METHOD AND DEVICE FOR CLEANING AN ELECTRIC ARC WELDING OR CUTTING BURNER AND ELECTRIC ARC WELDING OR CUTTING DEVICE

摘要

The invention relates to a method for cleaning an electric arc welding or cutting device, particularly the functional parts thereof such as a gas nozzle, tuyère connection and the like, and removing impurities therefrom. The burner is impinged upon by a cold jet means from the media supply side thereof, wherein the temperature difference ?T between the jet means and the functional parts of the burner is 80 K and the temperature of the functional parts of the burner is above ambient temperature.