CN104630666A - Heat treatment process of aluminum alloy automobile hub - Google Patents
Heat treatment process of aluminum alloy automobile hub Download PDFInfo
- Publication number
- CN104630666A CN104630666A CN201510049107.XA CN201510049107A CN104630666A CN 104630666 A CN104630666 A CN 104630666A CN 201510049107 A CN201510049107 A CN 201510049107A CN 104630666 A CN104630666 A CN 104630666A
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- China
- Prior art keywords
- treatment
- heat treatment
- heat
- treatment process
- artificial aging
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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
- 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
Abstract
The invention provides a heat treatment process of an aluminum alloy automobile hub and relates to the technical field of heat treatment. The heat treatment process comprises the following steps: performing solid treatment at a temperature ranging from 520 to 540 DEG C and preserving heat for 4-6 hours; immediately performing cooling treatment after solid treatment at a temperature ranging from 60 to 100 DEG C by use of a cooling medium, namely water or salt bath, next, performing completely artificial aging treatment at a heating temperature within the range of 170+/-5 DEG C, preserving heat for 4-8 hours, and just cooling in air after the artificial aging treatment. The heat treatment process is used for solving the problem that the production cost and the mechanical properties and the service life of the hub are affected by a melting phenomenon or workpiece cracking and deformation during quenching because the heating temperature on the surface of a casting is unstable and partially overhigh.
Description
Technical field
The present invention relates to technical field of heat treatment, particularly relate to a kind of ageing hot processing method of automotive hub.
Background technology
Aluminium alloy is a kind of low-density structural metallic materials, its specific tenacity, specific modulus are high, machining property is excellent, there is good corrosion resisting property, excellent damping property and machinability, and certain impact shock load can be born, adopt aluminium alloy can reduce the deadweight of product, reduce machining energy, reduce energy consumption.Along with the requirement of automotive light weight technology and energy-conserving and environment-protective, aluminum alloy casting is widely used in automotive industry, and current light alloy wheel hub is mainly aluminium alloy wheel hub.Wheel hub is one of major parts of running car system, security personnel's part that a kind of requirement is higher, and it and automobile exercise performance, the comfortableness of riding and security very large relation.For a long time, steel wheel hub occupies the dominant position of automotive hub application.What require car safety, environmental protection, the aspect such as energy-conservation, comfortable along with people improves constantly, and aluminum wheel hub is in the technical continuous progress of design and manufaction, and aluminum wheel hub just progressively replaces steel wheel hub to become optimal selection.But in order to meet automotive hub to the various mechanical property requirements of aluminium alloy, a wherein important procedure implements T6 thermal treatment exactly, namely solution treatment adds full artificial aging process, and corresponding aluminum alloy materials is ZL101A or A356.In actually operating; solution treatment processes by 535 ± 5 DEG C of standard; often can there is excess temperature phenomenon in foundry goods; namely cast(ing) surface is because of actual Heating temperature instability; local too high and produce melting phenomenon or quenching time workpiece cracking and distortion problem; not only affect production cost, and affect mechanical property and the work-ing life of wheel hub.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of heat-treatment technology method of aluminium alloy automobile hub, solve cast(ing) surface because of Heating temperature instability, local is too high and produce melting phenomenon or quenching time workpiece cracking and distortion, thus affect the mechanical property of production cost and wheel hub and the problem in work-ing life.The technical solution used in the present invention is: the heat-treatment technology method of this aluminium alloy automobile hub, and solid solution temperature is 520-540 DEG C, and solution treatment soaking time is 4-6 hour; Carry out cooling process immediately after solid solution, heat-eliminating medium is water or salt bath, and temperature is 60-100 DEG C, carries out complete artificial aging process more subsequently, and Heating temperature is 170 ± 5 DEG C, soaking time 4-8 hour, air cooling after artificial aging process.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
Processing method of the present invention under the prerequisite meeting the requirement of foundry goods physical properties, can make the phenomenon of foundry goods melting greatly reduce, decreases workpiece deformation and cracking phenomena, improves wheel hub mechanical property and work-ing life.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described:
Embodiment 1: the heat-treatment technology method of aluminium alloy automobile hub of the present invention is first the solid solubility temperature be equipped with in the heat treatment furnace of workpiece is heated to 520 DEG C, soaking time is 6 hours; Carry out cooling process immediately after processing, heat-eliminating medium is water, and temperature is 75 DEG C, carries out complete artificial aging process more subsequently, and Heating temperature is 170 DEG C, soaking time 7 hours, air cooling after artificial aging process.
Embodiment 2: the heat-treatment technology method of aluminium alloy automobile hub of the present invention is first the solid solubility temperature be equipped with in the heat treatment furnace of workpiece is heated to 540 DEG C, soaking time is 5 hours; Carry out cooling process immediately after processing, heat-eliminating medium is salt bath, and salt bath treatment temp is 100 DEG C, salt bath process soaking time is 120 minutes, carries out complete artificial aging process more subsequently, and Heating temperature is 175 DEG C, soaking time 6 hours, air cooling after artificial aging process.
Claims (1)
1. a heat-treatment technology method for aluminium alloy automobile hub, is characterized in that: solid solution temperature is 520-540 DEG C, and solution treatment soaking time is 4-6 hour; Carry out cooling process immediately after solid solution, heat-eliminating medium is water or salt bath, and temperature is 60-100 DEG C, carries out complete artificial aging process more subsequently, and Heating temperature is 170 ± 5 DEG C, soaking time 4-8 hour, air cooling after artificial aging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049107.XA CN104630666A (en) | 2015-01-30 | 2015-01-30 | Heat treatment process of aluminum alloy automobile hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049107.XA CN104630666A (en) | 2015-01-30 | 2015-01-30 | Heat treatment process of aluminum alloy automobile hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104630666A true CN104630666A (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510049107.XA Pending CN104630666A (en) | 2015-01-30 | 2015-01-30 | Heat treatment process of aluminum alloy automobile hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104630666A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402333A (en) * | 2018-12-13 | 2019-03-01 | 安徽优合科技股份有限公司 | A kind of automotive hub heat treatment method |
| CN111471846A (en) * | 2020-05-09 | 2020-07-31 | 安徽拓普勒汽车科技有限公司 | Heat treatment process for aluminum alloy hub |
| CN114277324A (en) * | 2022-01-06 | 2022-04-05 | 国家高速列车青岛技术创新中心 | Heat treatment method of ZL101A aluminum alloy for resisting marine environment corrosion |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646655A1 (en) * | 1993-09-30 | 1995-04-05 | Nkk Corporation | Method of manufacturing natural aging-retardated aluminum alloy sheet exhibiting excellent formability and excellent bake hardening ability |
| CN101050512A (en) * | 2006-04-03 | 2007-10-10 | 郑州大学 | High effective heat treatment method for wheel hub founded at low pressure from high performance A356 alloy |
| CN101966575A (en) * | 2010-11-13 | 2011-02-09 | 河南理工大学 | Process for casting aluminum alloy wheel and heat treatment process |
| CN102041464A (en) * | 2009-10-09 | 2011-05-04 | 韦加伟 | Method for increasing mechanical properties of vehicle hub through artificial aging |
| CN102051505A (en) * | 2010-12-28 | 2011-05-11 | 浙江金盾风机风冷设备有限公司 | High-strength casting aluminum alloy |
-
2015
- 2015-01-30 CN CN201510049107.XA patent/CN104630666A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646655A1 (en) * | 1993-09-30 | 1995-04-05 | Nkk Corporation | Method of manufacturing natural aging-retardated aluminum alloy sheet exhibiting excellent formability and excellent bake hardening ability |
| CN101050512A (en) * | 2006-04-03 | 2007-10-10 | 郑州大学 | High effective heat treatment method for wheel hub founded at low pressure from high performance A356 alloy |
| CN102041464A (en) * | 2009-10-09 | 2011-05-04 | 韦加伟 | Method for increasing mechanical properties of vehicle hub through artificial aging |
| CN101966575A (en) * | 2010-11-13 | 2011-02-09 | 河南理工大学 | Process for casting aluminum alloy wheel and heat treatment process |
| CN102051505A (en) * | 2010-12-28 | 2011-05-11 | 浙江金盾风机风冷设备有限公司 | High-strength casting aluminum alloy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402333A (en) * | 2018-12-13 | 2019-03-01 | 安徽优合科技股份有限公司 | A kind of automotive hub heat treatment method |
| CN111471846A (en) * | 2020-05-09 | 2020-07-31 | 安徽拓普勒汽车科技有限公司 | Heat treatment process for aluminum alloy hub |
| CN114277324A (en) * | 2022-01-06 | 2022-04-05 | 国家高速列车青岛技术创新中心 | Heat treatment method of ZL101A aluminum alloy for resisting marine environment corrosion |
| CN114277324B (en) * | 2022-01-06 | 2023-03-10 | 国家高速列车青岛技术创新中心 | Heat treatment method of ZL101A aluminum alloy for marine environment corrosion resistance |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |