Каталог Iscar вращающийся инструмент 2017 - страница 541

USER GUIDE INDEXABLE DRILLS Drilling Eccenter Sleeves 3 typ.x2 (1) Used for Enlarging or Reducing 5 D1 DR Nominal Drilling Diameters by Shifting the Drill Off-Center D3 d2 L Designation d2 D3 D1 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 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 - +0.4 8 +8 +8 L M 0.2 0 2 +1 +0 .2 +4 90 LATHE +0.2 +0.4 X.001” +16 0 0 0 +0 -0 .2 +0.2 .2 L M +0.2 0 DR-Drill Turret axis -0.2 M Dnom L Eccenter Dnom+0.2 L Sleeve Tool and turret axes coincide L .2 L +0 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 diameter can be changed by shifting Adapter pin (not supplied) D + 0.4mm the drill’s axis out of the tool spindle. 90 +0.4 0 +0 .2 D MILL +0. 0 2 +0.4 0 DR-Drill -0.2 + 0 D- .2 L M 0.2m +0 .2 0 m -0.2 Eccenter L M 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% L 0 70% .2 +0 .2 Drill Diameter = 30 mm +0 60% +4 0 -4 - Hole Diameter 30 mm .4 8 50% +0 +8 +8 M L 2 +1 40% +4 X.001” +16 0 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 hole on the eccentric sleeve flange. Unlock +0.4 0 +0 adapter screw before adjusting sleeve. .2 Drill Diameter = 30 mm +0.2 0 -0 .2 L M 537