386 SF-RAZ2G SF-RAZ2G 710-220 SF-RAZ2G 780-290 SF-RAZ2G 880-390 SF-RAZ2G 1100-570 054720 710 780 880 1.100 10 10 10 10 70 70 70 70 175 175 175 175 220 290 390 570 1100 900 700 (*) 800 ~ 1.015 ~ 1.380 ~ 2.155 7 1/2" 9 5/8“ 13 3/8“ 20 14.75 20 25 31 180° TONGUE & GROOVE 2 Position hydraulic ring indexing chuck ■ 3 self-centering and 3 compensating jaws ■ Very compact design ■ Fully automatic and controlled indexing ■ Hydraulic actuation Application/customer benefits • Machining of couplings in one set-up • Indexing 180° in 2 seconds • 6-jaw clamping for perfect roundness of the coupling = ideal for premium threads • High-Low clamping (roughing - finishing) • Central coolant supply available on request Technical features • Better chuck to workpiece dia. ratio • Less chuck weight on the spindle • Extremely accurate and rigid indexing mechanism with locking system free of clearance • All functions controlled by proximity switches • For external clamping only • Automatic central lubrication Standard equipment Ordering example Chuck with mounting bolts SF-RAZ2G 710 Accessories Hydraulic manifold including electric manifold, hose kit Machining of a coupling in 1 set-up: Picture 1 Clamping the coupling on the outside diameter with 6 jaws (3 self centering and 3 compensating jaws) and machining the thread on side 1. Picture 2 Indexing the chuck 180° with the coupling remaining clamped. Picture 3 After indexing 180°, machining the thread on side 2. Picture 4 3 self centering jaws center and clamp the coupling. Picture 5 When the coupling is centered and clamped, 3 compensating jaws clamp the coupling additionally to distribute the total clamping force onto 6 jaws = less deformation of the coupling / perfect roundness of thread. Technical data SMW-AUTOBLOK Type Id. No. 055170 054819 on request* Number of jaws 3+3 3+3 3+3 3+3 Chuck O.D. mm Stroke per jaw mm Pressure max. bar Clamping force at 50 bar kN Clamping diameter max. mm Speed max. r.p.m Weight kg Coupling size / label size inch Wall thickness (calc.) mm * Detailed dimensions on request. 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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