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    • 8. 发明公开
    • VEHICLE WHEEL FOR PASSENGER CARS
    • FAHRZEUGRADFÜRPERSONENKRAFTWAGEN
    • EP2828102A1
    • 2015-01-28
    • EP14708687.0
    • 2014-02-20
    • Hayes Lemmerz Holding GmbH
    • KERMELK, WernerRODE, KarlSTELZER, Günter
    • B60B3/00B60B3/10B60B3/04
    • B60B3/10B60B3/007B60B3/04B60B2310/206B60B2310/213B60B2310/226B60B2310/302B60B2900/311B60B2900/513B60Y2200/11
    • Vehicle wheel comprising a rim part (1) and a disc part (10) formed from a one-piece sheet metal blank and including a central portion (11) with bolt holes (13) and a plurality of radially extending spoke arrangements (15) merging into a disc edge (19) delimiting together with the spoke arrangements ventilation apertures (5) which extend over the region between the edge webs (18) and the disc edge (19). In order to create steel wheels with four-hole fixing in which high strength and stiffness are achieved the number of spoke arrangements (15) and of bolt holes (13) is four and these are in each case arranged mirror- symmetrically with respect to a common radial line (R1), with the width (B) of each spoke arrangement (15) narrowing radially towards the outside and each ventilation aperture (5) extending in the circumferential direction over an arc length (L') of more than 1/6 of the circumference of the disc part (10). Further, each ventilation aperture (5) is having on a radial line (R2) a maximum radial clear width (W) which is equal to or preferably greater than the radial width (S) of the metal portion of the disc part (10) on the same radial line (R2).
    • 车轮包括边缘部分和由单件金属板坯形成的盘部分,并且包括具有螺栓孔的中心部分和多个径向延伸的辐条装置,所述多个径向延伸的辐条装置合并成与轮辐装置一起限定的盘形边缘,所述通风孔延伸 在边缘腹板和圆盘边缘之间的区域上。 为了创建具有四孔固定的钢轮,其中实现了高强度和刚度,轮辐布置和螺栓孔的数量是四个,并且在每种情况下相对于共同的径向线被镜对称地布置,其中 每个辐条装置的宽度径向地朝向外部变窄,并且每个通风孔在圆周方向上延伸超过圆盘部分圆周的圆弧长度。 此外,每个通风孔在径向线上具有等于或优选地大于相同径向线上的盘部分的金属部分的径向宽度的最大径向透明宽度。
    • 10. 发明公开
    • Method and device for punching holes in double-walled materials
    • Verfahren und Vorrichtung zum Durchstechen vonLöchernin doppelwandige Materialien
    • EP2422895A1
    • 2012-02-29
    • EP10174050.4
    • 2010-08-25
    • Holland Mechanics BV
    • Wessels, Jasper Johannes
    • B21D28/30B21D28/34B60B21/06
    • B21D28/30B21D28/34B60B21/062B60B2310/213B60Y2200/13
    • It is described a method of making holes in a first plate (1) and in a second plate (2) situated at a distance (3) from the first plate. The method comprises the steps of punching a hole in the first plate by means of a punch nipple (5); punching a concentric part (CP) which includes the hole out of the first plate (1); punching a hole in the second plate by means of the punch nipple (5); and pushing the punched out concentric part (CP) onto the hole into the second plate (2). This results in increased strength and stress characteristics especially around the hole in the second plate (2), which in turn may result in material savings, especially if the method is applied to a hollow rim of a wheel winch is to be provided with spokes by means of spoke nipples attached to the rim.
    • 描述了在位于距离第一板的距离(3)的第一板(1)和第二板(2)中制造孔的方法。 该方法包括以下步骤:通过冲头(5)冲压第一板中的孔; 冲压包括第一板(1)中的孔的同心部分(CP); 通过冲头接头(5)在第二板上冲孔; 并将冲出的同心部分(CP)推到孔中进入第二板(2)。 这导致特别是在第二板(2)中的孔附近增加的强度和应力特性,这进而可以导致材料节省,特别是如果将该方法应用于车轮绞盘的中空边缘将被设置有轮辐 连接在轮辋上的辐条奶嘴的装置。