Standard_Parts_Catalogue

Page 824 | 2.4 Tensioning with Clamping Mechanisms GN 865 Power Clamps Pneumatic 2 Type BI Clamping arm vertical Size ( Piston- Ø ) l 2 −0,5 l 3 l 4 l 5 l 6 l 7 −0,5 m 1 ±0,01 m 2 m 3 ±0,01 m 4 ±0,01 m 5 ±0,01 m 6 r s t 20 171 70  21 4,5 21 97  12 7,5 17 34   22 13 47,5 32 13 32 237 91  31 6   31 133  18 10   25 51   30 22 67,5 42 15 40 282 104  38 7,5 38 155  22 13   30 62   37 25 82,5 52 18 50 323 110,5 44 8   44 174 27 12   47 71,5 44 35 96,5 62 21 1 Size (Piston- Ø ) Max. clamping moment in Nm at 6 bar F S in N Clamping force at r at 6 bar F H in N Holding capacity at r at 6 bar a b −0,2 d 1 h8 d 2 d 3 H8 d 4 d 5 h 1 h 2 l 1 −0,5 20  60 1250 2300 10,5 10 28 M  5 7 4,2 M 5 16 16 150 32 150 2220 3040 15,5 12 40 M  6 9 5   G 1 ⁄ 8 21 21 206 40 300 3640 4060 18,5 16 50 M  8 11 6,8 G 1 ⁄ 8 26 26 244 50 475 4900 7200 21,5 18 60 M 10 13 8,5 G 1 ⁄ 8 31 31 279 The maximum clamping moment of the power clamps GN 865 is reached once the clamping arm is at the end of its stroke. For this reason the wor- king stroke should be completed as closely as possible to the stroke end. see also... • Operating Principle, Mounting Methods → Page 820 • Centering Guide Bushings GN 870 → Page 837 • Proximity Switches (to Monitor the End Position) → Page 838 • Other Accessories → Page 828 ff. Information • Steel C 45 Chemically nickel plated NC • Max. pressure 10 bar • ISO Fundamental Tolerances → Page 2151 • RoHS Specification 3 • With anti-stick coating for protection against welding spray and corrosion On request 1 Size 2 Type 3 Finish How to order 1 2 3 GN865-40-BI-NC