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    METHOD AND DEVICE FOR WIRE ELECTRICAL DISCHARGE MACHINING
    1.
    发明公开
    METHOD AND DEVICE FOR WIRE ELECTRICAL DISCHARGE MACHINING 审中-公开

    公开(公告)号：EP4389334A1

    公开(公告)日：2024-06-26

    申请号：EP22216272.9

    申请日：2022-12-23

    申请人： Agie Charmilles SA

    发明人： Wiessner, Moritz ,  Boccadoro, Marco

    IPC分类号： B23H7/02 ,  B23H7/20

    CPC分类号： B23H7/02 ,  B23H7/20

    摘要： The invention provides a method for determining a condition of a wire electrode deployed in a wire electrical discharge machine, the wire electrical discharge machine comprising a wire traveling circuit with a first- and a second wire guiding head by which the wire electrode is guided and positioned in relation to a workpiece laying between these wire guiding heads. The wire electrode is in contact with a first- and a second electrical contact, both contacts being located on the wire traveling circuit. The first- and the second electrical contact and a wire electrode segment L of said wire electrode lay after the workpiece processing section in wire traveling direction. An electrical impedance ZL of the wire electrode segment L between the first- and the second electrical contact is measured, and the condition of the wire electrode is derived from the measured electrical impedance ZL of said wire electrode segment L.

    A TOOL CHANGER FOR AN ELECTRICAL DISCHARGE MACHINE TOOL AND THE ELECTRICAL DISCHARGE MACHINE TOOL
    3.
    发明公开
    A TOOL CHANGER FOR AN ELECTRICAL DISCHARGE MACHINE TOOL AND THE ELECTRICAL DISCHARGE MACHINE TOOL 审中-公开

    公开(公告)号：EP4378614A1

    公开(公告)日：2024-06-05

    申请号：EP22210734.4

    申请日：2022-12-01

    申请人： Agie Charmilles SA

    发明人： PARIDE PEDRINI, Brian ,  TADÉ, Luca

    IPC分类号： B23H11/00 ,  B23Q3/155

    CPC分类号： B23H11/00 ,  B23Q2003/1553720161101 ,  B23Q3/15506

    摘要： The present invention is a tool changer for electrical discharge machine tool (100), in particular for loading and unloading at least one tool electrode holder to be mounted in a chuck of the electrical discharge machine tool for machining a workpiece. The tool changer comprising:
    a. a base (2) having a back wall (3c) and two side walls (3a, 3b), wherein on each side wall a linear guide is provided horizontally;
    b. a holding plate (7) coupled to the linear guide to allow the displacement of the holding plate on a horizontal plane on the linear guide in its longitudinal direction defined as extending direction;
    c. a plurality of forks (9) for receiving the tool electrode holder (41) mounted on the holding plate;
    d. a driving unit connected to the holding plate to enable the movement of the holding plate between a retracted position and an extending position, wherein in the retracted position the holding plate is positioned closely to the back wall and in the extending position the holding plate is moved away from the back wall, wherein the driving unit includes a first actuator and a second actuator, the longitudinal axis of each actuator being arranged at a defined angle to the extending direction of the tool changer..

    WIRE ELECTRICAL DISCHARGE MACHINING METHOD
    6.
    发明公开
    WIRE ELECTRICAL DISCHARGE MACHINING METHOD 审中-公开

    公开(公告)号：EP3711886A1

    公开(公告)日：2020-09-23

    申请号：EP19164591.0

    申请日：2019-03-22

    申请人： Agie Charmilles SA

    发明人： Metral-Boffod, Sandrine ,  Reverchon, Alain ,  Jaques, Fabrice

    IPC分类号： B23H1/02 ,  B23H7/06 ,  B23H7/14

    摘要： The invention is related to a method for the monitoring of a wire electrical discharge machining (WEDM) process, the method comprising the steps of: setting a unit observation length for the signal acquisition, continuously acquiring at least one process signal which is representative of an amount of material removed by at least one discharge and the position (X;Y) of said at least one discharge, and determining, based on said at least one process signal and one or more properties of a current machining, a cumulated amount of material removed per unit observation length along a machining path, including amounts of material removed by travelling in a forward cutting direction and amounts of material removed by travelling in a reverse cutting direction.

    LINEAR SHAFT MOTOR
    8.
    发明公开
    LINEAR SHAFT MOTOR 审中-公开
    直线轴电机

    公开(公告)号：EP3322075A1

    公开(公告)日：2018-05-16

    申请号：EP16198315.0

    申请日：2016-11-11

    申请人： Agie Charmilles SA

    发明人： Taborelli, Marco

    IPC分类号： H02K41/03 ,  H02K9/19 ,  H02K5/20

    CPC分类号： H02K9/10 ,  B23H11/003 ,  H02K5/20 ,  H02K9/19 ,  H02K9/22 ,  H02K41/031

    摘要： The invention relates to a linear shaft motor (1) comprising a slider (10) and a tubular magnetic shaft (30), whereas the slider (10) comprises an oblong cuboid shaped motor housing (101) having a rectangular cross-section with a longitudinal central bore (180). According to the invention the motor housing (101) comprises at least two longitudinal cooling holes (161, 162, 163, 164, 165, 166, 167, 168) which are part of a integrated fluid cooling circuit. According to the invention the at least two longitudinal cooling holes (161-168) are distributed symmetrically at a left and at a right side of the central bore (180), whereas the central axis (15) of any of the longitudinal cooling holes (161 - 168) lays below the topmost portion (20) of the central bore (180) and above the lowermost portion (25) of the central bore (180).

    摘要翻译： 本发明涉及一种包括滑块（10）和管状磁轴（30）的线性轴马达（1），而滑块（10）包括具有矩形横截面的椭圆形长方体形马达壳体（101） 纵向中心孔（180）。 根据本发明，电机壳体（101）包括作为集成流体冷却回路的一部分的至少两个纵向冷却孔（161,162,163,164,165,166,167,168）。 根据本发明，至少两个纵向冷却孔（161-168）在中心孔（180）的左侧和右侧对称地分布，而任何纵向冷却孔（161）的中心轴线（15） （180）的最高部分（20）下方和中心孔（180）的最低部分（25）之上。