AMF Catalogue Hydraulic clamping systems Page 218
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support element No. 6964F Article no. Contact force F1 Support force at 350 bar Stroke C Vol. [N] [kN] [mm] [cm³] [g] 66852 6964F-04-2 4,5 - 9,0 4,4 6,5 0,16 281 66878 6964F-11-2 9,0 - 26,5 11,0 9,5 0,33 660 66894 6964F-33 40 - 80 33,4 12,5 1,64 2019 66910 6964F-55 49 - 71 55,6 19,0 4,26 4291 Order no. Support Element, base-flange-mounting CAD Normally extended. Spring advanced, max. operating pressure 350 bar, min. operating pressure 50 bar. Weight Design: Cylinder body from steel, hardened. Support pin with internal thread case hardened and ground. Wiper to protect against dirt and cooling water. Internal parts from stainless steel. Oil supply via threaded port. Application: The support element is used as an extra support to prevent sagging and vibration of a workpiece. Features: Element with high load capacity and low height. Spring extension: the plunger is normally extended. Variable spring setting permits sensitive adjustment of contact force. Note: Support pin must be protected against the entry of dirt and splash water by fitting a set screw or plug. When placing into operation, ensure that all air is bled from the system. Failure to do so can cause destruction of the clamping element by the escaping diesel effect. The supporting force should be matched to the clamping force in order to absorb machining forces. The supporting force should always be at least twice as high as the clamping force. Supporting force (kN) Supporting force (kN) Diagrams: Operating pressure (bar) Operating pressure (bar) vent screw oil connection 0.004 mm/kN elastic change in length under load Dimensions: Article no. Order no. dia. A B D E F G SW SW1 J x depth K M P Q R1 S dia. T W X Y Z 66852 6964F-04-2 16,0 56,0 25,0 24,0 5,5 M26x1,5 23 - M8x7,5 33,5 24,5 44,5 17,5 G1/8 13,0 5,5 9 31,0 9 8,5 66878 6964F-11-2 20,5 70,5 33,0 25,0 6,5 M35x1,5 30 - M10x11,5 41,5 30,0 59,0 24,0 G1/8 18,0 7,0 10 43,0 10 8,5 66894 6964F-33 38,0 111,0 68,5 25,0 12,5 66910 6964F-55 51,0 133,0 76,0 31,5 12,5 Ø 57 Ø 76 AA 7° 7° AC - 50 28,5 M12x15 63,5 52,5 76,0 31,5 G1/8 26,0 7,0 16 61,0 16 10,3 - 4 70 41,5 M16x20 89,0 73,0 97,0 44,5 G1/8 36,5 9,0 24 81,5 24 10,3 - 4 Subject to technical alterations. 218 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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