Harmonic Drive FBS hollow-shaft harmonic gear units: sizes 25/32 with ratios 30/50/100 (6 models). Rated L10 torque 15-56 Nm, repeated peak 25-106 Nm, instantaneous peak 50-151 Nm, standard accuracy 2-3 arcmin, mass 1.3-2.2 kg. The large-bore hollow shaft routes cables, air lines and optical shafts through the axis, ideal for robot joints and rotary platforms needing in-axis wiring.
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