
Smaller. Smoother.
More Responsive.
AKE Quasi-Direct Drive Actuators,
designed for Exoskeletons
AKE40-6丨AKE50-8

Lightweight. Compact.
High Performance.
Only 190g in weight, with a compact
Ø61.2*22.5 mm form factor.
A quasi-direct drive actuator designed for
exoskeletons and lightweight robotic joints.
- Weight
- 190g
- Dimension
- Ø61.2*22.5mm

Precision Transmission.
High Torque Density.
Backlash controlled to ≤9 arcmin for
precise motion and positioning.
Up to 39.5 Nm/kg torque density, delivering
high output in a compact package.
- Backlash
- ≤9arcmin
- Torque Density
- 39.5Nm/kg

Low Backdrive Torque.
Responsive & Compliant.
Backdrive torque as low as 0.09 N·m, providing a
highly responsive mechanical foundation for real-time
torque sensing and active compliance control.
Balanced for fast response and natural
human–robot interaction.
Backdrive torque as low as 0.09 N·m, providing a
highly responsive mechanical foundation for
real-time torque sensing and active compliance
control.Balanced for fast response and natural
human–robot interaction.
- Backdrive Torque
- 0.09N·m

Low-Noise Operation.
Reliable Performance.
Optimized gearbox components
reduce operating noise while improving
actuator durability. Built for stable,
continuous operation.

Quasi-Direct Drive.
Precision & Compliance.
A low-ratio planetary transmission paired with a brushless
motor, combining the torque transparency of direct drive with the
high torque density of a servo actuator. Designed for precise
control and compliant interaction.
A low-ratio planetary transmission paired
with a brushless motor, combining the torque
transparency of direct drive with the high torque
density of a servo actuator. Designed for precise
control and compliant interaction.

