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    Machine tool and gear machining method
    59.
    发明授权
    Machine tool and gear machining method 有权

    公开(公告)号：US11383313B2

    公开(公告)日：2022-07-12

    申请号：US16667968

    申请日：2019-10-30

    申请人： JTEKT Corporation

    发明人： Kazuki Natsuda ,  Kento Takeuchi ,  Hisashi Otani ,  Hiroyuki Nakano

    IPC分类号： B23Q3/157 ,  B23Q17/22 ,  B23F5/22 ,  B23F5/16 ,  B23F23/12 ,  B23F17/00 ,  B23Q3/155 ,  B23F19/10 ,  B23Q11/08

    摘要： A machine tool includes a workpiece holder, a tool holder holding working tools that includes a hob cutter used in a rough machining and a skiving cutter used in a finish machining, a tool magazine, a tool replacing device replacing one of the working tools mounted on the tool holder with the other of working tools housed in the tool magazine, a rough machining controlling section performing the rough machining on the workpiece, a tool measuring device measuring a position of a blade in a rotation direction of the skiving cutter, an angle correcting section correcting a rotation angle of the skiving cutter based on a result measured by the tool measuring device, and placing a tooth space formed in the workpiece and an edge tip of the blade in a position corresponding to each other, and a finish machining controlling section by which workpiece is finish machined.

    Method for gear manufacturing machining of a workpiece
    60.
    发明授权
    Method for gear manufacturing machining of a workpiece 有权

    公开(公告)号：US11110529B2

    公开(公告)日：2021-09-07

    申请号：US16563752

    申请日：2019-09-06

    申请人： Liebherr-Verzahntechnik GmbH

    发明人： Martin Hipke

    IPC分类号： B23F5/16 ,  B23F17/00 ,  B23F23/08

    摘要： The present disclosure discloses a method for chip-removing gear manufacturing machining of a workpiece by means of a tool, where a rotation of the tool takes place in generating coupling with a rotation of the workpiece, in particular gear manufacturing machining of a workpiece by skiving, wherein the gear manufacturing machining is carried out in a plurality of machining steps, wherein the center distance and/or a rotational angle between the workpiece and the tool superimposed on the generating coupling is/are changed between two machining steps, so that the tool will cut in the machining steps a respective contour that extends alternately closer to a first and a second flank of the target toothing of the workpiece. According to the present disclosure, the same rotational angle may be used for a plurality of machining steps taking place closer to a second flank.