Speed and Feed Chart Positive Inserts • Metric Cutting Speed — vc m/min C2 C25 C3 CG5 CG55 CG6 Material Group min Start max min Start max min Start max min Start max min Start max min Start max ap [mm] – – – – – – – – – 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 f [mm/rev] – – – – – – – – – 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0/1 – – – – – – – – – 95 115 140 105 130 155 125 155 190 2 – – – – – – – – – 60 75 90 65 85 100 80 100 125 P 3 – – – – – – – – – 60 75 90 65 85 100 80 100 125 4 – – – – – – – – – 45 60 70 50 65 80 65 80 95 5 – – – – – – – – – 60 75 90 65 85 100 80 100 125 6 – – – – – – – – – 40 50 60 45 55 70 55 65 80 ap [mm] 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 f [mm/rev] 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 M 1 55 70 80 60 80 95 60 80 95 75 90 110 80 100 120 95 115 140 2 50 60 75 55 70 85 55 70 85 65 80 100 75 90 110 85 105 125 3 35 45 55 45 50 65 45 50 65 50 60 75 55 65 80 60 80 95 ap [mm] 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 f [mm/rev] 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 K 1 50 65 80 60 70 85 60 70 85 60 75 90 65 80 100 75 90 110 2 65 80 100 75 90 110 75 90 110 75 95 115 85 105 125 95 115 140 3 50 60 75 55 65 80 55 65 80 55 70 80 60 75 90 65 85 100 ap [mm] 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 0,051 – 0,300 – – – f [mm/rev] 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 0,025 – 0,300 – – – 1 400 505 605 400 505 605 400 505 605 400 505 605 445 555 665 – – – 2 295 370 440 295 370 445 295 370 445 295 370 445 325 405 490 – – – N 3 70 85 105 70 85 105 70 85 105 85 105 125 90 115 135 – – – 4 310 380 465 310 385 465 310 385 465 140 175 210 155 190 230 – – – 5 145 185 220 145 185 220 145 185 220 175 220 265 195 240 290 – – – 6 140 175 210 140 175 210 140 175 210 170 210 255 185 235 280 – – – 7 240 295 355 240 300 360 240 300 360 245 305 365 265 335 400 – – – ap [mm] 0,025 – 0,200 0,025 – 0,200 0,025 – 0,200 0,025 – 0,200 0,025 – 0,200 – – – f [mm/rev] 0,025 – 0,127 0,025 – 0,127 0,025 – 0,127 0,025 – 0,127 0,025 – 0,127 – – – 1 30 35 45 30 35 45 30 35 45 30 35 45 35 40 50 – – – S 2 25 30 35 25 30 35 25 30 35 25 30 35 25 35 40 – – – 3 25 30 35 25 30 35 25 30 35 30 40 50 35 45 55 – – – 4 25 30 35 25 30 35 25 30 35 – – – – – – – – – ap [mm] – – – – – – – – – – – – – – – – – – f [mm/rev] – – – – – – – – – – – – – – – – – – 1 – – – – – – – – – – – – – – – – – – H 2 – – – – – – – – – – – – – – – – – – 3 – – – – – – – – – – – – – – – – – – 4 – – – – – – – – – – – – – – – – – – NOTE: Speed and feed rates and depth of cut may vary depending on materials and machining conditions including, but not limited to, tool overhang, tool size, and finished surface requirements. D40 widia.com