TurningMillingDrillingTechnicalInformationIndex Technical information – milling Technical information Indexable milling A General formulas Feed rate n Minor cutting edge angle fz Feed rate per tooth B Vf ap ae l ØDc L Vc: Feed rate [m/min] Vf : Feed rate of worktable (feed speed) [mm/min] C Dc: Nominal diameter of milling tool [mm] fz: Feed rate per tooth [mm/z] n: Spindle speed [u/min] π: ~3,14 zn: Number of teeth Tc: Machining time [min] Q: Metal removal rate [cm3/min] fn: Feed rate per revolution [mm/u] π × Dc × n Cutting speed Vc = 1000 [m/min] Spindle speed 1000 × Vcn= [rev/min] π × Dc Feed rate of work table Vf = fz × n × zn [mm/min] D Vf Feed rate per tooth fz = n × Zn [mm/z] Feed rate per revolution Vffn =n[mm/rev] Machining time 1000 × VcTc =π × Dc[min] Metal removal rate ap × ae × VfQ=[cm3/min]1000 E B 467