Harmonic Drive FB-14-88-2-R pancake harmonic gear set (FB-2 family): size 14, ratio 88. Rated L10 torque 4.9 Nm, average limit 7.8 Nm, repeated peak 7.8 Nm, instantaneous peak 15.7 Nm, average input speed 2,500 rpm, backlash <3 arcmin, mass just 0.1 kg. The high-ratio ultra-flat design suits light-load joints and precision rotary mechanisms needing low speed and high torque.
COMPONENT
Haydon Kerk Pittman (AMETEK, USA) G51A is a Ø51 mm spur gearbox with stock ratios 5.9:1-4,732.5:1 in a compact 34.9-38.8 mm length, max load 1.236 Nm (175 oz-in) standard or 2.118 Nm (300 oz-in) in the HT high-torque version, efficiency 0.48-0.81 and weight 167.3-231.9 g; the very high ratios serve heavy low-speed joints, rotary tables and winding mechanisms when paired with Pittman DC/BLDC motors.