Harmonic Drive

FFA-A/-B Series

FFA-A/-B series servo actuators combine Harmonic Drive precision gearing with AC servo motors in a very compact design. FFA-A/-B series actuators are available with maximum output torques from 10 to 1800 Nm and standard reduction ratios ranging from 50:1 to 160:1 providing maximum output speeds of up to 130 rpm. Matching SC-610 digital servo control units, which can be used for current, speed or position control are also available.

Advantages

• Compact design
• Low inertia
• Choice of resolver/incremental encoder or absolute encoder
• Compatibility with a wide variety of currently available servo drives, e.g. Simodrive/Simovert, Indradrive
• Repeatability < ± 5 arcsec
• Torque range up to 1800 Nm
• Speed range up to 80 rpm
• Available in 5 sizes with ratio 50:1 or 100:1
• Available with SC-610 controllers series