Röhm Main Catalogue Clamping Technology Page 646
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Special applications Special applications - rational clamping solutions KFD-N draw-down chuck APPLICATION Power chucks based on KFD principle with draw-down for clamping tasks for external clamping where workpiece axial run-out errors have to be minimized. TYPE AND FUNCTION Retractable chuck body for drawing down the workpiece onto a rigid plane face. Built-in pressure springs put the body back into its original position. CUSTOMER BENEFITS High clamping precision and clamping force by means of the KFD principle With active pull-down for maximum plane-parallelism KKHFR combination chuck APPLICATION Optimally suited for the complete machining of workpieces, such as crankshafts and cam shafts. TYPE AND FUNCTION With retractable clamping jaws and face driver. The clamping jaws are retracted for finish turning; the workpiece is moved by the face driver. This way, the outer diameter can be completely machined. For the force-actuated face driver with a rigid point, the chuck is actuated via the hydraulic double piston cylinder and, in the case of a face driver with spring-loaded point, via the hydraulic clamping cylinder with enlarged stroke. CUSTOMER BENEFITS Efficient complete machining of shafts in one set-up KTF indexing chuck APPLICATION For rationally turning of workpieces with a centric and an eccentric center of rotation (or several eccentric centers of rotation), such as crankshafts, housings or pistons. Special applications TYPE AND FUNCTION Force-actuated. Clamping and indexing via rotary piston cylinders with 4-way oil distributor in connection with Cardan linkage assembly. Indexing angle 180°. Eccentric dimension constant or adjustable. CUSTOMER BENEFITS Efficient machining of workpieces by shifting the center to be machined without reclamping HTF indexing chuck APPLICATION Optimally suited for rationally turning workpieces with a centric and an eccentric center of rotation (or several eccentric centers of rotation), such as crankshafts, housings or pistons. TYPE AND FUNCTION Hydraulically operated. Indexing is done using 2 hydraulically actuated racks. Clamping by means of integrated hydraulic pistons. Indexing angles 180°, 4x90°, 5x72°, 6x60°. CUSTOMER BENEFITS Efficient machining of workpieces by shifting the center to be machined without reclamping 6132 www.eshop.roehm.biz
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