AMF Catalogue Hydraulic clamping systems Page 239
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Clamping elements No. 6966D Order no. Clamping tongs Double-acting, max. operating pressure 250 bar, min. operating pressure 30 bar. CAD 562217 Article no. Holding force F at 250 bar * 6966D-07 [kN] Piston force at 250 bar [kN] 6,7 7,8 Md OR-1 Clamping O-ring range up to Order No. [Nm] [mm] 10 298778 25 Weight [g] 3350 * Holding force specification for lever length 0 Design: Housing made of steel, burnished. Clamp lever holder made of case-hardened steel. The clamping lever holder is driven by two piston rods installed in the housing. Oil supply via oil channels in fixture body. Supplied as standard with four fastening bolts M8 x 80 and two Viton moulded seals for the fastening bolt holder. Application: The clamping tongs prevent vibrations on the workpiece during machining. The clamping tongs are suitable for compensating and holding the workpieces but not for positioning them, with a repetition accuracy of 0.02 to 0.03 mm. Features: The clamping tongs hold the workpiece without clamping it. Note: The clamping levers can be designed individually, these are not supplied as standard. optional oil supply unclamp optional oil supply clamp clamped opened clamping surface for clamping arm clamping surface Drilling template device: fit depth Application example: edge slightly rounded M8 x 17 depth optional oil supply clamp Holding force table for different lever lengths: optional oil supply unclamp Operating pressure bar Lever length L mm 0 20 40 60 80 100 Holding force horizontal F kN 2,49 1,49 1,05 0,82 0,68 0,57 Operating pressure bar 200 Holding force horizontal F kN 4,97 2,96 2,11 1,69 1,35 1,15 100 Subject to technical alterations. ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de Hydraulic clamping systems 239
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