2021-01-29 | 成都阳光铝制品有限公司 | Production process for effectively improving conductivity of aluminum alloy |
| CN113737066A (en) * | 2021-08-11 | 2021-12-03 | 广东华昌集团有限公司 | Aluminum conductor rail section bar and preparation method thereof |
| CN113832373A (en) * | 2021-08-11 | 2021-12-24 | 广东华昌集团有限公司 | Aluminum alloy for building bearing structure and preparation method thereof |
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Application publication date: 20170616 |
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| RJ01 | Rejection of invention patent application after publication |