AMF Catalogue Hydraulic clamping systems Page 210
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Centring clamp with two clamping points No. 6974 Order no. Centring clamp MAXI with two clamping points CAD Double-acting, max. operating pressure 350 bar, min. operating pressure 10 bar. Article no. Clamping force Clamping force Clamping Clamping Stroke Repea- Q max. Weight tability points Ø N -1 H at 350 bar* at 100 bar * [g] [mm] [mm] [l/min] [kN] [kN] 328799 6974-2054 3,2 11,2 2 54-62 4,0 ±0,02 1,0 1754 328831 6974-2061 3,2 11,2 2 61-69 4,0 ±0,02 1,0 1754 328864 6974-2068 3,2 11,2 2 68-76 4,0 ±0,02 1,0 1754 327619 6974-2076 5,0 17,5 2 76-84 5,2 ±0,02 1,5 1754 328872 6974-2083 5,0 17,5 2 83-91 5,2 ±0,02 1,5 1754 328914 6974-2090 5,0 17,5 2 90-98 5,2 ±0,02 1,5 1754 329029 6974-2098 8,0 28,0 2 98-109 6,9 ±0,02 2,0 3434 329060 6974-2109 8,0 28,0 2 109-120 6,9 ±0,02 2,0 3597 329102 6974-2119 8,0 28,0 2 119-130 6,9 ±0,02 2,0 3761 * The clamping force is distributed centrally over the 2 clamping points. Design: Double-acting centring clamp with two clamping points. All components from high-grade hardened and nitrided steel. Oil supply via oil channel in fixture body. Application: For centring and clamping workpieces with machined or cast holes, cutouts or penetrations. Element screwed directly onto the fixture body, sealed with O-ring. Features: The centring clamp is fastened from below; oil is supplied through drilled channels in the fixture body. If the centring clamp is fastened from above and oil supplied through conduits drilled in the fixture body, a connection plate for O-ring connection is needed. If the centring clamp is fastened from above and oil supplied through pipes, a connection plate for pipe connection is needed. Pressure pieces are replaceable. Note: The practical combination of 2-point and 3-point elements can avoid over-determined clamping states. Unsuitable for use on lathes. On request: Other sizes available on request. Installation dimensions: groove for OR-1 groove for OR-2 A = clamp B = unclamp Dimensions: Article no. Order no. A dia. B C dia. D Bolt Ø dia. E F -0,4 D1 g6/h7 [mm] G G1 J K L L1 dia. O M P R S SW dia. dia. dia. T U V W dia. Y Y1 Z X OR-2 OR-1 O-ring O-ring Order No. Order No. 328799 6974-2054 22,9 45 11,3 53,9 12 16 40 M6x12 M6 8 6 65,0 45 45 0 57,0 2,6 0 10 20,5 8 3 16,8 7,7 1,1 1,3 6 409508 537985 328831 6974-2061 22,9 45 11,3 60,9 12 16 40 M6x12 M6 8 6 65,0 45 45 0 57,0 2,6 0 10 20,5 8 3 16,8 7,7 1,1 1,3 6 409508 537985 328864 6974-2068 22,9 45 11,3 67,9 12 16 40 M6x12 M6 8 6 65,0 45 45 0 57,0 2,6 0 10 20,5 8 3 16,8 7,7 1,1 1,3 6 409508 537985 327619 6974-2076 32,5 65 15,6 75,9 14 25 54 M8x16 M6 9 6 77,0 56 60 41 68,0 3,1 0,5 11 30,0 14 4 22,0 9,8 1,1 1,5 6 537969 321265 328872 6974-2083 32,5 65 15,6 82,9 14 25 54 M8x16 M6 9 6 77,0 56 60 41 68,0 3,1 0,5 11 30,0 14 4 22,0 9,8 1,1 1,5 6 537969 321265 328914 6974-2090 32,5 65 15,6 89,9 14 25 54 M8x16 M6 9 6 77,0 56 60 41 68,0 3,1 0,5 11 30,0 14 4 22,0 9,8 1,1 1,5 6 537969 321265 329029 6974-2098 42,5 85 19,1 97,9 18 32 67 M10x20 M8 10 6 91,0 64 74 47 80,0 3,6 2,5 13 36,6 16 5 27,0 10,8 1,1 1,3 6 542464 542308 329060 6974-2109 42,5 85 19,1 108,9 18 32 67 M10x20 M8 10 6 91,0 64 74 47 80,0 3,6 2,5 13 36,6 16 5 27,0 10,8 1,1 1,3 6 542464 542308 329102 6974-2119 42,5 85 19,1 118,9 18 32 67 M10x20 M8 10 6 91,0 64 74 47 80,0 3,6 2,5 13 36,6 16 5 27,0 10,8 1,1 1,3 6 542464 542308 Subject to technical alterations. 210 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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