AMF Catalogue Hydraulic clamping systems Page 246
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Link clamp No. 6942KK Link clamp double acting, max. operating pressure 100 bar, min. operating pressure 15 bar. Article no. Order no. CAD eff. piston area Lo [cm²] Md max. Weight [cm³] eff. piston area Sp [cm²] [Nm] [g] Clamping force at 100 bar [kN] Piston force at 100 bar [kN] Clamping stroke [mm] Total stroke Extra stroke Vol. Sp Vol. Lo [mm] [mm] [cm³] 327486 6942KK-25 3,2 4,9 17,5 19,0 1,5 8,6 6,6 4,9 3,8 6,0 752 328484 6942KK-32 5,3 8,0 22,5 24,0 1,5 16,5 13,3 8,0 6,5 7,6 1098 328492 6942KK-38 7,5 11,3 24,5 26,0 1,5 27,8 22,9 11,3 9,3 11,0 1549 328583 6942KK-45 10,5 15,9 28,0 29,5 1,5 44,5 35,8 15,9 12,8 13,0 2362 552012 6942KK-56 17,0 25,5 33,0 34,5 1,5 84,2 71,7 25,5 21,7 28,0 3565 Sp = clamp, Lo = unclamp Design: Cylinder housing made of steel. Piston and pivot bolts are made from tempered steel, hardened and nitrided. Metal wiper to protect the dirt wiper is integrated into the housing. Supply scope includes hinge pins, tension plates, fastening screws but not clamping levers. The threaded connections are suitable for restrictor check valves no. 6916-12-XX. To achieve a controlled clamping sequence, there is the option of screwing the sequence valve 6918-XX-XXX directly into the threaded connection. Oil supply via threaded connection or oil channel in the fixture body. Application: Link clamps are used in clamping fixtures in which workpieces must be freely accessible and loaded from above. Particularly suitable for clamping in clamping pockets. Features: Top flange version, the horizontal centre axis at the standard lever and the pressure point on the workpiece lie in one plane. This prevents relative movement on the workpiece. Note: Maximum travel speed 0.5 m/s. The volumetric flow can be regulated via a restrictor check valve The B to C leverage on the clamping levers is 1 to 1.5! In the design of blank levers, deviations which lead to higher clamping forces are permitted only in exceptional cases. For sizes 32 and 45, screws with strength class 12.9 must be used. Installation direction of the clamping arm: A = clamp B = unclamp fixture Dimensions: Order no. Article no. A A1 B C D E F G H H1 H2 H3 H4 I dia. K L M N P O R S U 9 V X ØG2 OR-1 O-ring Order No. 327486 6942KK-25 46,00 15,8 16,0 24,0 3,5 0,5 17,5 G1/8 25 83 58,0 64,0 29,0 13 39,9 54 17,0 5,5 12,0 18 34 45 26,0 67,5 5,5 161810 328484 6942KK-32 53,25 13,7 18,5 28,0 3,5 2,0 21,0 G1/8 28 95 66,5 74,5 32,0 13 47,9 61 20,0 5,5 13,5 22 40 51 11 30,0 76,8 5,5 161810 328492 6942KK-38 60,50 16,0 21,0 31,5 3,0 1,5 22,5 G1/8 28 106 72,0 81,0 37,0 13 54,9 69 23,5 6,5 16,0 24 47 60 12 33,5 72,9 6,8 161810 328583 6942KK-45 71,00 18,7 24,5 37,0 3,0 2,5 26,5 G1/4 30 124 82,0 96,0 43,5 14 64,9 81 27,5 7,5 19,0 30 55 70 15 39,5 72,9 6,8 161810 552012 6942KK-56 86,00 30,2 30,0 45,0 3,0 2,5 32,5 G1/4 35 140 89,0 105,0 47,0 14 74,9 94,5 31,5 11,0 22,0 32 63 85 16 45,0 67,5 8,7 161810 Subject to technical alterations. 246 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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