Röhm Main Catalogue Clamping Technology Page 582
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Power chucks with quick jaw change system DURO-A RC - jaw change in 50 seconds APPLICATION Premium power chuck with through-hole for the machining of bar, pipes and discs. Maximum speeds and flexible use thanks to quick jaw change system with individual jaw unlocking. TYPE 3-jaw chuck with cylindrical centre mount. Short taper mounting adapter (DIN ISO 702-1) as option. CUSTOMER BENEFITS Quick jaw change in 50 seconds 3-year warranty (pursuant to DURO-A RC warranty) Excellent price/performance ratio Overall height reduced by up to 14% and up to 17% weight reduction High clamping accuracy and clamping force through very stable construction TECHNICAL FEATURES - High speeds and optimum centrifugal force behaviour due to low jaw weight and key bar design Large through-hole for hollow and partly-hollow clamping Base jaws with straight teeth Included in the scope of delivery: Chuck, chuck and jaw mounting screws, base jaws, safety wrench, mounting wrench A RC = Automatic, Rapid, Change Gripping force / speed diagram 200 The loss of gripping force was determined experimentally on a chuck with matched UB top jaws. It is largely independent of the initial gripping force at zero speed. 315 140 120 DURO-A RC 260 100 DURO-A RC 80 215 60 DURO-A RC 180 40 20 1000 2000 3000 4000 5000 6000 -1 -1 Speed minmin Drehzahl Quick jaw change system with individual jaw unlocking The individual locking arrangement means that handling is particularly easy with special large jaw pads when the workpiece requires them: push key till stop, then turn in arrow direction. 320 300 280 Total gripping force kN Geasamtspannkraft kN Power chuck DURO-A RC To obtain the specified gripping forces, the chuck must be in a perfect condition and lubricated with F 80 lubricant recommended by RÖHM. Measuring point near chuck face. DURO-A RC 160 Total gripping force kNkN Geasamtspannkraft Curve: max. centrifugal force of top jaw 180 260 240 220 DURO-A RC 400 200 180 1000 2000 -1 -1 Speed minmin Drehzahl 6068 www.eshop.roehm.biz 3000 4000
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