WO2015188548A1 - Procédé de fabrication de moyeu commercial en alliage d'aluminium à haute teneur en magnésium - Google Patents

Procédé de fabrication de moyeu commercial en alliage d'aluminium à haute teneur en magnésium Download PDF

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Publication number
WO2015188548A1
WO2015188548A1 PCT/CN2014/088481 CN2014088481W WO2015188548A1 WO 2015188548 A1 WO2015188548 A1 WO 2015188548A1 CN 2014088481 W CN2014088481 W CN 2014088481W WO 2015188548 A1 WO2015188548 A1 WO 2015188548A1
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WO
WIPO (PCT)
Prior art keywords
aluminum alloy
magnesium aluminum
wheel hub
manufacturing
temperature
Prior art date
Application number
PCT/CN2014/088481
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English (en)
Chinese (zh)
Inventor
朱其柱
王新春
丁荣辉
李书通
濮近发
茅海波
林枭雄
Original Assignee
浙江巨科实业股份有限公司
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Application filed by 浙江巨科实业股份有限公司 filed Critical 浙江巨科实业股份有限公司
Publication of WO2015188548A1 publication Critical patent/WO2015188548A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs

Definitions

  • the present invention relates to a method of manufacturing a hub, and more particularly to a method of manufacturing a high-magnesium aluminum alloy commercial wheel hub.
  • the Al-Mg-Si alloy cast rod is usually used as a raw material, and the billet is preheated, and the forging is required to be upset and multiple forged, and after the hub is formed It is necessary to strengthen the aluminum alloy through the solid solution and the effect of the long day, which has the disadvantages of complicated process, long production cycle, low material utilization rate and high energy consumption.
  • the technical problem to be solved by the present invention is to provide a method for manufacturing a high-magnesium aluminum alloy commercial wheel hub, which can solve the problems of complicated technology, low production efficiency and high energy consumption in the prior art, thereby reducing energy consumption and improving The purpose of production efficiency.
  • the technical solution of the method for manufacturing a high-magnesium aluminum alloy commercial wheel hub of the present invention comprises the following steps:
  • the first step preparing materials
  • the raw material high-magnesium aluminum alloy hot-rolled sheet is made into a ring-shaped blank
  • the high-magnesium aluminum alloy hot-rolled sheet is produced by hot-rolling a high-magnesium aluminum alloy ingot. Hot rolling treatment The method is as follows: the rolling temperature is 440 ° C ⁇ 500 ° C, and the finishing temperature is 300 ° C ⁇ 350 ° C.
  • the high magnesium aluminum alloy is an aluminum alloy having a Mg content of ⁇ 4%.
  • the high-magnesium aluminum alloy hot-rolled sheet has a thickness of 30 mm to 65 mm.
  • the annular billet is drawn into a disk shape to obtain a disc-shaped blank
  • the deep drawing is cold drawing, warm drawing or hot drawing.
  • the number of forgings is 1 to 2 times.
  • the temperature of the forging is ⁇ the recrystallization temperature of the high magnesium aluminum alloy material.
  • the amount of deformation of the forging is 5 ⁇ 3 ⁇ 4 ⁇ 40 ⁇ 3 ⁇ 4.
  • the fourth step spin forming
  • the forged aluminum alloy wheel blank is strongly spun under the recrystallization temperature to form a rim portion, to obtain a hollow rotating body hub blank;
  • the temperature of the spinning is ⁇ the recrystallization temperature of the high magnesium aluminum alloy material.
  • the hollow rotating body hub blank after spin forming is kept at a temperature of 100 ° C to 250 ° C for 0.5 to 6 hours.
  • the aluminum alloy hub blank after the stabilization treatment is machined and surface-treated to obtain an aluminum alloy wheel finished product.
  • the invention improves the raw materials used for the aluminum alloy wheel hub, and does not use the as-cast Al-Mg-Si aluminum alloy bar material as a raw material, so as to simplify the process, so that no need for upsetting before spin forming , punching precast blanks and other processes, no need for solid solution treatment after spin forming.
  • the aluminum alloy hot-rolled sheet selected by the present invention is formed by hot rolling of an ingot. After the ingot is hot rolled, the grains are refined and extended, so that the crystal orientation tends to be uniform, and the shrinkage and porosity are compacted.
  • hot rolling is processing at a temperature higher than the recrystallization temperature, an annealing effect such as recovery or recrystallization occurs when the metal is plastically deformed.
  • coarse grains in the as-cast state can be broken, microcracks can be healed, casting defects can be reduced or eliminated, and the as-cast microstructure can be transformed into a dense fibrous deformation structure, thereby achieving an effect of improving the alloy structure.
  • the obtained product performance can at least achieve the equivalent performance of the original product, simplifying the process of the same, still Can guarantee the performance of the product even higher.
  • the invention replaces the Al-Mg-Si heat-treated reinforced aluminum alloy by the high-strength high-magnesium aluminum alloy, and does not require a heat treatment strengthening process, which not only simplifies the process steps, improves the production efficiency, but also achieves the purpose of reducing energy consumption.
  • the present invention greatly improves the process steps by improving the raw materials used for the aluminum alloy wheels without the processes of upsetting, punching preforms, solid solution and the like. Achieve the goal of reducing energy consumption and increasing production efficiency.
  • the invention adopts a relatively thin aluminum alloy hot-rolled sheet with a fibrous deformation structure as a raw material to directly spin or draw into a disc-shaped blank, and the manufacturing process of the forged aluminum alloy wheel with the existing cast rod-shaped blank Compared with the preheating temperature required for the billet and the short preheating time, the energy consumption can be significantly reduced and the production efficiency can be improved.
  • the invention adopts Al-Mg non-heat-treat reinforced aluminum alloy, and the high-magnesium-aluminum alloy can be work hardened by low-temperature forging and spinning, and high strength is obtained, thereby obtaining a product with better mechanical properties.
  • FIGS. 1a and 1b are schematic views of a toroidal blank prepared by the method for manufacturing a high-magnesium aluminum alloy commercial wheel hub of the present invention; wherein FIG. 1a is a cross-sectional view of FIG.
  • FIG. 2a and 2b are schematic views of a disc-shaped blank prepared by the present invention; wherein FIG. 2a is a cross-sectional view of FIG. 2b
  • FIG. 3a and 3b are schematic views of a forged aluminum alloy wheel blank prepared by the present invention; wherein FIG. 3a is a cross-sectional view of FIG. 3b; 4a and 4b are schematic views of a hollow rotating body hub blank prepared by the present invention; wherein FIG. 4a is a cross-sectional view of FIG. 4b;
  • FIG. 5 is a schematic view showing a process of spinning a circular billet into a disc-shaped billet by using a spinning machine
  • FIG. 6 is a schematic view showing a process of drawing a toroidal billet into a disc-shaped billet by using a punching machine
  • FIG. 7 is a schematic view of a disc-shaped blank before forging by a forging press
  • FIG. 8 is a schematic view of forging a disc-shaped blank into a forged aluminum alloy hub blank by using a forging press
  • FIG. 9 is a schematic view of a forging aluminum alloy wheel blank before spinning by a spinning machine
  • FIG. 10 is a schematic view of a forging press of an aluminum alloy wheel hub blank into a hollow rotating body hub blank using a spinning machine
  • the method for manufacturing a high-magnesium aluminum alloy commercial wheel hub of the present invention comprises the following steps:
  • the first step preparing materials
  • the high-magnesium aluminum alloy hot-rolled sheet is made by hot-rolling a high-magnesium aluminum alloy ingot
  • the specific hot rolling treatment method is: hot magnesium alloy ingot is hot rolled, the rolling temperature is 440 ° C
  • the finishing temperature is 300 ° C ⁇ 350 ° C;
  • the present invention performs hot rolling treatment on a high-magnesium aluminum alloy ingot at a recrystallization temperature or higher, which can improve the structure of the alloy and improve the properties of the alloy.
  • the high magnesium aluminum alloy is an aluminum alloy having a Mg content of ⁇ 4%; preferably a 5 series aluminum alloy such as 5182, 5083, 5A05, 5A06.
  • the thickness of the high-magnesium aluminum alloy hot-rolled sheet is preferably 30 mm to 65 mm in accordance with the requirements of the size of the hub.
  • the present invention ensures sufficient strength after final shaping of the hub by controlling the Mg content of the high magnesium aluminum alloy.
  • the annular billet is drawn into a disk shape to obtain a disc-shaped blank as shown in FIGS. 2a and 2b;
  • the drawing may be cold drawing, warm drawing or hot drawing.
  • the drawing is performed by means of hot spinning and hot stamping.
  • FIG. 7 to FIG. 8 are schematic diagrams showing a process of forging a disc-shaped blank into a forged aluminum alloy hub blank by using a forging press;
  • the number of forgings is 1 to 2 times;
  • the amount of deformation of the forging is S ⁇ , preferably? . ⁇ ? . ⁇ ;
  • forging is performed by a warm forging method.
  • the present invention produces work hardening of an aluminum alloy by controlling the forging temperature to increase the strength of the aluminum alloy, thereby obtaining higher mechanical properties of the spoke portion.
  • the fourth step spin forming
  • FIG. 10 is a schematic view showing a process of spinning a forged aluminum alloy wheel blank into a hollow rotating body hub blank by using a powerful spinning machine
  • the spin spinning is performed by a warm spinning method, and the spinning temperature is ⁇ the recrystallization temperature of the high magnesium aluminum alloy material;
  • the hollow rotating body hub blank after spin forming is kept at a temperature of 100 ° C to 250 ° C for 0.5 to 6 hours.
  • the invention stabilizes the performance of the high-magnesium-aluminum alloy by the low-temperature stabilization treatment; does not require the high-temperature solid solution and the effect process between the long turns, greatly simplifies the process steps, can significantly reduce the energy consumption, and improves the production. effectiveness.
  • Machining and surface treatment methods are: edge removal, sanding, polishing and painting.
  • the 5083 aluminum alloy hot-rolled sheet is punched out into an outer diameter of the outer diameter ⁇ 800 ⁇ inner diameter (D260mm annular billet; [0076] the annular billet is preheated to 380 ° C, and the spinning is deepened into a disk shape;
  • the cooled disc-shaped blank is placed in a forging die, and the spoke portion is cold-forged with a forging press;
  • the forged aluminum alloy wheel blank is heated to 150 ° C, the forging aluminum alloy wheel blank is spun on the spinning machine into a hollow rotating body hub blank;
  • the hollow rotating body hub blank is further insulated in a continuous annealing furnace at 200 ° C for 1 hour; finally, the hub is machined and subsequently surface treated to obtain an automobile aluminum alloy wheel product.
  • the aluminum alloy wheel hub obtained in the above embodiment is selected for corresponding mechanical performance test, and respectively sampled in different parts of the hub, the rim and the spoke portion are round bar tensile degree sample, d6x30 is selected ; the rim portion is stretched by sheet. For the sample, the width ⁇ 0 is selected, the thickness is the original thickness of the rim, and the tensile test is carried out according to the test standard of GB/T228-2002.
  • Table 1 is the test result of the aluminum alloy wheel obtained by the preparation method of the embodiment. The specific test results are shown in Table 1. Show.
  • the present invention uses a high-magnesium aluminum alloy, and its strength still satisfies the performance requirements.
  • the aluminum alloy wheel hub produced by the present invention is mainly applied to the automobile field.
  • the wheel hub of the present invention is not limited to the wheel hub of the automobile field, and can be used as a hub of the related art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un moyeu commercial en alliage d'aluminium à haute teneur en magnésium, comprenant les étapes suivantes : étape 1 : formation en flans annulaires d'une feuille laminée à chaud en alliage d'aluminium à haute teneur en magnésium utilisée comme produit de départ ; étape 2 : les flans annulaires sont emboutis pour obtenir des flans en forme de disque ; étape 3 : les flans en forme de disque sont refroidis en dessous de la température de recristallisation, puis les parties rayon des flans en forme de disque sont forgées pour obtenir des flans de moyeu en alliage d'aluminium forgés ; étape 4 : les flans de moyeu en alliage d'aluminium forgés sont tournés pour obtenir des flans de moyeu à corps rotatif creux ; étape 5 :les flans de moyeu à corps rotatif creux sont stabilisés à basse température ; étape 6 : usinage et traitement de surface. Le procédé de fabrication de moyeu commercial en alliage d'aluminium à haute teneur en magnésium résout les problèmes de la complexité des techniques existantes, de faible rendement et de consommation d'énergie élevée, et atteint les objectifs de consommation d'énergie réduite, de rendement accru et de bonnes propriétés mécaniques du produit.
PCT/CN2014/088481 2014-06-13 2014-10-13 Procédé de fabrication de moyeu commercial en alliage d'aluminium à haute teneur en magnésium WO2015188548A1 (fr)

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Application Number Priority Date Filing Date Title
CN201410262246.6 2014-06-13
CN201410262246.6A CN104015005A (zh) 2014-06-13 2014-06-13 高镁铝合金商用车轮毂的制造方法

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PCT/CN2014/088474 WO2015188543A1 (fr) 2014-06-13 2014-10-13 Procédé de fabrication de moyeu de roue commercial en alliage d'aluminium à magnésium élevé

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104015005A (zh) * 2014-06-13 2014-09-03 浙江巨科实业有限公司 高镁铝合金商用车轮毂的制造方法
CN104191181A (zh) * 2014-09-16 2014-12-10 山西银光华盛镁业股份有限公司 一种镁合金车轮锻压旋压复合成形方法
CN105728604A (zh) * 2014-12-10 2016-07-06 陕西宏远航空锻造有限责任公司 一种大外径镁合金环形锻件的锻造成形方法
CN105268903A (zh) * 2015-11-04 2016-01-27 浙江巨科实业股份有限公司 铝合金轮毂的锻造成形方法
CN106583963B (zh) * 2017-01-06 2018-11-20 中国汽车工程研究院股份有限公司 一种提升钢质乘用车车轮疲劳寿命的工艺方法
CN112809325B (zh) * 2021-02-26 2024-06-11 山西汤荣机械制造股份有限公司 纳米阻热钢轮毂的生产工艺
CN115572871B (zh) * 2022-10-31 2023-09-15 山东骏程金属科技有限公司 商用铝合金锻造车轮及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101214605A (zh) * 2008-01-14 2008-07-09 张新颖 轮毂制造工艺
US20090113713A1 (en) * 2007-11-01 2009-05-07 Wang-Fa Tsai Method for Making a Wheel Rim
CN102601587A (zh) * 2011-12-02 2012-07-25 河池学院 大型车辆铝合金轮辋的制造工艺
CN103481029A (zh) * 2013-09-16 2014-01-01 浙江巨科铝业有限公司 一种锻旋铝合金轮毂的制备方法
CN104015005A (zh) * 2014-06-13 2014-09-03 浙江巨科实业有限公司 高镁铝合金商用车轮毂的制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5902424A (en) * 1992-09-30 1999-05-11 Mazda Motor Corporation Method of making an article of manufacture made of a magnesium alloy
JPH09315102A (ja) * 1996-05-28 1997-12-09 U Mold:Kk アルミニウム合金製ホイールハブ類の製造方法
CN101318281A (zh) * 2007-06-06 2008-12-10 李书通 冷挤压加工铝合金汽车车轮的方法
CN101402128A (zh) * 2008-11-12 2009-04-08 湖北天轮机械有限公司 自动变速箱飞轮托盘温拉深镦锻成形工艺及其模具
CN102634701B (zh) * 2012-03-13 2014-01-01 浙江永杰铝业有限公司 一种船用高镁铝合金板材生产方法
CN103223574A (zh) * 2013-04-26 2013-07-31 厦门民兴工业有限公司 一种铝合金轮毂的成型方法
CN103817495B (zh) * 2014-03-05 2016-06-08 浙江巨科实业股份有限公司 铝合金轮毂的制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090113713A1 (en) * 2007-11-01 2009-05-07 Wang-Fa Tsai Method for Making a Wheel Rim
CN101214605A (zh) * 2008-01-14 2008-07-09 张新颖 轮毂制造工艺
CN102601587A (zh) * 2011-12-02 2012-07-25 河池学院 大型车辆铝合金轮辋的制造工艺
CN103481029A (zh) * 2013-09-16 2014-01-01 浙江巨科铝业有限公司 一种锻旋铝合金轮毂的制备方法
CN104015005A (zh) * 2014-06-13 2014-09-03 浙江巨科实业有限公司 高镁铝合金商用车轮毂的制造方法

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CN104015005A (zh) 2014-09-03

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