AMF Catalogue Hydraulic clamping systems Page 221
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support element No. 6964H Article no. Order no. Support Element, base-flange-mounting CAD Normally retracted. Hydraulic advanced. Spring force for contact, max. operating pressure 350 bar, min. operating pressure 50 bar. 567067 6964H-09-5 567068 6964H-09-50 567069 6964H-18-5 567070 6964H-18-50 567071 6964H-36-5 Contact force F1 Support force at 350 bar Stroke C Q max. Vol. Weight [N] [kN] [mm] [l/min] [cm³] [g] 4,4 - 26,7 8,9 6,5 2,13 0,8 320 4,4 - 26,7 8,9 12,5 2,13 1,1 327 13,5 - 44,5 17,8 6,5 2,13 3,3 595 13,5 - 44,5 17,8 12,5 2,13 3,7 607 18,0 - 57,8 35,6 15,8 2,13 9,34 1275 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 through threaded connection or an O-ring connection on the underside. 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. Oil pressure: The plunger is retracted in the normal position. When pressure is applied, the support pin advances with a weak spring-applied force against the inserted workpiece. The spring force varies with the pin stroke. As the hydraulic pressure rises, the support pin is hydraulically clamped. When the pressure is released, the support pin returns to the normal position. Very high repeatability ensures optimum production quality. The basic body can be removed for direct installation of the screw-in cartridge. 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. Connections P1, P2 and the O-ring connection are all connected. Each can be used as an oil connection. To achieve a controlled clamping sequence, there is the option of screwing the sequence valve 6918-XX-XXX directly into threaded connection P1. The surface finish of the O-ring connection must be Rz 6.3 and flatness must be 0.08. To be able to absorb machining forces, the supporting force should be matched to the clamping force. The supporting force should always be at least twice as high as the clamping force. *oil connection air connection sealed Diagram: oil connection or connection for sequence valve 6918-XX-XXX Supporting force (kN) 6964H-36-X 6964H-18-X 6964H-18-XX 6964H-09-X 6964H-09-XX 6964H-04-2 Operating pressure (bar) Production dimensions with self-production of the clamping screw for support element: Self-produced pressure screw piston Dimensions: Order no. 567067 Article no. dia. A B D E F G J x depth K L M N P Q R S T U SW SW1 6964H-09-5 14,3 71,2 23,7 37 5,3 M26 x 1,5 M8 x 5,0 36 36 27 13,5 27 13,5 4,5 4,0 28 3,6 23 X Y ØAA AC AB BB dia. DD CC 7 7 5,0 6,05 1,19 567112 181289 567068 6964H-09-50 14,3 83,9 35,4 37 5,3 M26 x 1,5 M10 x 5,0 36 36 27 13,5 27 13,5 4,5 4,0 28 3,6 23 13 G1/8 10,5 11,43 7 7 5,0 7,67 1,19 567112 183608 567069 6964H-18-5 19,0 89,5 38,1 37 9,3 M35 x 1,5 M12 x 6,5 44 44 33 16,5 33 16,5 5,5 4,7 27 4,8 30 17 G1/8 10,5 14,1 10 10 6,35 9,91 1,78 567112 335422 567070 6964H-18-50 19,0 102,1 47,9 37 9,3 M35 x 1,5 M12 x 6,5 44 44 33 16,5 33 16,5 5,5 4,7 27 4,8 30 17 G1/8 10,5 14,1 10 10 6,35 9,91 1,78 567112 335422 567071 21 G1/8 10,5 17,28 10 10 7,95 12,9 2,03 567112 552467 6964H-36-5 25,4 118,6 61,7 37 10,2 M45 x 1,5 M15x1 x 8 55 55 44 22,0 44 22,0 5,5 4,7 27 7,9 38 13 G1/8 10,5 9,75 OR-2 OR-1 O-ring O-ring Order No. Order No. Subject to technical alterations. ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de Hydraulic clamping systems 221
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