Template (cam) 1 rotates about axis A of machine table 2. Roller 5 rotates about fixed axis B. Blank 3 is ridgidly clamped to template 1 an rotates with it with respect to table 2. When template 1 rotates, table 2 reciprocates in fixed guides a-a together with the template and blank 3. End mill 4 rotates about fixed axis D and mills groove b in blank 3 to a profile corresponding to contour d of template 1. Weight 6 holds template 1 in contact with roller 5.
$3164$SmC,FD$