Inserts Speed and Feed Chart Ceramics • Metric Cutting Speed — vc m/min CW2015 CW3020 CW5025 Material Group min Start max min Start max min Start max ap [mm] 0,5 4,0 0,5 4,0 1,0 8,0 f [mm/rev] 0,2 0,4 0,1 5,0 0,2 0,6 0 – – – – – – – – – 1 – – – – – – – – – 2 – – – – – – – – – P 3 – – – – – – – – – 4 – – – – – – – – – 5 – – – – – – – – – 6 – – – – – – – – – 1 – – – – – – – – – M 2 – – – – – – – – – 3 – – – – – – – – – 1 250 475 725 – – – 250 760 1000 K 2 300 550 800 – – – 275 365 490 3 250 400 600 – – – 275 335 440 1 – – – – – – – – – 2 – – – – – – – – – 3 – – – – – – – – – 4 – – – – – – – – – N 5 – – – – – – – – – 6 – – – – – – – – – 7 – – – – – – – – – 8 – – – – – – – – – 1 – – – 170 200 375 – – – 2 – – – 170 200 375 – – – S 3 – – – 190 250 375 – – – 4 – – – – – – – – – 1 60 100 140 45 85 125 – – – 2 60 100 140 45 85 125 – – – H 3 60 100 140 45 85 125 – – – 4 60 100 140 45 85 125 – – – widia.com B175