Milling Number of revolutions vc x 12 n c Dq X7U Cutting speed rpm Feed rate vf fz x Z x n in/min Feed per tooth Vf fz in x n Metal removal rate

Milling Number of revolutions vc x 12 n c Dq X7U Cutting speed rpm Feed rate vf fz x Z x n in/min Feed per tooth Vf fz in x n Metal removal rate Q x Ip x vf in3/min Chip thickness h fz x sin k Specific cutting force kc kcw1.1 x h -mcw lbs/in2 Power requirement „ ae x ap x fz x Z x n x kc Pmot= -e p z c HP 396,000 ti Average chip thickness a e r- hm fz x V Dc in Engagement angle with central position of the tool (ps 2 x arcsin ( ) Uc with off set of the tool ae x (Dc 12) cps 90 + arcsin e. v ’ (Dc/2) n Number of revolutions rpm Dc Cutter diameter in ap Cutting depth in ae Width of cut in Z Number of teeth Vc Cutting speed ft/min Vf Feed rate in/min fz Feed rate per tooth in Q Metal removal rate in3/min P mot Power requirement HP hm Average chip thickness in Machine efficiency (0.7-0.95) K Approach angle js Cutter engagement angle kcw1.1 Specific cutting force lbs/in2 related to a chip section of 1 in2 mcw kc curve rise for mcw and kcw11 use values only from page 759. H 4 General technical information Formula of Calculation,