Workpiece electro-chemical processing device, has distance measuring unit comprising generator for producing processing signal, and evaluation unit determining distance between electrode and workpiece based on carrier signal

摘要

The device (1) has a distance measuring unit (2) comprising a generator (3) with a signal formation unit (4) for producing a processing signal (B). Another signal formation unit (6) produces a carrier signal (T). A modulation unit (7) modulates the carrier signal on the processing signal in order to produce an operating signal (BT). An evaluation unit (8) determines a distance (A) between an electrode (13) and a workpiece (14) based on the carrier signal. An independent claim is also included for a method for determining a distance between an electrode and a workpiece.