This page contains the P.P.
Thornton chart for gear and cutter calculations.
It provides every
formula needed for gear cutting. This chart is
invaluable for determining sizes of both gears
and cutters. You can print this page from your
web browser or download
the PDF to print and
keep. If you do not have Adobe® Acrobat
installed on your
computer, please download it at http://www.adobe.com/products/acrobat/readstep.html.
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