Общий каталог Dijet 2018 - страница 398

Tooling by DIJET Indexable Tools Mirror Ball BnMTyPE ■ GENERAL RECOMMENDED CUTTING CONDITIONS ● Calculation of cutting conditions 1. Spindle speed n= Vc × 1000 (min ) -1 π × De De=2× ap×(Dc-ap)(mm) 2. Feed speed Vf=n × f (mm/min) f=h max. × Dc (mm/rev) ap×(Dc-ap) n = Spindle speed (min-1) Vc = Cutting speed (m/min), refer Table 1. De = Effective tool diameter (mm), refer Table 2. ap = Axial depth of cut (mm) ae = Pick feed, radial depth of cut (mm) Vf = Feed speed (mm/min) f = feed per revolution (mm/rev), refer Table 1. h max. = Max. chip thickness (mm), refer Table 3. Table 1. Nominal cutting speed and feed values Insert Nominal feed rate: f (mm/rev) Grades Cutting Max Max Work Hardness speed depth pick JC10000 Materials Tool dia. Dc (mm) of cut feed JC8003 Vc DH103 (m/min) ap (mm) ae (mm) KT9 6 8 10 12 16 20 25 30 32 ◎ Grey cast iron (FC250, FC300) 160~260HB 200~400 0.2 0.3 0.4 0.5 0.6 0.6 0.7 0.7 0.7 Dc/10 Dc/10 170~300HB ◎ Nodular cast iron (FCD600, FCD700) 150~350 0.2 0.3 0.4 0.5 0.6 0.6 0.7 0.7 0.7 Dc/15 Dc/15 180~280HB ○ Carbon steel (S50C, S55C) 180~230 0.2 0.3 0.4 0.4 0.5 0.5 0.6 0.6 0.6 Dc/15 Dc/15 180~280HB ○ Low alloy steel (SCM440) 150~200 0.2 0.3 0.4 0.4 0.5 0.5 0.6 0.6 0.6 Dc/15 Dc/15 280~400HB ◎ Mold steel (HPM, NAK) 110~170 0.15 0.25 0.3 0.4 0.4 0.4 0.5 0.5 0.5 Dc/20 Dc/20 180~255HB ○ Tool & Die steel (SKD61, SKD11) 130~180 0.15 0.25 0.3 0.4 0.5 0.5 0.6 0.6 0.6 Dc/20 Dc/20 40~55HRC ◎ Hardened steel (SKD61, SKD11) 70~ 90 0.15 0.25 0.3 0.4 0.5 0.5 0.6 0.6 0.6 Dc/30 Dc/30 150~250HB ○ Stainless steel (SUS304, SUS316) 90~130 0.15 0.25 0.3 0.4 0.4 0.4 0.5 0.5 0.5 Dc/20 Dc/20 Copper alloy 80~150HB ◎ 150~200 0.25 0.4 0.5 0.6 0.7 0.7 0.8 0.8 0.8 Dc/10 Dc/10 Aluminium alloy 30~100HB ◎ 200~300 0.25 0.4 0.5 0.6 0.7 0.7 0.8 0.8 0.8 Dc/6 Dc/6 Graphite ◎ 200~400 0.3 0.5 0.6 0.7 0.8 0.8 0.9 0.9 0.9 Dc/5 Dc/5 Note) 1. Data is applicable to short series tools and over φ12mm middle series tools. ◎：First choice 2. Refer table 4 for additional data in case of using long series tools and up to φ12mm middle series tools. ○：Second choice C186