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    ELBOW MANUFACTURING METHOD, CUTTING TOOL, AND ELBOW
    1.
    发明公开
    ELBOW MANUFACTURING METHOD, CUTTING TOOL, AND ELBOW 审中-公开
    WINKELHERSTELLUNGSVERFAHREN，SCHNEIDWERKZEUG UND WINKEL

    公开(公告)号：EP3028797A1

    公开(公告)日：2016-06-08

    申请号：EP13890456.0

    申请日：2013-12-27

    申请人： Noda Kanagata Co. Ltd.

    发明人： HORIGUCHI, Nobuo

    IPC分类号： B23C3/00 ,  B23C5/10 ,  B23Q5/04

    CPC分类号： B23C5/1027 ,  B23B5/365 ,  B23C3/16 ,  B23C2220/04 ,  B23C2220/68 ,  Y10T409/303752 ,  Y10T409/304368 ,  Y10T409/304424

    摘要： Provided is a method of manufacturing an elbow, including: a first cutting step of cutting a material by relatively moving a cutting section of a cutting tool, which is formed of at least a part of a substantially spherical shape, along an inner side surface of the elbow to be finished in a direction from a first end surface to a second end surface of the material; and a second cutting step of cutting the material by relatively moving the cutting section along the inner side surface of the elbow to be finished in a direction from the second end surface to the first end surface of the material.

    摘要翻译： 提供一种制造弯头的方法，包括：第一切割步骤，通过相对移动由至少一部分大致球形形状的切割工具的切割部分沿着内侧面 所述肘部在从所述材料的第一端面到第二端面的方向上完成; 以及第二切割步骤，通过沿着从所述材料的所述第二端面到所述第一端面的方向沿着待成形的所述肘的内侧表面相对移动所述切割部来切割所述材料。

    ELBOW FORMED BY CUTTING AND METHOD FOR MANUFACTURING SAME
    4.
    发明公开
    ELBOW FORMED BY CUTTING AND METHOD FOR MANUFACTURING SAME 审中-公开
    MITTELS AUSSCHNITT GEFORMTESBOGENSTÜCKUND HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号：EP2586551A1

    公开(公告)日：2013-05-01

    申请号：EP10854058.4

    申请日：2010-06-28

    申请人： Noda Kanagata Co. Ltd. ,  Horiguchi, Keiko

    发明人： HORIGUCHI, Nobuo

    IPC分类号： B23C3/00 ,  B23C3/16

    CPC分类号： B23C3/16 ,  B23C5/08 ,  B23C5/109 ,  B23C2220/04 ,  B23C2220/52 ,  B23C2222/84 ,  B23C2222/88 ,  B23C2265/40 ,  F16L43/001 ,  Y10T409/303808

    摘要： A hole is formed in an elbow through the steps of: forming a starting hole in a material, the starting hole having an undercut remaining on a hole surface; finishing an inner diameter of the starting hole (11 -3 ) on one end side by revolving a side cutter (II) including an arc-shaped cutting edge and having an outer diameter smaller than a finishing hole diameter while rotating the side cutter (II) in such a posture that the side cutter (II) is inclined in a predetermined direction relative to the material (12), the revolving being carried out so that the side cutter moves along a hole surface to be finished; and finishing the inner diameter of the starting hole (11 -3 ) on another end side by revolving the side cutter (II) while rotating the side cutter (II).

    摘要翻译： 通过以下步骤在弯头形成孔：在材料中形成起始孔，起始孔具有保留在孔表面上的底切; 通过旋转包括弧形切削刃并具有小于精加工孔直径的外径的侧铣刀（II），同时旋转侧铣刀（II），使一端侧的起动孔（11-3）的内径精整 ）使得侧铣刀（II）相对于材料（12）沿预定方向倾斜，使得侧铣刀沿着待加工的孔表面移动; 并且通过在旋转侧刀（II）的同时旋转侧铣刀（II），在另一端侧处理起始孔（11-3）的内径。