
USER GUIDE Recommended Machining Conditions SUMOCHAM Feed vs. Drill Diameter D=6-7.9 D=8-9.9 D=10-11.9 D=12-13.9 D=14-15.9 D=16-19.9 D=20-25.9 D=26-32.9 Mtl. No. V m/min mm/rev 1 80-110-140 2 80-105-130 0.09 0.12 0.15 0.18 0.20 0.25 0.25 0.30 3 80-100-120 0.11 0.17 0.21 0.24 0.27 0.35 0.35 0.40 0.13 0.22 0.28 0.30 0.35 0.45 0.45 0.50 4 70-90-110 5 50-70-90 INDEXABLE DRILLS 6 80-100-120 0.09 0.12 0.14 0.16 0.18 0.23 0.25 0.30 7 70-90-110 0.12 0.18 0.21 0.24 0.26 0.31 0.35 0.40 8 50-70-90 0.15 0.25 0.28 0.32 0.35 0.40 0.45 0.50 9 40-55-70 0.09 0.12 0.12 0.15 0.18 0.20 0.22 0.25 10 50-70-90 0.11 0.16 0.17 0.20 0.23 0.25 0.27 0.30 11 40-60-80 0.12 0.20 0.22 0.25 0.28 0.30 0.33 0.35 15 90-125-160 16 80-110-140 0.12 0.15 0.20 0.25 0.30 0.35 0.35 0.40 17 90-135-180 0.15 0.22 0.27 0.32 0.37 0.45 0.47 0.50 18 80-110-140 0.18 0.30 0.35 0.40 0.45 0.55 0.60 0.60 19 90-125-160 20 80-110-140 Recommended cutting data (1) For workpiece materials list, see pages 1008-1043. As a starting value, the middle of the recommended machining range should be used. Then, according to the wear results, conditions can be changed to optimize performance. The data refers to IC908 No need to reduce the cutting parameters while using 8XD and up holders 495 495