B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23F—MAKING GEARS OR TOOTHED RACKS
B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
B23F23/1293—Workpiece heads
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23F—MAKING GEARS OR TOOTHED RACKS
B23F9/00—Making gears having teeth curved in their longitudinal direction
B23F9/08—Making gears having teeth curved in their longitudinal direction by milling, e.g. with helicoidal hob
B23F9/10—Making gears having teeth curved in their longitudinal direction by milling, e.g. with helicoidal hob with a face-mill
B23F9/105—Making gears having teeth curved in their longitudinal direction by milling, e.g. with helicoidal hob with a face-mill with continuous indexing, i.e. with continuous work rotation