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RFORMULASZ = Number of teethd = Cutting edge Ø [mm]L = Length of bore [mm]SL =Clearance distance [mm]n = Revolutionsn = v c • 1000 [1/min] [RPM]d • v c= Cutting speedv c= d• • n [m/min] / .3048 = sfm1000f z= Feed/toothf z=v fZ • n[mm] / 25.4 = inchf =Feed per revolutionsf = f • Z [mm/U] [mm/rev]zv f= Feed ratev f= f z• Z • n [mm/min] / 25.4 = inch/minT c= Process timeT c= L + SL [min]v fR36In the UNITED STATES call us toll free1 - 888 - 818 <strong>HORN</strong>