Planetary Joint Actuator

APM FAMILY

Planetary Joint Actuators

ARTUS planetary joint actuators integrate a planetary reducer, motor, encoder, and driver into a compact motion unit. Explore our APM series for humanoid robots, quadruped robots, robotic arms, and industrial automation.

IN MASS PRODUCTION

APM SERIES

Explore Our Planetary Joint Actuator Series

Explore ARTUS APM planetary joint actuators designed for different torque, speed, and installation requirements in robotics and industrial automation.

HEAVY-DUTY SERIES

Heavy-Duty Joint Actuators

APM-125-400-R27

For high-load robotic joints requiring high torque and robust mechanical performance.

Peak Torque

400 Nm

Rated Speed

120 rpm

Outer Diameter

125 mm

View Series →

MEDIUM-DUTY SERIES

Medium-Duty Joint Actuators

4 Models

Balanced torque, speed and compact size for general-purpose robotic joints.

Peak Torque

50–120 Nm

Rated Speed

100-160 rpm

Outer Diameter 

63 / 86 mm

View Series →

HIGH-SPEED SERIES

High-Speed Joint Actuators

3 Models

Designed for dynamic robotic joints where higher output speed is prioritized.

Peak Torque

24–60 Nm

Rated Speed

300-450 rpm

Outer Diameter

83/ 95.5/ 102 mm

View Series →

INTEGRATED ARCHITECTURE

Integrated Planetary Joint Actuator Design

APM planetary joint actuators combine precision transmission, motor control, feedback and mechanical support in a compact integrated design.

Integrated harmonic joint actuator exploded view

Planetary Reducer · Motor · Encoder · Driver / Controller · Bearings · Brake (Optional)

PRODUCTION CAPABILITY

Engineering and Delivery Support

From prototype evaluation to volume production, ARTUS provides integrated engineering, manufacturing and delivery support for robotic joint module projects.

ARTUS robotic joint module engineering and production

30,000+

Annual Joint Module Capacity

2000+

Monthly Robot Production Support Capacity

Approx. 6 Weeks

Prototype Development

Flexible Scheduling

Pilot and Volume Production

QUALITY ASSURANCE

Built and Tested for Reliable Operation

Our engineering and manufacturing process covers precision component production, module assembly, performance testing and production quality control. Each project is evaluated and verified according to the agreed operating conditions and technical requirements.

Precision component inspection

Module assembly verification

Performance and functional testing

Final production quality inspection

Harmonic joint actuator performance testing and quality inspection

NEED HELP SELECTING A MODEL?

Not Sure Which APM Model Fits Your Application?

Share your required torque, speed, size and application details. Our team can help you select a suitable APM planetary joint actuator.

Discuss Your Requirements →