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    • 2. 发明申请
    • SPARK EROSION MACHINE
    • 火花机
    • WO1989003270A1
    • 1989-04-20
    • PCT/CH1988000185
    • 1988-10-11
    • AG FÜR INDUSTRIELLE ELEKTRONIK (AGIE)BELTRAMI, IvanoWEHRLI, PeterBERTHOLDS, Axel
    • AG FÜR INDUSTRIELLE ELEKTRONIK (AGIE)
    • B23H07/04
    • B23H7/04G01D5/34
    • A spark erosion machine has a wire electrode and an optical measuring device for measuring the deviation of the electrode. The measuring device contains a light source (10) which produces a homogenous beam of parallel rays. A sensor arrangement (1, 11) for measuring the light beam produced by the light source and attenuated by the wire electrode (9) is designed so that it absorbs a quantity of light reversibly dependent on the relative position of the wire electrode (9). An evaluation circuit connected downstream of the sensor arrangement emits an electric signal which indicates the deviation of the wire electrode from its straight position. By means of this electric signal, the relative position between the guide heads of the wire electrode and the workpiece can be corrected so as to prevent machining defects due to deviation of the wire electrode.
    • 火花腐蚀机具有线电极和用于测量电极偏差的光学测量装置。 测量装置包含产生均匀的平行光束的光源(10)。 用于测量由光源产生并被线电极(9)衰减的光束的传感器装置(1,11)被设计成使得其能够相反地吸收一定量的光,这取决于线电极(9)的相对位置, 。 连接在传感器装置下游的评估电路发出指示线电极与其直线位置偏离的电信号。 通过该电信号,可以校正线电极的引导头与工件之间的相对位置,以防止由于电极电极的偏差引起的加工缺陷。