1 1 2 2 3 3 DC R αR DC Xmax ap Dmax / min αR DC D nmax in min-1 DC mm la = 1–2 x Ø mm la = 2,5 x Ø mm la = 3 x Ø mm la = 4 x Ø mm la = 5 x Ø mm 12 55000 51500 47000 42000 37000 16 42000 38500 34100 28900 24200 20 36900 33000 28500 23900 19500 25 33200 29000 24400 19900 15400 32 30200 26000 20900 16600 11900 40 27700 23000 18000 13500 9000 50 25400 20400 15400 10800 6100 63 23300 18300 12900 8300 3700 80 21300 16100 10600 5800 100 19600 14100 8400 125 17900 12800 7600 DC mm RE = 0,8 mm Xmax αR 12 αR 16 ° 1,3 mm 18 ° Dmax. 21 mm Dmin. 14 mm 16 αR 9,5 ° 1,5 mm 10,8 ° Dmax. 29 mm Dmin. 21 mm 20 αR 7 ° 2,0 mm 9,8 ° Dmax. 37 mm Dmin. 30 mm 25 αR 4,5 ° 2,0 mm 7,5 ° Dmax. 47 mm Dmin. 40 mm 32 αR 3,2 ° 1,0 mm 4,8 ° Dmax. 61 mm Dmin. 53 mm 40 αR 2,2 ° 1,6 mm 2,9 ° Dmax. 77 mm Dmin. 72 mm 50 αR 1,7 ° 1,6 mm 2,2 ° Dmax. 98 mm Dmin. 93 mm 63 αR 1,5 ° 1,6 mm 1,8 ° Dmax. 123 mm Dmin. 116 mm 80 αR 1,0 ° 1,6 mm 1,4 ° Dmax. 157 mm Dmin. 153 mm 100 αR 0,8 ° 1,6 mm 1,1 ° Dmax. 197 mm Dmin. 193 mm 125 αR 0,6 ° 1,6 mm 0,8 ° Dmax. 247 mm Dmin. 243 mm 0,05 0,10 0,15 0,2 0,25 0,3 2 10 4 8 6 1 3 5 7 9 XDKT 11 Helical plunging Axial ramping Angled ramping Machining strategy System 211-11 Dmax. in mm = largest diameter for flat bottom hole Dmin. in mm = Smallest diameter for flat bottom surface ap in mm = D x π x tan (αR) = Pitch la in mm = Overhang length Maximum speed related to projection length Helical plunging Axial ramping Angled ramping Material Inserts vc in m/min Cooling Steel P.2.2 40CrMnMoS 8-6 XDKT11T308SR-M50 CTCP230 200 Dry Stainless steel M.1.1 X6CrNiMoTi 1712 2 XDKT11T308SR-F50 CTPM240 180 Dry Cast iron K.1.1 EN-GJL-250 (GG25) XDKT11T308SR-R50 CTCK215 250 Dry Heat-resistant S.2.2 Inconel 718 XDKT11T308ER-F50 CTC5240 35 Emulsion Starting Parameter fz in mm ap max in mm → Find detailed information on cutting speeds for each cutting material here. 193 From vc > 400 m/min, the tool must be balanced! Milling tools with indexable inserts Technical Information
