Каталог Iscar сверла со сменной режущей частью 2022 - страница 92

INDEXABLE DRILLS USER GUIDE Cutting Condition Recommendations Indication of Drill Head Wear CHAMIQDRILL Wear Limit Feed vs. Drill Diameter 0.2-0.3 Mtl. No. V m/min D=33.0-40.0 mm/rev 1 80-110-140 2 80-105-130 3 80-100-120 0.30 0.40 0.50 4 70-90-110 Diameter Change 5 50-70-90 Ø > D nominal + 0.15 mm 6 80-100-120 D nominal 7 70-90-110 0.30 0.40 0.50850-70-90 Ø < D nominal - 0.03 mm 9 40-55-70 10 50-70-90 0.25 0.30 0.35 11 40-60-80 15 90-125-160 Power Restriction 16 80-110-140 P(1) Px1.25(2) 17 90-135-180 0.40 0.50 0.60 18 80-110-140 19 90-125-160 0 20 80-110-140 Recommended cutiing data Flow Rate vs. Pressure and Drill Diameter Drill Diameter (mm) Pressure (bar) Flow Rate(liter/min) (1) New drilling head(2) Worn-out drilling head 33 20 60 34 20 60 Surface Finish Declines 35 20 60 36 20 60 Ra 37 20 60 38 20 70 39 20 70 40 20 70 Achievable Hole Tolerances 5xD Drills 400 mm Modular Drills Alloy and Alloy and Carbon Steel and Cast Iron Carbon Steel and Cast Iron Hole Geometrical Feature What Should You Expect Hole Geometrical Feature What Should You Expect Ø Diameter tolerance +0.06 mm Ø Diameter tolerance +0.06 mm Circularity 0.035 Circularity 0.035 Hole axis straightness (/100mm) 0.03-0.10 Hole axis straightness (/100mm) 0.03-0.15 Surface finish 0.6-3.2Ra Surface finish 0.6-3.2Ra 90 ISCAR