Making T5 timing pulleys, from pattern to casting, to 28T T5 pulley. Wood pattern made and castings produced. Rough blanks are mounted on a mandrel and trued to it. Finished blank then mounted on the mill, still on the mandrel, supported by a tailstock and cut with a 40 degree included angle fly cutter. The blank is indexed with the aid of a stepper driven rotary table mounted vertically on the mill.
