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    • 8. 发明申请
    • WORKPIECE EDGE DETECTION USING PLASMA ARC CUTTING SYSTEM
    • 使用等离子弧切割系统的工件边缘检测
    • US20160354856A1
    • 2016-12-08
    • US15173537
    • 2016-06-03
    • Hypertherm, Inc.
    • John PetersRichard Adams
    • B23K10/00
    • B23K10/006B23K10/00
    • Systems and methods can be provided to use an automated cutting system to identify an edge or multiple edges of a workpiece. An automated cutting system receives trace data for a test path to be traced over a workpiece. The automated cutting system includes a torch from which gas is flowed. The torch is controlled in accordance with the trace data to trace the test path over the workpiece. A set of back pressure values are obtained by monitoring a back pressure of the gas during the tracing of the path. The back pressure values are mapped to a set of coordinates. An edge of the workpiece is identified using the set of back pressure values and the set of coordinates.
    • 可以提供系统和方法来使用自动切割系统来识别工件的边缘或多边缘。 自动切割系统接收要跟踪在工件上的测试路径的轨迹数据。 自动切割系统包括气体流过的割炬。 焊枪根据跟踪数据进行控制,以跟踪工件上的测试路径。 通过在跟踪路径期间监测气体的背压获得一组背压值。 背压值映射到一组坐标。 使用一组背压值和一组坐标来识别工件的边缘。