WK32by Wachendorff AutomationHelical coupling for encoders with shaft sizes ø 6mm or 10mm Specifications Max. operating speed 6,000 rpm Max. torque 120 Ncm Max. offset of shafts radial ± 0.35 mm Max. offset of shafts axial ± 0.5 mm Max. offset of shafts angular ± 4° Torsion spring stiffness 16 Nm/rad Radial spring stiffness 45 N/mm Moment of inertia 29 gcm² Max. clamping torque 100 Ncm Weight 34g Material Aluminum chrome Configurations WK320610 Helical coupling: ø d1 = 6mm, ø d2 = 10mm WK321010 Helical coupling: ø d1 = 10mm, ø d2 = 10mm