Actuators and Servoactuators

Rotary Actuators for Spacecraft

The Rotary Actuator consists of a small-angle, permanent magnet stepper motor coupled with a Harmonic Drive Speed reducer, with a large rotating flange output member. Advantages of this configuration include:

Short, rigid, “pancake” configuration
High gear ratio in a single pass
Small output step
Power-off holding capability
No backlash
High stiffness and structural load capacity

Our qualified standard designs offer the following advantages:

High Performance
Significant Flight Heritage
Previous Qualification
Reduced Delivery Time

The products mentioned are only a sample of our offerings. For more information, please see our Spacecraft Mechanisms catalog or contact us for product details and customized solutions.