TurningMillingDrillingTechnicalInformationIndex Technical information Technical information – turning A Turning toolsCutting speed Vc π×D×n VC = [m/min]1000 Vc: Cutting speed [m/min] n: Revolution [1/min] f: Feed rate [mm] B Example: n = 250 1/min, f = 0,2 mm,l = 150 mm Result: [insert values in formula Vc] External machining Internal machining Feed rate F f= n [mm/rev] C f: Feed rate [mm] l: Cutting length [mm/min] n: Revolution [1/min] Example: n = 500 1/min, l = 100 mm/min Result: [insert values in formula f] 100 f= n = 500 = 0,2 mm D Cutting time Tc Tc = f × n [min] Tc: Cutting time [min] l: Cutting length [mm/min] f: Feed rate [mm] E n: Revolution [1/min] Example: n = 250 1/min, f = 0,2 mm, l = 150 mm Result: [insert values in formula Tc] External machining Internal machining A 452