Каталог Iscar сверла ружейные и для глубокого сверления 2022 - страница 90

DEEP DRILLING - BTA SYSTEM USER GUIDE Technical Information - Drill Setup Rotating Drill Stationary Drill • Can be applied on symmetrical and • Applied on symmetrical workpieces non-symmetrical workpieces • Improved hole straightness and bushing wear • Drill to bushing center misalignment should • Drill to bushing center misalignment should not exceed 0.02 mm not exceed 0.02 mm Bushing Stationary Rotating Workpiece Rotating Drill Workpiece Bushing Stationary Drill Max. Max. 0.02 mm 0.02 mm Drill Bushing and Workpiece Tolerance Relative Positioning Pre-drilled Hole Guidance bushing tolerance (G6) A large pre-drilled hole (larger than D-a) ensures precise hole size and center location. Hole tolerance Drill head tolerance (h6) A 0.5 X A max Machine Power Recommended Coolant Pressure and Volume ≤50 mm kw Coolant Pressure Coolant Volume 140 Kgf/cm2 L/min Alloy Steel (HB300)120v=100m/min, f=0.25mm/rev 100 500 100 80 400 80 60 300 60 40 200 20 100 40 Carbon Steel (HB200)v=100m, f=0.25mm/rev 20 10 20 30 40 50 Diameter mm 50 100 150 200 250 300 350 Recommended Coolant Pressure and Volume >50 mm Diameter mm Coolant Pressure Coolant Machine Thrust Force Kgf/cm2 Volume L/min N 45 1800 7000 40 1600 6000 Alloy Steel (HB300) 35 1400 v=100m/min, f=0.25mm/rev 30 1200 5000 25 1000 4000 20 800 3000 Carbon Steel (HB200) 15 600 v=100m, f=0.25mm/rev 10 400 2000 5 250 1000 50 100 150 200 250 300 350 50 100 150 200 250 300 350 Diameter mm Diameter mm 274 ISCAR