Каталог Iscar вращающийся инструмент 2017 - страница 541

USER GUIDE Drilling Eccenter Sleeves (1) Used for Enlarging or Reducing 5 3 typ.x2 D 1 DR Nominal Drilling Diameters by Shifting the Drill Off-Center D 3 d2 L Designation d 2 D 3 D 1 L 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 INDEXABLE DRILLS 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) For tools, see pages: DR-3D-N (522) • DR-4D-N (523) • GD-DH (649) Eccenter Sleeve Operating Instructions Operation on a Lathe Adapter 0.0 Tool’s axis +4 0 -4 -8 +0.4 +8 +8 M +12 L 0.2 0 +0.2 +4 90 +0.2 LATHE +0.4 0 X.001” 0 0 +0.2 +16 -0.2 L +0.2 0 +0.2 M DR-Drill -0.2 L M Turret axis L Eccenter Dnom+0.2 Dnom Sleeve Tool and turret axes coincide L L +0.2 0 On a lathe the eccenter sleeve can shift the drill’s axis to coincide with the spindle axis. The eccentric sleeve enables alignment of the drill’s axis with the spindle axis within a 0.2 mm range (turn the sleeve counterclockwise to raise it). On a milling machine the drill’s nominal Radial adjustment Adapter diameter can be changed by shifting pin (not supplied) D + 0.4mm the drill’s axis out of the tool spindle. 90 +0.4 0 +0.2 +0.2 0 D MILL +0.4 0 +0.2 -0.2 DR-Drill L +0.2 0 M D - 0.2mm L -0.2 M Eccenter Sleeve M M D-0.2 To enlarge the diameter, turn the sleeve clockwise. D+0.4 Operation on a Milling Machine Recommended Feed When Using Eccenter Sleeves Hole Diameter 29.8 mm Recommended Feed Rate 100% 90% -0.2 M 80% 0 L +0.2 +0.2 70% Drill Diameter = 30 mm 60% +0.4 +4 0 -4 -8 Hole Diameter 30 mm +8 +8 M 50% +12 L 40% +4 0 X.001” +16 2xD 3xD 4xD 5xD Length to Dia. Ratio Drill Diameter = 30 mm Hole Diameter 30.4 mm The adjustment markings should be located perpendicular to the flat circumference of the DR flange. To facilitate the rotation of the sleeve, a metal rod or a screw key may be inserted into a +0.4 0 +0.2 hole on the eccentric sleeve flange. Unlock +0.2 0 Drill Diameter = 30 mm adapter screw before adjusting sleeve. -0.2 L M 537 537