Общий каталог ZCC-CT 2019 - страница 930

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