78 SMW-AUTOBLOK 466 SMW-AUTOBLOK 468 SMW-AUTOBLOK 327 30 60 1000 500 150 120 90 0 0 180 210 240 1500 2000 2500 800 NTL 1000 NTL 630 NTL 500 NTL S F NTL-D 500 NTL-C 500 NTL-D 630 NTL-C 630 NTL-D 800 NTL-C 800 NTL-D 1000 NTL-C 1000 12.1 12.1 12.1 12.1 30 30 30 30 120 120 120 120 240 240 240 240 2400 2000 1500 1000 255 420 680 970 8.2 21.2 55.7 110 SIN-S 175 / 200 SIN-S 175 / 200 SIN-S 175 / 200 SIN-S 175 / 200 77184651 77184664 77184680 77184690 77189151 77189164 77189180 77189190 NTL-D NTL-C INCH SERRATION High precision power chuck Ø 500 - 1000 mm TONGUE & GROOVE Application/customer benefits • For mid to large batch production • Safe clamping through centrifugal force compensation, even of deformation-sensitive parts at highest speeds • Fully sealed, ideal for dry machining of castings and forgings or if high pressure coolant is used NTL-D: Master jaws with INCH SERRATION (3/32“ x 90°) NTL-C: Master jaws with TONGUE & GROOVE Technical features • EXTRA long jaw stroke • Centrifugal force compensation via counterweights • Constant gripping force with permanent grease lubrication • Center bore for coolant and / or air • Chuck body and internal parts case hardened • proofline® chucks = fully sealed - low maintenance Standard equipment Ordering example 3-jaw chuck 3-jaw chuck NTL-D 500 / Z380 1 set soft top jaws or Mounting bolts 3-jaw chuck NTL-C 800 / Z520 Actual gripping force diagram Technical data Speed (r.p.m.) FG Gripping force (total on 3 jaws) (kN) Safety advice / danger of damage: When using taller / heavier jaws and / or clamping on a bigger diameter reduce draw pull / rotating speed accordingly. The data in the diagram refer to 3-jaw chucks, newly maintained according to their service manuals using SMW-AUTOBLOK K67 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. SMW-AUTOBLOK Type 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 actuating cylinders Type Id. No. NTL-D Id. No. NTL-C ■ Centrifugal force compensation ■ Closed center - 3 jaws ■ Long stroke ■ proofline® chucks = fully sealed - low maintenance * For internal clamping reduce the draw pull by 30%. fully sealed – low maintenance proo ine® series on request: Tooling Standard Parts Catalog 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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