Accessories, Flexible Couplings Shaft encoders must be protected against excessive mechanical stresses, which occur when- ever there are angular, axial, or radial misalignments between the machine and shaft encoder shafts. Our flexible couplings can compensate for this within limits. Absolute max. speed 10,000 RPM Plastic coupling Torque max. 20 Ncm Set screw 2 Moment of inertia 1.1 gcm Torsional spring constant 25 Ncm/degree Max. angular misalignment 2.5 Max. shaft misalignment radial / axial 0.3 mm / 0.2 mm Max. tightening torque of set screws 30 Ncm Material polyamide 6.6 glass-fibre reinforced Weight 3.5 g approx. Dimensions in mm Hub diameter 5/5 mm Ordering code 3 520 034 Suitable for encoder type RI 39 5/6 mm Ordering code 3 520 033 RI 32, RI 41, RI 42 6/6 mm Ordering code 1 761 026 Absolute max. speed 6,000 RPM Helical coupling Torque max. 80 Ncm 2 Moment of inertia 8.7 gcm Torsional spring constant 14 Ncm/degree Max. angular misalignment 4 Max. shaft misalignment radial/axial 0.25 mm / 0.4 mm Max. tightening torque of set screws 80 Ncm Material AICuMgPb, chromed Weight 16 g Dimensions in mm Hub diameter * applies for with * marked hub diameters 5/5 mm Ordering code 3 520 036 Suitable for encoder type RI 30, RI 32, 5/6 mm Ordering code 3 520 035 RI 36, RI 41, RI 42, RI 58, RA 58 6/6 mm Ordering code 0 070 653 6/6.35 mm Ordering code 3 520 051 1) 6/9.53 mm Ordering code 3 520 052 1) 6/10 mm Ordering code 3 520 066 6.35/6.35 mm Ordering code 3 520 057 1) 6.35/9.52 mm Ordering code 3 520 062 1) 10/12 mm Ordering code 3 520 065 1) 10/10 mm Ordering code 3 520 074 1) 1) The dimensions marked with apply for the dimensional drawings EN C O D E R S COUNTERS CONTROLLERS INDICA T ORS RELAYS PRINTERS CUTTERS Shaft Encoders 2001 221Flexible Couplings Absolute max. speed 12,000 RPM Spring washer coupling Torque max. 60 Ncm Max. shaft misalignment Radial 0.3 mm Axial 0.4 mm Angular 2.5 Torsional spring constant 50 Nm/rad Material Flanges aluminium, surface-protected Spring disc plastic, glassfibre-reinforced Dimensions in mm Hub diameter 5/6 mm Ordering code 3 520 080 6/6 mm Ordering code 3 520 081 6/10 mm Ordering code 3 520 082 6/6.35 mm Ordering code 3 520 083 6/9.53 mm Ordering code 3 520 084 6.35/6.35 mm Ordering code 3 520 085 7/7 mm Ordering code 3 520 086 10/6.35 mm Ordering code 3 520 087 10/10 mm Ordering code 3 520 088 Absolute max. speed 12,000 RPM Flange-face coupling Torque max. 80 Ncm 2 Moment of inertia 19 gcm Torsional spring constant 130 Ncm/degree Max. angular misalignment 3.0 Max. shaft misalignment radial 0.3 mm axial 0.4 mm Max. tightening torque of set screws 80 Ncm Hub diameter d and d1 6 mm H 8 Dimensions in mm Material coupling body, flange AICuMgPb, anodized aluminium preloaded disc CuSn6, stainless steel Weight 14.5 g approx. Ordering code 0 070 663 Suitable for encoder type RI 36, RI 58, RA 58 Absolute max. speed 8,000 RPM Bellows coupling Torque max. 80 Ncm 2 Moment of inertia 22 gcm Torsional spring constant 230 Ncm/degree Max. angular misalignment 4.0 Max. shaft misalignment radial 0.3 mm axial 0.5 mm Max. tightening torque of set screws 150 Ncm Material flange CuZn39Pb3, nickel-plated Dimensions in mm bellows CuZn20, nickel-plated Weight 34 g Hub diameter 12/12 mm Ordering code 0 070 666 Suitable for encoder type RI 58, RA 58 10/10 mm Ordering code 3 520 037 9.53/9.53 mm Ordering code 3 520 038 6/6 mm Ordering code 3 520 068 222 Shaft Encoders 2001 EN C O D E R S COUNTERS CONTROLLERS INDICA T ORS RELAYS PRINTERS CUTTERS