Заказ инструмента: http://steelcam.org | 8 (343) 382-52-03 | sales@sverla-ekb.ru Calculation Formulas - Indexable Milling Technical Information Speed-Spindle Rotation (rpm) n= Vc x 1000 Dc x π Cutting Speed (m/min.) Vc = Dc x π x n 1000 Feed Rate (mm/min.) fz Vf = fz x Z x n Technical hm h Vf Feed Per Tooth (mm/z) fz = Vf Zxn Terminology n Spindle speed rpm Feed Per Revolution (mm/rev.) Dc Cutting diameter mm ap Cut depth mm fn = fz x Z ae Cut width mm Z No. of teeth Vc Cutting speed m/min Vf Feed rate mm/min Metal Removal Rate (cm3/min.) fz Feed per tooth mm/Z fn Feed per revolution mm/rev. Q= ae x ap x Vf Q Metal removal rate cm3/min 1000 hm Medium chip thickness mm π Pi Symbol (3.1416) pi Medium Chip Thickness hm = fz x ae or fz = hm x Dc Dc ae A292 www.kennametal.com