WO2015188546A1 - Procédé permettant de fabriquer un moyeu de roue en alliage d'aluminium - Google Patents

Procédé permettant de fabriquer un moyeu de roue en alliage d'aluminium Download PDF

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Publication number
WO2015188546A1
WO2015188546A1 PCT/CN2014/088477 CN2014088477W WO2015188546A1 WO 2015188546 A1 WO2015188546 A1 WO 2015188546A1 CN 2014088477 W CN2014088477 W CN 2014088477W WO 2015188546 A1 WO2015188546 A1 WO 2015188546A1
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WO
WIPO (PCT)
Prior art keywords
aluminum alloy
blank
manufacturing
hub
hot
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.)
Ceased
Application number
PCT/CN2014/088477
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English (en)
Chinese (zh)
Inventor
李书通
王新春
朱其柱
丁荣辉
濮近发
茅海波
林枭雄
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.)
ZHEJIANG GKO INDUSTRY Co Ltd
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ZHEJIANG GKO INDUSTRY Co Ltd
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Filing date
Publication date
Application filed by ZHEJIANG GKO INDUSTRY Co Ltd filed Critical ZHEJIANG GKO INDUSTRY Co Ltd
Publication of WO2015188546A1 publication Critical patent/WO2015188546A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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 an aluminum alloy hub.
  • the existing forged aluminum alloy wheel hubs are usually made of Al-Mg-Si alloy cast rods, which are subjected to processes such as upsetting, initial forging, precision forging, punching, etc., having complicated processes, long production cycle, and material utilization. Low cost, high energy consumption and other shortcomings.
  • the technical problem to be solved by the present invention is to provide a method for manufacturing an aluminum alloy wheel hub, which can solve the problems of complicated technology, low material utilization rate, low production efficiency and high energy consumption in the prior art, and achieves energy consumption reduction. Improve the purpose of production efficiency.
  • the technical solution of the method for manufacturing an aluminum alloy wheel hub of the present invention includes the following steps:
  • the first step preparing materials
  • the aluminum alloy hot-rolled sheet is made by hot-rolling an aluminum alloy ingot; the hot rolling treatment method is: the rolling temperature is 440 ° C ⁇ 500 ° C, and the finishing rolling temperature is 300 ° C ⁇ 350 °C.
  • the aluminum alloy is a 5-series aluminum alloy, a 6-series aluminum alloy, or a 7-series aluminum alloy.
  • the 5-series aluminum alloy is a high-magnesium aluminum alloy Gold 5182, 5083, 5A05, 5A06;
  • the 6 series aluminum alloy is 6061, 6082, 6013 aluminum alloy;
  • the 7 series aluminum alloy is 7A04, 7B04, 7075, 7050, 7055, 7033 aluminum alloy.
  • the aluminum alloy hot-rolled sheet has a thickness of 30 mm to 80 mm.
  • the disk-shaped blank is drawn into a disk-shaped blank
  • the number of extrusions is 1 to 2 times.
  • the extrusion may be hot extrusion, warm extrusion or cold extrusion.
  • the punched, trimmed blank is placed in a spinning machine and strongly spun into a hollow rotating body hub blank; [0021] The spinning may be hot spinning, warm spinning or cold spinning.
  • the stabilization treatment method is: the hollow rotating body hub blank is kept in a continuous annealing furnace at 100 ° C ⁇ 250 ° C for 0.5 ⁇ 6 hours; the solid solution heat treatment method is: The hollow rotating body hub blank is heated to 440 ° C ⁇ 580 ° C in a solution furnace, and after quenching for 1 to 4 hours, it is quenched; then it is placed in a furnace to heat it to 120 ° C to 220 ° C, and keep warm 2 ⁇ 8 hours.
  • 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 upsetting is required before the spin forming, Forging pre-formed disc-shaped blanks to achieve the effect of improving production efficiency and reducing energy consumption; By squeezing the center portion of the spokes of the disc-shaped blank, the utilization of materials is greatly improved.
  • the aluminum alloy hot-rolled thick plate selected by the invention is formed by hot rolling of the 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. Since 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. By hot rolling, 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 microstructure of the alloy.
  • the invention improves the raw material and the preparation process used for the aluminum alloy wheel hub, and the billet has a low preheating temperature, and is not pre-formed into a disc shape by upsetting or forging.
  • the process of blanking greatly simplifies the process steps to achieve the goal of reducing energy consumption and increasing production efficiency.
  • the present invention can reduce the amount of subsequent blanking by greatly squeezing the center portion of the spoke, so that the material flows to the spokes, the rim and the rim, and greatly improves the utilization rate of the material.
  • FIGS. 1a and 1b are schematic views of a wafer-shaped blank prepared by the method for manufacturing an aluminum alloy wheel hub of the present invention; wherein FIG. 1a is a cross-sectional view of FIG.
  • FIGS. 3a and 3b are schematic views of a squeeze hub blank prepared by the present invention;
  • Figure 3a is a cross-sectional view of Figure 3b;
  • FIGS. 5a and 5b are schematic views of a hub blank prepared by the present invention; wherein FIG. 4a is a cross-sectional view of FIG. 4b; [0038] FIGS. 5a and 5b are schematic views of a hollow rotating body hub blank prepared by the present invention; ; Figure 5a is Figure 5b Sectional view;
  • FIG. 6a is a schematic view showing a state in which a disk-shaped blank is subjected to spin-drawing using a spinning machine
  • FIG. 6b is a schematic view of a spinning machine for spinning a disk-shaped blank into a disk-shaped blank
  • FIG. 7a is a schematic view of the wafer blank before being punched and drawn by a punching machine
  • FIG. 7b is a schematic view of drawing a sheet-like blank into a disc-shaped blank by using a punching machine
  • FIG. 8a is a schematic view of a disk blank before being pressed by a forging press
  • FIG. 8b is a schematic view of extruding a disc-shaped blank into a squeeze hub blank by using a forging press
  • FIG. 9a is a schematic view of the punching hub blank prior to punching and trimming
  • FIG. 9b is a schematic view of punching and trimming the extruded hub blank
  • FIG. 10a is a schematic view of the billet before being strongly spun by a spinning machine
  • FIG. 10b is a schematic view of a spinning machine for strongly spinning a blank into a hollow rotating body hub blank.
  • the method for manufacturing an aluminum alloy wheel hub of the present invention comprises the following steps:
  • the first step preparing the material
  • the aluminum alloy hot-rolled sheet is made by hot-rolling an aluminum alloy ingot; the hot rolling treatment method is: the rolling temperature is 440 ° C to 500 ° C, and the finishing rolling temperature is 300 ° C to 350 ° C .
  • the aluminum alloy may be a 5-series aluminum alloy, a 6-series aluminum alloy or a 7-series aluminum alloy;
  • the 5-series aluminum alloy is preferably a high-magnesium aluminum alloy such as 5182, 5083, 5A05, 5A06;
  • the 6-series aluminum alloy is preferably an aluminum alloy such as 6061, 6082, 6013;
  • the 7-series aluminum alloy is preferably an aluminum alloy such as 7A04, 7B04, 7075, 7050, 7055, 7033;
  • the thickness of the aluminum alloy hot rolled sheet is preferably 30 mm to 80 mm in accordance with the size of the hub.
  • the extrusion may be hot extrusion, warm extrusion or cold extrusion
  • the present invention can save raw materials by squeezing the central portion of the aluminum alloy to the rim portion by extrusion.
  • the extruded blank is punched and trimmed to obtain a blank as shown in FIG. 4a and FIG. 4b;
  • the spinning may be hot spinning, warm spinning or cold spinning.
  • the stabilization treatment method is: the hollow rotating body hub blank is kept in a continuous annealing furnace at 100 ° C ⁇ 250 ° C for 0.5 ⁇ 6h;
  • the method of solid solution heat treatment is: heating the hollow rotating body hub blank to 440 ° C ⁇ 5 in a solid solution furnace
  • the machining and surface treatment methods are: edge removal, sanding, polishing and painting.
  • a 5A06 aluminum alloy hot-rolled thick plate having a thickness of 30 mm is punched out into a disk-shaped blank having a size of D800 mm; the disk-shaped blank is drawn deep on a spinning machine into a disk-shaped blank; then the disk is shaped
  • the billet is kept at 380 ° C, and the center portion of the spokes of the disc-shaped billet is hot-extruded on the forging press, so that the material of the center portion flows to the spokes, the rim and the rim; and then the core is strongly spun into a hollow on the spinning machine.
  • Rotating body hub blank; then the hollow rotating body hub blank is kept in a continuous annealing furnace at 200 ° C for 2 h for stabilization treatment; finally, the hub is machined and subsequently surface treated to obtain a finished automobile aluminum alloy wheel.
  • 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

L'invention concerne un procédé permettant de fabriquer un moyeu de roue en alliage d'aluminium, ledit procédé comprenant les étapes suivantes : une étape 1 de préparation du matériau consistant à former un flan rond à partir d'une plaque laminée à chaud en alliage d'aluminium ; une étape 2 d'étirage consistant à étirer, à l'aide d'une machine de moulage par centrifugation ou d'une machine à poinçonner, le flan rond pour obtenir une pièce brute en forme de disque ; une étape 3 d'extrusion consistant à mettre en œuvre, à l'aide d'une presse à forger, une extrusion de la partie centrale des rayons de la pièce brute en forme de disque de telle sorte que le matériau de la partie centrale s'écoule vers les rayons, le rebord et les parties périphériques ; une étape 4 de perçage de trous et de découpage des bords consistant à percer des trous dans la pièce brute extrudée et à en couper les bords ; une étape 5 de moulage par centrifugation consistant à placer la pièce brute qui a subi une perforation de trous et une découpe des bords dans une machine de moulage par centrifugation et à mouler par centrifugation à une puissance élevée afin de former une pièce brute de moyeu de roue de corps rotatif creux ; une étape 6 de traitement thermique consistant à mettre en œuvre un traitement de stabilisation ou un traitement de vieillissement de solution solide sur la pièce brute de moyeu de roue de corps rotatif creux moulée par centrifugation ; et une étape 7 d'usinage et de traitement de surface consistant à mettre en œuvre un usinage et un traitement de surface sur la pièce brute de moyeu de roue en alliage d'aluminium traitée thermiquement, pour obtenir un produit de moyeu de roue en aluminium. Le procédé selon la présente invention simplifie les étapes de fabrication.
PCT/CN2014/088477 2014-06-13 2014-10-13 Procédé permettant de fabriquer un moyeu de roue en alliage d'aluminium Ceased WO2015188546A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410262549.8 2014-06-13
CN201410262549.8A CN104015007A (zh) 2014-06-13 2014-06-13 铝合金轮毂的制造方法

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CN111250931A (zh) * 2020-02-13 2020-06-09 广东领丰汽车科技实业有限公司 一种铝合金汽车轮毂的制作方法
CN115229437A (zh) * 2022-07-04 2022-10-25 西北稀有金属材料研究院宁夏有限公司 旋转挤压成形钢包套端盖加工方法及相应的模具和刀具
CN115740989A (zh) * 2022-12-10 2023-03-07 西安北方光电科技防务有限公司 一种用于抗高载高精度铝合金底座的加工方法
CN117718692A (zh) * 2023-12-12 2024-03-19 滨州戴森车轮科技有限公司 一种铸旋轮毂的生产方法
CN118023847A (zh) * 2024-01-30 2024-05-14 定南色耐特智能科技有限公司 轮毂生产方法及轮毂结构

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CN104015007A (zh) * 2014-06-13 2014-09-03 浙江巨科实业有限公司 铝合金轮毂的制造方法
CN104646945B (zh) * 2014-12-10 2017-04-12 中国兵器工业第五九研究所 一种特种高强铝合金零件成形方法
CN105014314A (zh) * 2015-06-24 2015-11-04 陈文建 一种轮毂锻造工艺
CN106392470A (zh) * 2015-07-29 2017-02-15 哈尔滨飞机工业集团有限责任公司 一种管端套类零件成形工艺方法
CN105112825A (zh) * 2015-09-23 2015-12-02 辽宁工程技术大学 一种液态模锻Al-Mg-Si合金的热处理方法
CN105200358A (zh) * 2015-09-23 2015-12-30 广东欧菲莱斯环保装饰材料有限公司 一种大型金属板材的成型工艺
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
CN105290730A (zh) * 2015-11-13 2016-02-03 董祥义 一种车轮毂的加工方法
CN105817552B (zh) * 2016-05-31 2018-06-12 合肥工业大学 一种涨紧轮的成形工艺
CN107052717A (zh) * 2017-04-01 2017-08-18 浙江金固股份有限公司 轮辐制造方法
CN108213866A (zh) * 2017-10-17 2018-06-29 席伟科 一种一体化铝轮毂的制作方法
CN108000066A (zh) * 2017-12-12 2018-05-08 江苏珀然股份有限公司 一种汽车轮毂的制造工艺
CN108057994A (zh) * 2017-12-12 2018-05-22 江苏珀然股份有限公司 一种轮毂的锻造方法
CN108608172B (zh) * 2018-05-02 2023-05-05 山西汤荣机械制造股份有限公司 一种加工旋压一体式铝合金汽车车轮的加工工艺
CN108380785A (zh) * 2018-05-04 2018-08-10 泗阳敏于行精密机械有限公司 一种节能高效的铝合金轮毂制备工艺及系统
CN108746469B (zh) * 2018-05-17 2020-05-15 湖北三环锻造有限公司 铝合金锻件冷热联合切边工艺
CN109719461A (zh) * 2018-09-30 2019-05-07 杭州华达机械有限公司 Epse助力系统盘毂及其制作工艺
CN110951998B (zh) * 2019-11-28 2020-12-08 辽宁忠旺集团有限公司 一种高温稳定6系铝合金型材的生产工艺
CN111992995A (zh) * 2020-08-24 2020-11-27 成都市龙泉通惠实业有限责任公司 一种汽车后轮轮罩的生产方法
CN112171196A (zh) * 2020-09-24 2021-01-05 长沙戴湘汽配科技有限公司 一种应用旋压机的轮毂生产工艺
CN112719070A (zh) * 2021-03-31 2021-04-30 常州江苏大学工程技术研究院 一种铝合金轮毂成型设备及其工作方法
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CN114289587B (zh) * 2021-12-31 2022-09-23 兰天车轮(连云港)有限公司 一种农业车轮的制造工艺及装置
CN114619213A (zh) * 2022-05-13 2022-06-14 鼎镁新材料科技股份有限公司 一种低应力组合式轻合金轮毂加工方法

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CN111250931A (zh) * 2020-02-13 2020-06-09 广东领丰汽车科技实业有限公司 一种铝合金汽车轮毂的制作方法
CN115229437A (zh) * 2022-07-04 2022-10-25 西北稀有金属材料研究院宁夏有限公司 旋转挤压成形钢包套端盖加工方法及相应的模具和刀具
CN115229437B (zh) * 2022-07-04 2024-02-13 西北稀有金属材料研究院宁夏有限公司 旋转挤压成形钢包套端盖加工方法及相应的模具和刀具
CN115740989A (zh) * 2022-12-10 2023-03-07 西安北方光电科技防务有限公司 一种用于抗高载高精度铝合金底座的加工方法
CN117718692A (zh) * 2023-12-12 2024-03-19 滨州戴森车轮科技有限公司 一种铸旋轮毂的生产方法
CN118023847A (zh) * 2024-01-30 2024-05-14 定南色耐特智能科技有限公司 轮毂生产方法及轮毂结构

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