Cutter Design and Application for Face-Milling Cast Iron and Steel

This paper summarizes an extensive research program sponsored by the Office of Production Research and Development during World War II. Two previous papers have presented the results of power and cutter life, respectively. These results, relating to cutter design, are averaged for various grades of cast iron, tool materials, feed, depth, width of bar, number of teeth in the cutter, and the cutting speed. General effects of each variable are obtained from final tool shapes for steel and cast iron which are given for recommended practice.