Integrated Actuator Modules
All-in-one smart actuators combining high-torque brushless motors, gear reducers, embedded motor drivers, and dual absolute encoders into a single modular joint.
Integrated smart actuators combine motor, gearing, driver, and encoders into a self-contained joint. US domestic development is emerging with companies like Westmag (6:1–12:1 QDD actuators) and early-stage entrants like Resolved Motion. Chinese imports (CubeMars, Damiao) remain prevalent globally.
US Manufacturers & Suppliers
Westmag
✓ NDAAHigh-volume electric motor manufacturer founded in 2026 (a16z-backed) operating 'Factory 01' in South San Francisco. Products cover drone outrunners (20–100 mm stator) and quasi-direct drive robot actuators (1–150 Nm, 24–48V, 6:1–12:1 planetary gearboxes). Targets domestic and allied sourcing for drones, quadrupeds, and robotic joints.
Resolved Motion
✓ NDAAEarly-stage dual-use robotics startup founded in 2025 developing NDAA-compliant cycloidal joint actuators for humanoid robots and industrial manipulators, claiming Upstate New York assembly and domestic sourcing for bearings and hardware.