AMF Catalogue Hydraulic clamping systems Page 256
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support element No. 6944KH Article no. Order no. Support Element, top-flange-mounting Normally retracted. Hydraulic advanced. Spring force for contact, max. operating pressure 70 bar, min. operating pressure 25 bar. Contact force F1 Support force at Stroke H Vol. Md 1 max. Q max. Weight 70 bar [kN] [mm] [cm³] [Nm] [l/min] [g] [N] 552204 6944KH-03-2 2,8 - 3,8 3,0 6,5 0,8 5,4 2,5 430 559180 6944KH-03-5 3,7 - 5,5 3,0 6,5 0,8 5,4 2,5 430 552205 6944KH-04-2 3,6 - 5,6 4,0 8,0 1,4 10,0 2,5 545 559181 6944KH-04-5 4,7 - 7,8 4,0 8,0 1,4 10,0 2,5 545 552206 6944KH-05-2 4,7 - 7,8 5,5 8,0 1,5 16,5 2,5 708 559182 6944KH-05-5 6,2 - 11,0 5,5 8,0 1,5 16,5 2,5 708 552207 6944KH-10-2 5,8 - 9,7 10,0 10,0 1,8 30,0 2,5 1029 559183 6944KH-10-5 7,9 - 13,6 10,0 10,0 1,8 30,0 2,5 1029 Design: Body made from steel, tempered and burnished. Support pin with internal thread case hardened and ground. Wiper to protect against dirt and cooling water. Oil supply via threaded connection or oil channel in the fixture body. 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 support force ensures optimum manufacturing quality. Note: The support pin must be protected against the entry of dirt and splash water by a set screw. When putting into operation, make sure that the hydraulic system is vented perfectly. Failure to do so can cause destruction of the clamping element by the escaping diesel effect. The vent hole must be connected. No coolant must be sucked through this. 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. oil connection venting connection venting connection M5 oil connection R Dimensions: Order no. Article no. A B C dia. D E F dia. dia. J K G L M dia. dia. N P Q R S T U V W dia. X Y Z SW1 SW2 SW3 VV OR-1 O-ring Order No. 552204 6944KH-03-2 21,0 9,0 11,5 10 19,0 1,7 4,5 9,0 3,0 28 50,0 29,9 9,5 30,5 G1/8 34 3 15,0 20,5 7 8 3,6 11 8 13 8 - 161802 559180 6944KH-03-5 21,0 9,0 11,5 10 19,0 1,7 4,5 9,0 3,0 28 50,0 29,9 9,5 30,5 G1/8 34 3 15,0 20,5 7 8 3,6 11 8 13 8 - 161802 552205 6944KH-04-2 27,5 10,5 15,7 12 18,0 1,7 4,5 11,5 3,5 25 52,0 35,9 11,5 32,0 G1/8 40 5 15,7 23,5 8 8 3,6 11 10 15 10 - 161802 559181 6944KH-04-5 27,5 10,5 15,7 12 18,0 1,7 4,5 11,5 3,5 25 52,0 35,9 11,5 32,0 G1/8 40 5 15,7 23,5 8 8 3,6 11 10 15 10 - 161802 552206 6944KH-05-2 31,0 11,0 17,0 15 16,5 1,8 5,5 12,5 4,0 25 57,0 39,9 14,5 34,5 G1/8 45 5 17,0 26,0 8 10 3,6 11 13 19 11 1 161802 559182 6944KH-05-5 31,0 11,0 17,0 15 16,5 1,8 5,5 12,5 4,0 25 57,0 39,9 14,5 34,5 G1/8 45 5 17,0 26,0 8 10 3,6 11 13 19 11 1 161802 552207 6944KH-10-2 39,0 11,0 20,0 16 16,5 1,8 5,5 12,5 4,0 25 64,5 47,9 15,5 39,0 G1/8 51 - 20,0 30,0 11 10 3,6 11 13 21 11 2 161802 559183 6944KH-10-5 39,0 11,0 20,0 16 16,5 1,8 5,5 12,5 4,0 25 64,5 47,9 15,5 39,0 G1/8 51 - 20,0 30,0 11 10 3,6 11 13 21 11 2 161802 Subject to technical alterations. 256 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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