扭矩和功率

nSpindle speed: RPM

V_f Feed rate: IPM (no productivity formula) mm/min (no productivity formula)

Reduced feed per tooth: in. (chip load at the cut) mm/min (chip load at the cut)

F_p Feed rate: IPM (with productivity formula) mm/min (with productivity formula)

QMetal removal rate: MRR cm3/min

Q_p Metal removal rate: MRR(no productivity formula) cm3/min(no productivity formula)

ACross-sectional area of chip: in.² mm²

z_c Number of flutes in the cut:

a_e/d₁ Ratio of radial width of cut to cutting diameter:

F_t Tangential cutting force: in -lb N

TTorque at the cutter: in ft -lb N-cm N-m

P_s at the cutter: HPc kW

P_m at the motor: hp kW