B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K7/00—Cutting, scarfing, or desurfacing by applying flames
B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
B23K7/105—Auxiliary devices, e.g. for guiding or supporting the torch specially adapted for particular geometric forms
B23K7/107—Auxiliary devices, e.g. for guiding or supporting the torch specially adapted for particular geometric forms for cutting circles