AMF Catalogue Hydraulic clamping systems Page 247
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Link clamp No. 6942KK-**L Link clamp double acting, clamp arm left, max. operating pressure 100 bar, min. operating pressure 15 bar. Article no. Order no. CAD Clamping force at 100 bar [kN] Clamping stroke [mm] Piston force at 100 bar [kN] Total stroke Extra stroke Vol. Sp Vol. Lo [mm] [mm] [cm³] [cm³] eff. piston area Lo [cm²] eff. piston area Sp [cm²] Md max. Weight [Nm] [g] 327569 6942KK-25L 3,2 4,9 17,5 19,0 1,5 8,6 6,6 4,9 3,8 6,0 752 328500 6942KK-32L 5,3 8,0 22,5 24,0 1,5 16,5 13,3 8,0 6,5 7,6 1098 328518 6942KK-38L 7,5 11,3 24,5 26,0 1,5 27,8 22,9 11,3 9,3 11,0 1549 328609 6942KK-45L 10,5 15,9 28,0 29,5 1,5 44,5 35,8 15,9 12,8 13,0 2362 552014 6942KK-56L 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 the 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: dia. K L 327569 6942KK-25L 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 328500 6942KK-32L 60,50 16,0 21,0 31,5 3,0 1,5 22,5 G1/8 28 95 66,5 74,5 32,0 13 47,9 61 328518 6942KK-38L 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 328609 6942KK-45L 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 552014 Order no. Article no. ØG2 OR-1 O-ring Order No. 17,0 5,5 12,0 18 34 45 9 26,0 67,5 5,5 161810 20,0 5,5 13,5 22 40 51 11 30,0 76,8 5,5 161810 69 23,5 6,5 16,0 24 47 60 12 33,5 72,9 6,8 161810 81 27,5 7,5 19,0 30 55 70 15 39,5 72,9 6,8 161810 6942KK-56L 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 A A1 B C D E F G H H1 H2 H3 H4 I M N P O R S U V X Subject to technical alterations. ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de Hydraulic clamping systems 247
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