Каталог Stellram фрез со сменными пластинами - страница 59

Заказ инструмента: http://steelcam.org | 8 (343) 382-52-03 | sales@sverla-ekb.ru 7690VA & 7690VAP Recommended Speeds End Mills & Face Mills Speed vc (m/min.) 7690VA & Wear Resistance 7690VAP Series -- + Speed min. - max. Coolant Recommendation PVD CVD PVD PVD PVD CVD CVD Uncoated Recommended  Possible  X Grade X Grade X Grade Standard Standard Standard Standard Micrograin ISO Materials Rm and X400 X500 X700 SP6519 SP4019 MP91M SC3025 GH1 Hardness <600 N/mm2 130 - 270 130 - 295 140 - 345 Unalloyed <180 HBN      Steel <950 N/mm2 115 - 240 115 - 260 120 - 305 <280 HBN P 700-950 N/mm2 95 - 200 100 - 210 100 - 230 105 - 270 200-280 HBN        Alloyed 950-1200 N/mm2 70 - 150 75 - 160 75 - 175 80 - 205 Steel 280-355 HBN 1200-1400 N/mm2  45 - 95  50 - 100  50 - 110  50 - 130 355-415 HBN Austenitic + Ferritic 115 - 250 115 - 260 115 - 270 120 - 280 Stainless 300 series         M Steel Martensitic 100 - 220 105 - 230 105 - 235 110 - 250 400 series PH Stainless Refractory  50 - 110  50 - 115  50 - 120 P.H. Grey 140 - 295 145 - 365 150 - 395 135 - 290 GG-Ft K Cast Iron Spheroidal-Ductile   110 - 240  115 - 285  120 - 335   120 - 245 GGG-FGS Malleable 100 - 220 105 - 260 105 - 275 115 - 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 - 52 23 - 55 24 - 63 High Cobalt Based 21 - 44 22 - 46 22 - 48 23 - 52 S Temperature     Alloys Nickel Based 24 - 51 25 - 53 25 - 55 26 - 59 Titanium Based 35 - 73 36 - 75 36 - 79 37 - 84 Hard Steel >1400 N/mm2 45 - 95 50 - 100 50 - 105 H Hard >415 HBN    Materials Chilled Cast Iron >1400 N/mm2 35 - 80 40 - 90 40 - 95 > 400 HBN Calculation of the average chip thickness in relation with the ae (Radial Engagement) if ae is less than 50% of dia. Formula: Programme Feed Rate (fz) hm = Average chip thickness Formula: Average Chip Thickness (hm) ae = Radial engagement fz = hm x d fz = Feed per tooth hm = fz x ae ae d = Cutter diameter d A58 www.kennametal.com