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    • 6. 发明授权
    • Automatic welding line tracing method and apparatus
    • 自动焊线追踪方法及装置
    • US4242620A
    • 1980-12-30
    • US918276
    • 1978-06-22
    • Osamu FujiwaraTakeshi ArayaTsugio Udagawa
    • Osamu FujiwaraTakeshi ArayaTsugio Udagawa
    • B23K9/127B23Q35/127G05B19/33
    • B23K9/1276B23Q35/127G05B2219/37425
    • An automatic welding line tracing method and apparatus for causing a welding torch to follow the welding line by using a single non-contact-type sensor for detecting the welding line which is continuously reciprocated to traverse the groove of two pieces to be welded. During the reciprocating motion of the sensor, the sensor generates output voltages E.sub.1 and E.sub.2 respectively obtained by detecting the both ends of the groove to obtain E.sub.1 -.delta. and E.sub.2 -.delta. on the basis of the detected voltages E.sub.1, E.sub.2 and a separately established reference voltage .delta., and an output voltage P.sub.S corresponding to the central position of the groove is obtained from E.sub.1 -.delta. and E.sub.2 -.delta. to thereby compare the voltage P.sub.S with a voltage indicative of the central position of the oscillating motion of the sensor to thereby cause the welding torch to follow the welding line in accordance with the difference between these two voltages.
    • 一种自动焊接线追踪方法和装置,用于通过使用用于检测连续往复运动的两条焊接槽的焊接线的单个非接触型传感器使焊炬跟随焊接线。 在传感器的往复运动期间,传感器产生分别通过检测槽的两端而获得的输出电压E1和E2,以便根据检测的电压E1,E2和单独建立的参考值获得E1-δ和E2- 电压delta和与槽的中心位置对应的输出电压PS从E1-δ和E2-delta获得,从而将电压PS与表示传感器的振荡运动的中心位置的电压进行比较,由此导致 焊炬跟随焊接线根据这两个电压之间的差异。