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Fast. Precise. Incredibly Powerful.

Linear actuators and micro actuators designed specifically for humanoid robots.

Key Features

5.7
N/g
Ultra-high thrust density
Compared to industry average
power boosted by
2x
Industry-leading smart control algorithms
for precise movement and faster response
Planetary roller screws
for higher efficiency and greater thrust
Thousands of CAE optimizations and fatigue tests
High efficiency, high reliability, and ultra-durable
In-house developed hollow cup motor
smaller in size with greater output

World-leading Motor Design

In-house developed frameless torque motor/brushless hollow cup motor, providing higher torque, longer lifespan, and quieter operation.

Proprietary motor winding technology significantly enhances slot filling, improving thrust density and operational efficiency.

Planetary roller screws for greater thrust & stability.

In-house developed 7mm micro planetary roller screw, greatly improving transmission efficiency, suitable for various industrial and everyday applications.

Exceptional load capacity and ultra-long service life.

No risk of power failure, with easy joint self-locking for enhanced safety during operation.

High-precision & dynamic Control Algorithms

Innovative decoupled adaptive control architecture, balancing high-speed response with steady-state accuracy, breaking through dynamic and steady-state performance limits.

AI-driven control parameter optimization technology, ensuring continuous, stable, and optimal performance across all scenarios.

In-house developed high-precision position encoding online calculation method, ensuring precise and stable control.

CAE Optimization & Fatigue Testing

10k+ CAE simulations and fatigue validation, ensuring design reliability and long-term stable performance.

Seamless integration of motor and gearbox design, optimizing force-speed matching and energy efficiency.

Innovative tooth profile and load-balanced gear design, boosting load capacity while minimizing vibration and noise.

Efficient cooling combined with a lightweight structure, enhancing torque density and extending lifespan.

Comprehensive System Solutions

Linear drive solutions designed for humanoid robots, covering a thrust range from 60N to 8000N, meeting the needs of all major joints.

In-house developed upper-level software with a rich set of API interfaces, enabling easy coordination and control of multiple modules.

Paired with rotary actuators and dexterous hand series, offering fully customized electric drive solutions.

Detailed Technical Parameters

PRM 03-12-250
PRM 03-10-130
PRM 03-10-90
PRM 03-10-50

PRM 03-12-250

PRM 03-10-130

PRM 03-10-90

PRM 03-10-50

2.1A

Peak Current

1.5A

Peak Current

1.5A

Peak Current

1.5A

Peak Current

14.7mm/s

Maximum Speed

16.3mm/s

Maximum Speed

27.4mm/s

Maximum Speed

27.4mm/s

Maximum Speed

250N

Maximum Thrust

130N

Maximum Thrust

90N

Maximum Thrust

50N

Maximum Thrust

5.7N/g

Thrust Density

4.2N/g

Thrust Density

3.9N/g

Thrust Density

2.9N/g

Thrust Density

53g

Weight

48g

Weight

38g

Weight

35g

Weight

12.5×14.5×82.2mm

Size

10×12.5×78.9mm

Size

10×12.5×78.9mm

Size

10×12.5×78.9mm

Size

12V

Input Voltage

12V

Input Voltage

12V

Input Voltage

12V

Input Voltage

0.18A

No-load Current

0.18A

No-load Current

0.18A

No-load Current

0.18A

No-load Current

0.3mm

Screw Lead

0.3mm

Screw Lead

0.3mm

Screw Lead

0.5mm

Screw Lead

25mm

Maximum Stroke

25mm

Maximum Stroke

25mm

Maximum Stroke

25mm

Maximum Stroke

Linear

Transmission Structure

Linear

Transmission Structure

Linear

Transmission Structure

Linear

Transmission Structure