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    Numerical controller
    4.
    发明授权
    Numerical controller 有权

    公开(公告)号：US10427231B2

    公开(公告)日：2019-10-01

    申请号：US15148364

    申请日：2016-05-06

    申请人： FANUC Corporation

    发明人： Yasuyuki Kurohara

    IPC分类号： B23H1/02 ,  B23H3/04 ,  B23H7/06 ,  B23H7/20 ,  G05B19/404

    摘要： A numerical controller controlling a wire electric discharge machining device of the present invention is configured to perform perpendicular setting of the wire electrode with respect to the workpiece while the wire electrode is inserted into and passed through a machining hole of a workpiece and calculate the inclination of the workpiece; drive an XY axis and detect short-circuit; obtain the diameter of the machining start hole; subsequently drive the upper wire guide and the lower wire guide respectively and detect the short-circuit and calculate the location of the center of the upper portion of the machining start hole and the location of the center of the lower portion of the machining start hole; and, based on these calculated values, calculate the correction amount for the workpiece on the upper wire guide surface of the upper wire guide and the correction amount for the workpiece on the lower wire guide surface of the lower wire guide.

    Method for producing cavities for a turbomachine disk
    5.
    发明授权
    Method for producing cavities for a turbomachine disk 有权

    公开(公告)号：US10399168B2

    公开(公告)日：2019-09-03

    申请号：US14898781

    申请日：2014-06-06

    申请人： SAFRAN AIRCRAFT ENGINES

    发明人： Janvier Lecomte ,  Jean-Michel Buelyha ,  Juri Kraft ,  Andreas Grützmacher

    IPC分类号： B23H3/04 ,  B23H9/00 ,  B23H9/02 ,  F01D5/02 ,  B23H9/10

    摘要： A method for producing cavities in a turbomachine disk, the cavities extending between first and second lateral surfaces of the disk, the method including positioning a ring facing the first surface, the ring including an inner periphery including protrusions complementary in shape to the cavities that are to be produced; circulating an electrolyte close to the protrusions on the ring; activating a first translational movement of the ring towards the second surface; activating a rotation of the disk; generating an electric current pulse in the electrolyte when the ring is substantially at the first surface, the pulse resulting in the ionic dissolution of the disk at the protrusions; reducing the speed of rotation to a first reduced speed, when the ring is substantially at the first surface, for a first period of time; and stopping the first translation of the ring when the ring is beyond the second surface.

    MACHINING APPARATUS AND MACHINING SYSTEM
    10.
    发明申请
    MACHINING APPARATUS AND MACHINING SYSTEM 审中-公开

    公开(公告)号：US20180272449A1

    公开(公告)日：2018-09-27

    申请号：US15762859

    申请日：2016-09-22

    申请人： General Electric Company

    发明人： Yuanfeng LUO ,  Yong WU ,  Paolo MOLA ,  Dragan FILIPOVIC

    IPC分类号： B23H3/04 ,  B23H7/26 ,  B23H9/10 ,  B23H9/14

    CPC分类号： B23H3/04 ,  B23H7/265 ,  B23H9/10 ,  B23H9/14 ,  B23H2400/10

    摘要： A machining apparatus is disclosed, which includes a curved outer conduit, a curved rotary electrode and a driving motor. The outer conduit has a cavity and a fluid inlet in fluid communication with the cavity. The electrode includes a flexible shaft positioned in the cavity and having a first end and a second end, and a machining head having a fluid outlet in fluid communication with the cavity and electrically connected with the first end of the flexible shaft to be powered via the flexible shaft. The motor is mechanically coupled to the second end of the flexible shaft for driving the flexible shaft to rotate. A machining system is also disclosed, which includes the machining apparatus, a power supply for powering the flexible shaft, an electrolyte supply for providing electrolyte to the fluid inlet and a machine tool onto which the outer conduit and the motor are positioned.