AMF Catalogue Hydraulic clamping systems Page 248
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Link clamp No. 6942KK-**R Link clamp double acting, clamp arm right, max. operating pressure 100 bar, min. operating pressure 15 bar. CAD eff. piston area Lo [cm²] Md max. [cm³] eff. piston area Sp [cm²] [Nm] [g] 6,6 4,9 3,8 6,0 752 13,3 8,0 6,5 7,6 1098 22,9 11,3 9,3 11,0 1549 44,5 35,8 15,9 12,8 13,0 2362 84,2 71,7 25,5 21,7 28,0 3565 Article no. 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] 327585 6942KK-25R 3,2 4,9 17,5 19,0 1,5 8,6 328526 6942KK-32R 5,3 8,0 22,5 24,0 1,5 16,5 328534 6942KK-38R 7,5 11,3 24,5 26,0 1,5 27,8 328625 6942KK-45R 10,5 15,9 28,0 29,5 1,5 552013 6942KK-56R 17,0 25,5 33,0 34,5 1,5 Order no. Weight 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: Article no. Order 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 V X ØG2 OR-1 O-ring Order No. 327585 6942KK-25R 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 9 26,0 67,5 5,5 161810 328526 6942KK-32R 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 328534 6942KK-38R 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 328625 6942KK-45R 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 552013 6942KK-56R 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. 248 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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