Заказ инструмента: http://steelcam.org | 8 (343) 382-52-03 | sales@sverla-ekb.ru Calculation Formulas - Indexable Milling Technical Information Speed-Spindle Rotation (rpm) Vc x 1000 n= Dc x π Cutting Speed (m/min.) Dc x π x n Vc = 1000 Feed Rate (mm/min.) fz Vf = fz x Z x n Technical hm Vf h Feed Per Tooth (mm/z) Vf fz = 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. ae x ap x Vf Q Metal removal rate cm3/min Q= hm Medium chip thickness mm 1000 π Pi Symbol (3.1416) pi Medium Chip Thickness ae Dc hm = fz x or fz = hm x Dc ae A292 www.kennametal.com