Каталог Iscar сверла со сменной режущей частью 2022 - страница 120

INDEXABLE DRILLS 90 +16 +0.2+12+40+0.4 0 5 ø3 typ.x2(1) Drilling Eccenter Sleeves DF Bushings for Enlarging or Reducing DR Nominal Drilling Diameters by Shifting DCONMS the Drill Off-Center DCONWS OAL Designation DCONWS DCONMS DF OAL ECCENTER SLEEVE 20X25 20.00 25.00 40.00 44.00 ECCENTER SLEEVE 25X32 25.00 32.00 50.00 46.00 ECCENTER SLEEVE 32X40 32.00 40.00 65.00 55.00 ECCENTER SLEEVE 40X50 40.00 50.00 75.00 77.00 • (1) Holes for inserting a pin, used to facilitate radial adjustment of the sleeve (pin not supplied) On a milling machine, the drill’s nominal diameter can be changed by shifting the drill’s axis out of the tool spindle. Operation on a Milling Machine Adapter Hole Diameter 29.8 mm -0.2 M L +0.2 MILL +0.4 0DR-Drill +8 +4 0+8 -4 -8 M Drill Diameter = 30 mm L Hole Diameter 30 mm Eccenter Sleeve M Radial adjustment pin (not supplied) Drill Diameter = 30 mm Hole Diameter 30.4 mm D + 0.4mm +0.4 0 +0.2 +0.4 0 D Hole Diameter 29.8 mm D - 0.2mm Recommended Feed When Using Eccenter Sleeves Recommended Feed Rate M 100% D-0.2 90% 80% D+0.4 70% To enlarge the diameter, turn the sleeve clockwise 60% 50% 40% 2xD 3xD 4xD 5xD Length to Dia. Ratio 118 ISCAR +0.2 +0.2 +0.2 M-0.2L0 LM0 -0.2 L -0.2M0+0.2+0.2 X.001”