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    Process for manufacturing a bearing ring member as a constituent of a rolling bearing unit for wheel support
    4.
    发明授权
    Process for manufacturing a bearing ring member as a constituent of a rolling bearing unit for wheel support 有权
    用于制造用于车轮支撑的滚动轴承单元的构件的轴承环构件的制造方法

    公开(公告)号：US08635775B2

    公开(公告)日：2014-01-28

    申请号：US12096725

    申请日：2006-12-05

    Applicant: Kazuto Kobayashi ,  Yuu Yasuda ,  Kiyoshi Ootsuka

    Inventor： Kazuto Kobayashi ,  Yuu Yasuda ,  Kiyoshi Ootsuka

    IPC: B21K1/40

    CPC classification number: B21K1/40 ,  B21J5/02 ,  B21K23/04 ,  F16C19/186 ,  F16C33/64 ,  F16C2326/02 ,  Y10T29/49533 ,  Y10T29/49636 ,  Y10T29/49679 ,  Y10T29/49689

    Abstract: This invention provided a manufacturing method to process a small-diameter step section 18 on an inside end section of a hub body 13a that comprises an outward facing flange 15 and a positioning cylinder 16 stably and with high precision. In this invention, an intermediate material 40 is pressed between a lower punch 36 and an upper punch 46 with an outer peripheral surface of the intermediate material 40 being held by a lower die 37 and an upper die 43, and then a part of the intermediate material 40 is pressed into the lower punch 36 such that the small-diameter step section 18 is formed by cold plastic working.

    Abstract translation: 本发明提供了一种在毂体13a的内端部处处理小直径台阶部18的制造方法，其特征在于，其具有稳定且高精度的向外凸缘15和定位筒16。 在本发明中，中间材料40被压在下冲头36和上冲头46之间，中间材料40的外周面由下模37和上模43保持，然后是中间材料的一部分 材料40被压入下冲头36，使得小直径台阶部分18通过冷塑性加工形成。

    Process for Manufacturing a Bearing Ring Member as a Constituent of a Rolling Bearing Unit for Wheel Support
    5.
    发明申请
    Process for Manufacturing a Bearing Ring Member as a Constituent of a Rolling Bearing Unit for Wheel Support 有权
    用于制造用于车轮支撑的滚动轴承单元的构件的轴承环构件的制造方法

    公开(公告)号：US20100011582A1

    公开(公告)日：2010-01-21

    申请号：US12096725

    申请日：2006-12-05

    Applicant: Kazuto Kobayashi ,  Yuu Yasuda ,  Kiyoshi Ootsuka

    Inventor： Kazuto Kobayashi ,  Yuu Yasuda ,  Kiyoshi Ootsuka

    IPC: B21K1/04

    CPC classification number: B21K1/40 ,  B21J5/02 ,  B21K23/04 ,  F16C19/186 ,  F16C33/64 ,  F16C2326/02 ,  Y10T29/49533 ,  Y10T29/49636 ,  Y10T29/49679 ,  Y10T29/49689

    Abstract: This invention provided a manufacturing method to process a small-diameter step section 18 on an inside end section of a hub body 13a that comprises an outward facing flange 15 and a positioning cylinder 16 stably and with high precision. In this invention, an intermediate material 40 is pressed between a lower punch 36 and an upper punch 46 with an outer peripheral surface of the intermediate material 40 being held by a lower die 37 and an upper die 43, and then a part of the intermediate material 40 is pressed into the lower punch 36 such that the small-diameter step section 18 is formed by cold plastic working.

    Abstract translation: 本发明提供了一种在毂体13a的内端部处处理小直径台阶部18的制造方法，其特征在于，其具有稳定且高精度的向外凸缘15和定位筒16。 在本发明中，中间材料40被压在下冲头36和上冲头46之间，中间材料40的外周面由下模37和上模43保持，然后是中间材料的一部分 材料40被压入下冲头36，使得小直径台阶部分18通过冷塑性加工形成。

    Method for manufacturing a bearing ring member
    6.
    发明授权
    Method for manufacturing a bearing ring member 有权
    制造轴承环构件的方法

    公开(公告)号：US08424205B2

    公开(公告)日：2013-04-23

    申请号：US12523178

    申请日：2008-01-21

    Applicant: Kazuto Kobayashi ,  Hiroshi Koyama ,  Yuu Yasuda

    Inventor： Kazuto Kobayashi ,  Hiroshi Koyama ,  Yuu Yasuda

    IPC: B21D22/00 ,  B21K1/40

    CPC classification number: F16C33/64 ,  B21K1/04 ,  F16C19/185 ,  F16C19/186 ,  F16C2326/02 ,  Y10T29/49533 ,  Y10T29/49636 ,  Y10T29/49679

    Abstract: The present invention provides a manufacturing method of a bearing ring member such as an outer ring comprising an installation portion on the outer peripheral surface and a double row of outer-ring raceways on the inner peripheral surface, in which a raw material is processed to obtain a final stage intermediate member through a first upsetting process, a forward-backward extrusion process, a second upsetting process, a burr removing process, and a punching process, wherein a movable die which leaves a stationary die in the final step is used in the second upsetting process, and the excess metal material is moved toward outside in the radial direction to a portion which become the installation section and a burr formation section, exposing a high pure metal material at least in a portion where the load of rolling bodies acts so as to ensure the rolling fatigue life of the both of outer-ring raceways.

    Abstract translation: 本发明提供一种诸如外圈的轴承环构件的制造方法，其包括在外周面上的安装部分和在内周面上的双列外圈滚道，其中处理原料以获得 通过第一镦锻工艺，前后挤出工艺，第二镦锻工艺，毛刺去除工艺和冲压工艺的最终阶段中间构件，其中在最终步骤中离开固定模具的可动模具用于 第二镦锻工艺，多余的金属材料向径向外侧移动到成为安装部的部分和毛刺形成部，至少在滚动体的载荷作用的部分至少露出高纯金属材料 以确保两个外圈滚道的滚动疲劳寿命。

    BEARING UNIT RACEWAY RING MEMBER, BEARING UNIT, AND METHOD AND APPARATUS FOR MANUFACTURING BEARING UNIT RACEWAY RING MEMBER
    7.
    发明申请
    BEARING UNIT RACEWAY RING MEMBER, BEARING UNIT, AND METHOD AND APPARATUS FOR MANUFACTURING BEARING UNIT RACEWAY RING MEMBER 审中-公开
    轴承单元环形构件，轴承单元，以及用于制造轴承单元环形构件的方法和装置

    公开(公告)号：US20090263065A1

    公开(公告)日：2009-10-22

    申请号：US12376716

    申请日：2007-08-07

    Applicant: Kazuto Kobayashi ,  Yuu Yasuda ,  Kiyoshi Ootsuka ,  Masato Nagano ,  Kenichi Nagai ,  Tatsuo Wakabayashi

    Inventor： Kazuto Kobayashi ,  Yuu Yasuda ,  Kiyoshi Ootsuka ,  Masato Nagano ,  Kenichi Nagai ,  Tatsuo Wakabayashi

    IPC: F16C33/58 ,  B21K1/04

    CPC classification number: B60B27/00 ,  B21K1/12 ,  B21K1/40 ,  B21K1/762 ,  B21K23/00 ,  F16C19/185 ,  F16C19/186 ,  F16C19/386 ,  F16C33/64 ,  F16C35/073 ,  F16C2326/02 ,  Y10T29/49689

    Abstract: There is provided a bearing unit including one raceway ring 2 which is mounted on a vehicle body, the other raceway ring 4 which is disposed to face the one raceway ring 2 and is mounted on a wheel, and a plurality of rolling elements 6, 8 which are built in rollably between an outer ring raceway 2s and an inner ring raceway 4s which are formed continuously on facing surfaces of both the raceway rings 2, 4, respectively, along a circumferential direction, at least either of the raceway rings 2, 4 having a connecting flange 12a or a mounting flange 12a at which the raceway ring is mounted on the vehicle body or the wheel, wherein both the raceway rings 2, 4 are formed entirely through cold forging with no machining given to a surface of the flange 2a, 12a, while a quenching and tempering treatment by electromagnetic induction and grinding are given to at least the outer ring raceway 2s and the outer ring raceway 4s.

    Abstract translation: 提供了一种轴承单元，其包括一个安装在车体上的滚道环2，另一个滚道环4设置成面对一个滚道环2并安装在车轮上，以及多个滚动元件6,8 它们可滚动地设置在外圈滚道2s和内圈滚道4之间，内圈滚道4s分别沿着圆周方向连续地形成在两个滚道环2,4的相对表面上，至少一个滚道环2,4 具有连接凸缘12a或安装凸缘12a，滚道环安装在车身或车轮上，其中两个滚道环2,4完全通过冷锻而形成，而不对凸缘2a的表面进行加工 12a，同时通过电磁感应和研磨进行淬火回火处理，至少给予外圈滚道2s和外圈滚道4s。

    METHOD FOR MANUFACTURING A BEARING RING MEMBER
    8.
    发明申请
    METHOD FOR MANUFACTURING A BEARING RING MEMBER 有权
    制造轴承圈成员的方法

    公开(公告)号：US20100058591A1

    公开(公告)日：2010-03-11

    申请号：US12523178

    申请日：2008-01-21

    Applicant: Kazuto Kobayashi ,  Hiroshi Koyama ,  Yuu Yasuda

    Inventor： Kazuto Kobayashi ,  Hiroshi Koyama ,  Yuu Yasuda

    IPC: B21D53/10

    CPC classification number: F16C33/64 ,  B21K1/04 ,  F16C19/185 ,  F16C19/186 ,  F16C2326/02 ,  Y10T29/49533 ,  Y10T29/49636 ,  Y10T29/49679

    Abstract: The present invention provides a manufacturing method of a bearing ring member such as an outer ring comprising an installation portion on the outer peripheral surface and a double row of outer-ring raceways on the inner peripheral surface, in which a raw material is processed to obtain a final stage intermediate member through a first upsetting process, a forward-backward extrusion process, a second upsetting process, a burr removing process, and a punching process, wherein a movable die which leaves a stationary die in the final step is used in the second upsetting process, and the excess metal material is moved toward outside in the radial direction to a portion which become the installation section and a burr formation section, exposing a high pure metal material at least in a portion where the load of rolling bodies acts so as to ensure the rolling fatigue life of the both of outer-ring raceways.

    Abstract translation: 本发明提供一种诸如外圈的轴承环构件的制造方法，其包括在外周面上的安装部分和在内周面上的双列外圈滚道，其中处理原料以获得 通过第一镦锻工艺，前后挤出工艺，第二镦锻工艺，毛刺去除工艺和冲压工艺的最终阶段中间构件，其中在最终步骤中离开固定模具的可动模具用于 第二镦锻工艺，多余的金属材料向径向外侧移动到成为安装部的部分和毛刺形成部，至少在滚动体的载荷作用的部分至少露出高纯金属材料 以确保两个外圈滚道的滚动疲劳寿命。

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