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    • 7. 发明申请
    • Methods And Systems For Predictive Torch Height Control
    • 预测火炬高度控制方法与系统
    • US20090312862A1
    • 2009-12-17
    • US12485606
    • 2009-06-16
    • Matthew Fagan
    • Matthew Fagan
    • G05B19/19
    • B23K10/006B23K26/046B23K26/048B23K26/38
    • A method for controlling a height of a cutting torch, includes loading a workpiece onto a numerical control machine, scanning the workpiece with a scanning device at a plurality of discrete points on an upper surface of the workpiece, measuring an X-, a Y-, and a Z-coordinate for each respective one of the scanned discrete points, where X and Y define a plane substantially parallel to the loaded workpiece and Z represents a distance between the upper surface and the scanning device at a respective discrete point, storing the measured XYZ coordinates from each of the scanned discrete points into a data set, mathematically fitting the stored data set to a smooth surface representative of the upper surface of the loaded workpiece, and cutting the workpiece along a cutting path programmed into the numerical control machine, while controlling the cutting torch height to correspond to the representative smooth surface.
    • 一种用于控制割炬的高度的方法,包括将工件装载到数控机床上,在工件的上表面上的多个离散点处用扫描装置扫描工件,测量X,Y轴, 和每个扫描的离散点中的每一个的Z坐标,其中X和Y限定基本上平行于加载的工件的平面,Z表示在相应离散点处的上表面和扫描装置之间的距离, 将从每个扫描的离散点测量的XYZ坐标转换成数据集,将存储的数据集数学拟合到表示所加载的工件的上表面的平滑表面,以及沿着被编程到数控机床中的切割路径切割工件, 同时控制割炬高度对应于代表性的光滑表面。