Заказ инструмента: http://steelcam.org | 8 (343) 382-52-03 | sales@sverla-ekb.ru 7745VT & 7760VT Recommended Speeds Speed vc (m/min) 7745VT & 7760VT Wear Resistance Series -- + Speed min. - max. Coolant Recommendation PVD CVD PVD PVD CVD Uncoated Recommended  Possible  X Grade X Grade Standard Standard Standard Micrograin ISO Materials Rm and X400 X500 SP6519 SP4019 MP91M GH1 Hardness <600 N/mm2 120 - 260 130 - 270 130 - 295 140 - 315 140 - 345 Unalloyed <180 HBN         Steel <950 N/mm2 105 - 230 115 - 240 115 - 260 120 - 275 120 - 305 <280 HBN Chamfering Mills P 700-950 N/mm2 95 - 200 100 - 210 100 - 230 105 - 245 105 - 270 200-280 HBN         Alloyed 950-1200 N/mm2 70 - 150 75 - 160 75 - 175 80 - 190 80 - 205 Steel 280-355 HBN 1200-1400 N/mm2  45 - 95  50 - 100  50 - 110  50 - 120  50 - 130 355-415 HBN Austenitic + Ferritic 115 - 250 115 - 270 120 - 280 Stainless 300 series       M Steel Martensitic 100 - 220 105 - 235 110 - 250 400 series PH Stainless Refractory  50 - 110  50 - 120  50 - 130 P.H. Grey 120 - 280 140 - 295 145 - 330 145 - 365 135 - 290 GG-Ft K Cast Iron Spheroidal-Ductile   105 - 205   110 - 240  115 - 255  115 - 285   120 - 245 GGG-FGS Malleable 95 - 170 100 - 220 105 - 235 105 - 260 115 - 200 GTS - MN/MP Aluminium & Alloys 400 - 2895 400 - 3050 N Aluminium < 16% Si 116 HBN & Alloys   Aluminium + Silicon 295 - 2320 295 - 2440 > 16% Si 92 HBN Iron Based 23 - 48 23 - 55 24 - 63 High Cobalt Based 21 - 44 22 - 48 23 - 52 S Temperature    Alloys Nickel Based 24 - 51 25 - 55 26 - 59 Titanium Based 35 - 73 36 - 79 37 - 84 Hard Steel >1400 N/mm2 45 - 95 50 - 100 H Hard >415 HBN   Materials Chilled Cast Iron >1400 N/mm2 35 - 80 40 - 90 > 400 HBN www.kennametal.com A269