157 VNK-T2 130/52 VNK-T2 170/77 VNK-T2 225/95 VNK-T2 320/127 VSG 450/165 SIN-S 125 SIN-S 150 SIN-S 175 SIN-S 200 SIN-HL 100 SIN-HL 125 SIN-HL 150 SIN-HL 175 58 76 100 123 138 71 108 150 196 49 77 108 154 6300 5000 4000 3200 2000 6000 6000 5000 4000 7000 6000 6000 5000 52.5 77 95.5 127.5 165 - - - - - - - - 2 s VNK-T2 SIN-S SIN-HL KNCS®-NB KNCS®-NBX QUICK JAW CHANGE ■ Recommended actuating cylinders ■ Examples for assembly ■ High-low clamping for thin-walled components Hydraulic open center cylinder with built-in safety valves, piston stroke control and coolant collector (pmax. = 45 bar) Hydraulic closed center cylinder with built-in safety valves and piston stroke control. Central through-hole for air or coolant (pmax. = 70 bar) Hydraulic closed center cylinder for high-low clamping with built-in safety valves and piston stroke control. Central through-hole for air, oil or coolant (pmax. = 70 bar) Actuating cylinders with and without through-hole Examples for assembly High-low clamping for thin-walled components For more technical information see general catalog page 327. Solid component / high gripping force Thin-walled component / low gripping force roughing f inish machining chuck gripping force Without “high-low“ clamping With “high-low“ clamping Principle Function Result Open center with VNK-T2 Partial open center with SIN-S / SIN-HL For easily deformable components SMW-AUTOBLOK offers ”high-low“ clamping. The gripping force of the chuck can be reduced from a large amount of gripping force used in roughing, to a smaller amount of gripping force for a finishing cut without unclamping the component. The SMW-AUTOBLOK closed center cylinder type SIN-HL and a modification of the machine hydraulic are necessary. In combination with a SMW-AUTOBLOK ”high-low“ hydraulic cylinder SIN-HL and suitable machine hydraulics, the KNCS-NB / KNCS-NBX wedge bar system allows a monitored reduction of gripping force. The component remains clamped in the chuck, however, the stress of the component can be released. The ”high-low“ cycle is programmable and is finished completely within 2 - 4 sec. The result are round components with a minimum of deformation. For additional information please ask our engineers. time SMW-AUTOBLOK Type Draw pull max. kN nmax. r.p.m. Through-hole mm 3 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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