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 PDF

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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
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
Application number
CN201611268199.1A
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Chinese (zh)
Inventor
雷代宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Koway Automobile Technology Co Ltd
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Chongqing Koway Automobile Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Koway Automobile Technology Co Ltd filed Critical Chongqing Koway Automobile Technology Co Ltd
Priority to CN201611268199.1A priority Critical patent/CN106756336A/en
Publication of CN106756336A publication Critical patent/CN106756336A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/10Alloys based on aluminium with zinc as the next major constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002Changing 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/053Changing 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

A kind of aluminium alloy wheel hub and its production technology
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.
CN201611268199.1A 2016-12-31 2016-12-31 A kind of aluminium alloy wheel hub and its production technology Pending CN106756336A (en)

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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Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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