Основной каталог Kyocera 2021 - 2022 - страница 1071

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RE ap Technical information Basic formulas True rake angle C tanT = tanR x cosC + tanA x sinC I Inclination angle T tanI = tanA x cosC - tanR x sinC A (+) A (GAMP) : Axial rake angle (A.R.) [° ] (-90° < A < 90° ) R (GAMF) : Radial rake angle (R.R.) [° ] (-90° < R < 90° ) R (-) C (KAPR) : Approach angle [° ] (0° < C < 90° ) T (GAMN) : True rake angle [° ] (-90° < T < 90° ) I (GAMO) : Inclination angle [° ] (-90° < I <90° ) Ball-nose end mill cutting speed & revolution n 1,000 x Va n= 2xπx a(2RE-ap) n : Revolution [min-1] RE : Radius of ball-nose end mill (Ball part's radius [mm]) ap : Depth of cut [mm] Va : Cutting speed at point "a" [m/min] a Drilling (Magic Drill series) Cutting speed Vc : Cutting speed [m/min] π x DC x nVc =1,000 DC : Drill dia. [mm] L n n : Spindle revolution [min-1] R DC Feed rate (Milling) Vf = fz x Z x n Vf : Table feed [mm/min] fz : Feed per tooth [mm/t] Z : No. of inserts (No. of insert = 1) n : Spindle revolution [min-1] Cutting time Power Requirement (Reference value) T : Cutting time [sec] 60 x L 60 x π x DC x LT== L : Drilling depth [mm]fxn1,000 x Vc x ff: Feed rate [mm/rev] DC Vc 2.5 x fPc =xx1+201000.1 n : Spindle revolution [min-1] Pc : Power requirement [kW] DC : Drill dia. [mm] DC : Drill dia. [mm] Vc : Cutting speed [m/min] Vc : Cutting speed [m/min] f : Feed rate [mm/rev] R43