166 120 100 80 60 40 20 0 500 1500 2000 3000 3500 1000 2500 160 140 200 180 240 220 260 630 FG F KNCS-NB-CL 630 161250 3 10 42 120 250 1500 390 18 SIN-S 175 / 200 VSG 450-165 KNCS-NB-CL CENTER LINE High precision power chuck Ø 630 mm Actual gripping force diagram Technical data FG Gripping force (total on 3 jaws) (kN) Speed (r.p.m.) SMW-AUTOBLOK Type Id. No. Number of jaws Radial jaw stroke mm Axial piston stroke mm Max. draw-pull kN Max. gripping force kN Max. speed r.p.m. Weight (without top jaws) kg Moment of inertia kg·m2 Recommended closed center cylinder Recommended open center cylinder The data in the diagram refers to 3-jaw chucks, newly maintained according to their service manuals using SMW-AUTOBLOK K05 grease.The static and dynamic gripping forces have been measured using standard soft top jaws, placed in a position not exceeding the outer diameter of the chuck. The centerline is affected by changes of weight of the workpiece and the mechanic repeatability of the chuck itself. The center of the workpiece can be fine adjusted even more accurate than the repeatability of the chuck, using the CL fine adjustment. Integrated CL fine adjustment devices allow to bring any workpiece into the exact rotation center of the machine while clamped. This is ideal for high accurate tubine shafts, aerospace parts etc. Safety advice / danger of damage: When using taller / heavier jaws and / or clamping on a bigger diameter reduce draw pull / rotating speed accordingly. Application/customer benefits • For workpieces with high concentricity callout • For radial readjustment of workpieces with big changes in weight during machining • To apply additional grip force to the workpiece by the adjustment screws • Readjustment of the centerline of the workpiece in process Technical features • Integrated fine adjustment to center the workpiece • Fine adjustment is radially displaceable for different workpiece diameters • Concentricities higher than the repeatability of the chuck can be reached Standard equipment Ordering example 3-jaw chuck with disengaging key Mounting key Set of coverplates Fine adjustment 3-jaw chuck KNCS-NB-CL 630 ■ Quick jaw change ■ Large through-hole ■ Wide master jaws – Radial fine adjustment ■ High flexibility: jaws radially adjustable / reversible Radial fine adjustment CL BIS Specials Website: www.bisspecials.com Email: info@bisspecials.com Tel: (0031) 0313 482566 Website: www.bisspecials.com Email: info@bisspecials.com Tel: (0031) 0313 482566
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