106 SMW-AUTOBLOK 466 SMW-AUTOBLOK 468 SMW-AUTOBLOK 327 140 120 100 80 60 40 20 0 1000 2000 3000 4000 5000 6000 7000 210 165 160 315 250 FG F 630 500 400 120 100 80 60 40 20 0 1000 2000 3200 140 160 180 220 200 240 FG F BHD-FC 165 BHM-FC 165 BHD-FC 210 BHM-FC 210 BHD-FC 250 BHM-FC 250 BHD-FC 315 BHM-FC 315 BHD-FC 400 BHM-FC 400 BHD-FC 500 - BHD-FC 630 - 3 3 3 3 3 3 3 45 52 66 95 118 125 165 3.2 4 5 5 6.5 9 9 15 19 24 24 31 34 34 25 38 50 60 70 100 100 70 110 145 170 200 240 240 6500 6000 4500 4000 3200 2500 2000 11 21 32 50 95 160 335 0.042 0.13 0.29 0.67 2 5.2 18 SIN-S 100 100 / 125 125 / 150 125 / 150 150 / 175 150 / 175 / 200 175 / 200 VNK-T2 / VSG 102-46 130-52 150-67 225-95 320-127 320-127 450 / 165 77154316 77154321 77154325 77154331 77154340 77154350 77154363 77154616 77154621 77154625 77154431 77154640 - - BHD-FC BHM-FC INCH SERRATION High precision power chuck Ø 165 - 630 mm ■ Centrifugal force compensation ■ Large through-hole ■ 3 jaws METRIC SERRATION Application/customer benefits • For open center or partial open center clamping • Large through-hole • Compensation of centrifugal force for high speed • Clamping of easily deformed parts with low gripping force, maintained to high speed BHD-FC: Master jaws with INCH SERRATION (1/16” x 90°, 3/32’’ x 90°) BHM-FC: Master jaws with METRIC SERRATION (1.5 mm x 60°) (Ø 165 to 400 mm) (suitable for japanese jaws) Technical features • Gripping force transmission via wedge hook • Centrifugal force compensation by means of counter balance weights for minimum loss of gripping force at high speed • Case hardened body (up to Ø 315) to assure greatest precision and long chuck life Standard equipment Ordering example 3-jaw chuck 3-jaw chuck BHD-FC 210 / A6 1 set T-nuts with bolts or 1 set soft top jaws 3-jaw chuck BHM-FC 250 / Z220 Mounting bolts Actual gripping force diagrams Technical data SMW-AUTOBLOK Type Number of jaws Through-hole mm 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 Id.No. BHD-FC 3 jaws (Center mounting) Id.No. BHM-FC 3 jaws (Center mounting) Speed (r.p.m.) Speed (r.p.m.) FG Gripping force (total on 3 jaws) (kN) 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 diagrams 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. * For internal clamping reduce the draw pull by 30%. 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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