CN106756336A - A kind of aluminium alloy wheel hub and its production technology - Google Patents
A kind of aluminium alloy wheel hub and its production technology Download PDFInfo
- Publication number
- CN106756336A CN106756336A CN201611268199.1A CN201611268199A CN106756336A CN 106756336 A CN106756336 A CN 106756336A CN 201611268199 A CN201611268199 A CN 201611268199A CN 106756336 A CN106756336 A CN 106756336A
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- CN
- China
- Prior art keywords
- aluminium alloy
- wheel hub
- alloy wheel
- production technology
- aluminum alloy
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- 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.)
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Classifications
-
- 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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
-
- 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
- C22F1/053—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 zinc as the next major constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Forging (AREA)
Abstract
The present invention relates to automotive hub manufacturing technology field, and in particular to a kind of aluminium alloy wheel hub and its production technology.A kind of aluminium alloy wheel hub of the invention, aluminum alloy materials each component mass percent is：B：0.03% 0.8%, Cr：0.3% 0.85%, La：0.06% 0.85%, Fe：0.05% 0.2%, Cu：0.02% 0.95%, C：0.1% 0.3%, Zr：0. 2%~0.3%, Ti：0.03%~0.1%, Zn：5%~6%, Mg：1.5%~3.5%, Cu：0.01%~0.95%, balance of Al.Present invention has the advantages that the increase of trace element improves the intensity and fatigue behaviour of alloy, the aluminium alloy wheel hub production cost reduction prepared by liquid forging method, material-saving, beneficial to batch production.
Description
Technical field
The present invention relates to automotive hub manufacturing technology field, and in particular to a kind of aluminium alloy wheel hub and its production technology.
Background technology
Aluminium alloy wheel hub is the regeneration product of steel wheel hub, has the advantages that light weight, heat conduction be fast, attractive in appearance, energy-saving safety,
It is widely used to both at home and abroad on car i.e. other light buses at present.The method of manufacture aluminium alloy wheel hub is main both at home and abroad at present
There are forging method and casting, though the good yield rate of the former quality is low, the latter is not only of low quality, and complex process, invests into
This is big；Liquid forging method is the new technology for manufacturing aluminium alloy wheel hub, although manufacture craft is relatively easy, reduces cost, aluminium is closed
Golden wheel hub tensile strength is relatively low with respect to the aluminium alloy wheel hub of forging method, therefore, prior art wheel hub preparation technology has wheel hub
The problems such as tensile strength is relatively low.
The content of the invention
For solve wheel hub tensile strength that prior art wheel hub preparation technology is present it is relatively low the problems such as, the present invention proposes a kind of
Aluminium alloy wheel hub and its production technology.
A kind of aluminium alloy wheel hub of the invention, aluminum alloy materials each component mass percent is：B：0.03%- 0.8%,
Cr：0.3%-0.85%, La：0.06%-0.85%, Fe：0.05%-0.2%, Cu：0.02%-0.95%, C：0.1%-
0.3%, Zr：0. 2%~0.3%, Ti：0.03%~0.1%, Zn：5%~6%, Mg：1.5%~3.5%, Cu：
0.01%~0.95%, balance of Al.
A kind of production technology of aluminium alloy wheel hub of the invention, comprises the following steps：
S1：Prepare aluminum alloy materials；
S2：Aluminum alloy materials are put into the metal that is in a liquid state is melted in smelting furnace, fusion temperature is 850 DEG C ~ 950 DEG C；
S3：Temperature is set to be poured into a mould after being down to 750 DEG C the liquid aluminium alloy cooling after fusing；
S4：Mould is carried out being preheating to 200 DEG C by resistance wire and lubricant is coated before pressurization；
S5：Liquid aluminium alloy is press-formed by hydraulic press, beginning pressing time be 5 ~ 8s, pressing speed 0.2m/s,
Moulding pressure is more than 100MPa；
S6：The demoulding simultaneously cools down 15 ~ 20s;
S7：The aluminium alloy wheel hub of shaping is heat-treated, heat treatment temperature is incubated 6h quenchings, cooling at 510 DEG C ~ 520 DEG C
To 170 DEG C ~ 180 DEG C insulation 6h tempers, test specimen is processed into；
S8：Check, pack and be put in storage.
A kind of beneficial effect of aluminium alloy wheel hub production technology of the present invention is that Ti micro in aluminum alloy melt and Zr can be refined
The solderability of ingot casting crystal grain and improvement alloy, effectively improves alloy strength；Micro B has refined the crystal grain of aluminium alloy, improves
The tensile strength and toughness of aluminium alloy；After addition La, the eutectic phase of grain boundaries richness Fe is eliminated, improve the plasticity of alloy；Addition
Micro C, to form small, Dispersed precipitate carbide in the alloy, improves the intensity and fatigue behaviour of alloy, passes through
Aluminium alloy wheel hub production cost reduction prepared by liquid forging method, material-saving, beneficial to batch production.
Specific embodiment
Specific embodiment of the invention is described below：
A kind of aluminium alloy wheel hub of the invention, aluminum alloy materials each component mass percent is：B：0.03%- 0.8%, Cr：
0.3%-0.85%, La：0.06%-0.85%, Fe：0.05%-0.2%, Cu：0.02%-0.95%, C：0.1%-0.3%,
Zr：0. 2%~0.3%, Ti：0.03%~0.1%, Zn：5%~6%, Mg：1.5%~3.5%, Cu：0.01%
~0.95%, balance of Al.
A kind of production technology of aluminium alloy wheel hub of the invention, comprises the following steps：
S1：Prepare aluminum alloy materials；
S2：Aluminum alloy materials are put into the metal that is in a liquid state is melted in smelting furnace, fusion temperature is 850 DEG C ~ 950 DEG C；
S3：Temperature is set to be poured into a mould after being down to 750 DEG C the liquid aluminium alloy cooling after fusing；
S4：Mould is carried out being preheating to 200 DEG C by resistance wire and lubricant is coated before pressurization；
S5：Liquid aluminium alloy is press-formed by hydraulic press, beginning pressing time be 5 ~ 8s, pressing speed 0.2m/s,
Moulding pressure is more than 100MPa；
S6：The demoulding simultaneously cools down 15 ~ 20s;
S7：The aluminium alloy wheel hub of shaping is heat-treated, heat treatment temperature is incubated 6h quenchings, cooling at 510 DEG C ~ 520 DEG C
To 170 DEG C ~ 180 DEG C insulation 6h tempers, test specimen is processed into；
S8：Check, pack and be put in storage.
A kind of beneficial effect of aluminium alloy wheel hub production technology of the present invention is that Ti micro in aluminum alloy melt and Zr can be refined
The solderability of ingot casting crystal grain and improvement alloy, effectively improves alloy strength；Micro B has refined the crystal grain of aluminium alloy, improves
The tensile strength and toughness of aluminium alloy；After addition La, the eutectic phase of grain boundaries richness Fe is eliminated, improve the plasticity of alloy；Addition
Micro C, to form small, Dispersed precipitate carbide in the alloy, improves the intensity and fatigue behaviour of alloy, passes through
Aluminium alloy wheel hub production cost reduction prepared by liquid forging, material-saving, beneficial to batch production.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included in protection scope of the present invention.
Claims (2)
1. a kind of aluminium alloy wheel hub, it is characterised in that aluminum alloy materials each component mass percent is：B：0.03%- 0.8%,
Cr：0.3%-0.85%, La：0.06%-0.85%, Fe：0.05%-0.2%, Cu：0.02%-0.95%, C：0.1%-
0.3%, Zr：0. 2%~0.3%, Ti：0.03%~0.1%, Zn：5%~6%, Mg：1.5%~3.5%, Cu：
0.01%~0.95%, balance of Al.
2. a kind of production technology of aluminium alloy wheel hub, it is characterised in that comprise the following steps：
S1：Prepare aluminum alloy materials；
S2：Aluminum alloy materials are put into the metal that is in a liquid state is melted in smelting furnace, fusion temperature is 850 DEG C ~ 950 DEG C；
S3：Temperature is set to be poured into a mould after being down to 750 DEG C the liquid aluminium alloy cooling after fusing；
S4：Mould is carried out being preheating to 200 DEG C by resistance wire and lubricant is coated before pressurization；
S5：Liquid aluminium alloy is press-formed by hydraulic press, beginning pressing time be 5 ~ 8s, pressing speed 0.2m/s,
Moulding pressure is more than 100MPa；
S6：The demoulding simultaneously cools down 15 ~ 20s;
S7：The aluminium alloy wheel hub of shaping is heat-treated, heat treatment temperature is incubated 6h quenchings, cooling at 510 DEG C ~ 520 DEG C
To 170 DEG C ~ 180 DEG C insulation 6h tempers, test specimen is processed into；
S8：Check, pack and be put in storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268199.1A CN106756336A (en) | 2016-12-31 | 2016-12-31 | A kind of aluminium alloy wheel hub and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268199.1A CN106756336A (en) | 2016-12-31 | 2016-12-31 | A kind of aluminium alloy wheel hub and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106756336A true CN106756336A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611268199.1A Pending CN106756336A (en) | 2016-12-31 | 2016-12-31 | A kind of aluminium alloy wheel hub and its production technology |
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| CN (1) | CN106756336A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891137A (en) * | 2017-12-12 | 2018-04-10 | 江苏珀然股份有限公司 | A kind of manufacture method of wheel hub |
| CN109558682A (en) * | 2018-12-03 | 2019-04-02 | 江苏昊鹏机械有限公司 | A kind of wheel hub light-weight design method and manufacture craft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758194A (en) * | 2009-12-17 | 2010-06-30 | 中国兵器工业第五二研究所 | Indirect extruding and casting method of wrought aluminum alloy casting |
| CN102251158A (en) * | 2011-07-09 | 2011-11-23 | 浙江巨科铝业有限公司 | Aluminium alloy for vehicle hub and preparation method thereof |
| CN104711463A (en) * | 2015-03-17 | 2015-06-17 | 中南大学 | Al-Mg-Zn-Li alloy and preparation method for alloy plate |
| CN104775061A (en) * | 2015-04-10 | 2015-07-15 | 天津那诺机械制造有限公司 | Aluminum alloy material for liquid die forging of automobile hub |
-
2016
- 2016-12-31 CN CN201611268199.1A patent/CN106756336A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758194A (en) * | 2009-12-17 | 2010-06-30 | 中国兵器工业第五二研究所 | Indirect extruding and casting method of wrought aluminum alloy casting |
| CN102251158A (en) * | 2011-07-09 | 2011-11-23 | 浙江巨科铝业有限公司 | Aluminium alloy for vehicle hub and preparation method thereof |
| CN104711463A (en) * | 2015-03-17 | 2015-06-17 | 中南大学 | Al-Mg-Zn-Li alloy and preparation method for alloy plate |
| CN104775061A (en) * | 2015-04-10 | 2015-07-15 | 天津那诺机械制造有限公司 | Aluminum alloy material for liquid die forging of automobile hub |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891137A (en) * | 2017-12-12 | 2018-04-10 | 江苏珀然股份有限公司 | A kind of manufacture method of wheel hub |
| CN109558682A (en) * | 2018-12-03 | 2019-04-02 | 江苏昊鹏机械有限公司 | A kind of wheel hub light-weight design method and manufacture craft |
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Application publication date: 20170531 |