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    Laser cutting method and laser cutting device
    2.
    发明授权
    Laser cutting method and laser cutting device 有权
    激光切割方法和激光切割装置

    公开(公告)号：US09434024B2

    公开(公告)日：2016-09-06

    申请号：US14350064

    申请日：2012-10-17

    申请人： NISSAN TANAKA CORPORATION

    发明人： Shinji Numata ,  Hirotaka Kamikihara ,  Yoshimi Sano

    IPC分类号： B23K26/08 ,  B23K26/14 ,  B23K26/38

    CPC分类号： B23K26/14 ,  B23K26/08 ,  B23K26/0869 ,  B23K26/0884 ,  B23K26/1435 ,  B23K26/38

    摘要： A laser cutting device includes a control unit which sets a steady oxygen concentration, a moving speed of a laser nozzle and laser beam steady control conditions based on a material and a plate thickness of the workpiece, decreases the moving speed of the laser nozzle to a first setting speed when the laser nozzle arrives a first setting position in front of an end point of a cutting trajectory, and decreases a relative moving speed of the laser nozzle to a second setting speed by varying the oxygen concentration of the cutting gas and the control condition of the laser beam when the laser nozzle arrives at a second setting position.

    摘要翻译： 激光切割装置包括控制单元，其设置稳定的氧浓度，激光喷嘴的移动速度和基于工件的材料和板厚度的激光束稳定控制条件，将激光喷嘴的移动速度降低到 当激光喷嘴到达切割轨迹的终点前的第一设定位置时的第一设定速度，并且通过改变切割气体的氧浓度和控制器将激光喷嘴的相对移动速度降低到第二设定速度 当激光喷嘴到达第二设定位置时激光束的状态。

    Process for joining using a laser beam
    10.
    发明授权
    Process for joining using a laser beam 失效
    使用激光束进行接合的方法

    公开(公告)号：US07842900B2

    公开(公告)日：2010-11-30

    申请号：US11780210

    申请日：2007-07-19

    申请人： Nicholas Peter Longfield ,  Engbert Jan De Wit

    发明人： Nicholas Peter Longfield ,  Engbert Jan De Wit

    IPC分类号： B23K26/20 ,  B23K26/14

    CPC分类号： B23K26/067 ,  B23K1/0056 ,  B23K26/0869 ,  B23K26/123 ,  B23K26/1435 ,  B23K26/1438 ,  B23K26/147 ,  B23K26/242 ,  B23K26/702 ,  B23K2103/10

    摘要： A process for joining a first metal component to a second metal component at a joining region including the steps of: projecting a laser beam onto one or the components for providing a melt pool on the joining region; providing a metal filler wire into the melt pool while substantially simultaneously providing a substantially laminar flow of a substantially inert process shielding gas to the location of the melt pool wherein the process shielding gas flows substantially coaxially around the filler wire; and solidifying the melt pool thereby forming a joint at the joining.

    摘要翻译： 一种用于在接合区域将第一金属部件接合到第二金属部件的方法，包括以下步骤：将激光束投射到一个或用于在接合区域上提供熔池的部件; 在熔池中提供金属填充线，同时基本上同时向熔池的位置提供基本惰性的工艺保护气体的基本层流，其中过程保护气体基本上同轴地围绕填充线流动; 并使熔融体凝固，从而在接合时形成接头。