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Planetary Joint Module Series
Liangzhi Joint · Robotic Joint Module

Planetary Joint Module Series

High-torque lightweight joint module for humanoid robots and exoskeletons

600N·m
Peak Torque
≤5 arc-min
Precision
4.1kg
Min. Weight
5-7 days
Lead Time
Liangzhi Joint
30+ Patents · 300K Annual Capacity · Helical Gear Design

What Is Liangzhi Planetary Joint Module?

The Liangzhi Planetary Joint Module is a high-performance robotic actuator featuring a compact helical gear design that delivers 600N·m peak torque while being 10-20% lighter than comparable products. With precision under 5 arc-minutes, it's optimized for heavy-load applications in humanoid robots and medical exoskeletons.

Lightweight Design

Weighs as little as 4.1kg with superior power density

Helical Gear Structure

Precision helical gears for smooth operation and high torque

Rapid Delivery

5-7 day lead time with strict quality control

Core Features & Benefits

High Torque Density

600N·m peak torque in compact form factor

Precision Engineering

≤5 arc-minute positioning accuracy

Weight Advantage

10-20% lighter than competing modules

Quick Turnaround

Mass production capability with 300K units/year

Technical Specifications

Planetary Joint Module Technical Specifications
Peak TorqueUp to 600N·m
Precision≤5 arc-minutes
WeightFrom 4.1kg
Gear TypeHelical planetary
Operation Temperature-10°C to +50°C
Design Life10,000 hours
Backlash≤3 arc-minutes
Efficiency≥92%

Complete Model Comparison

ModelTorque (N·m)Weight (kg)Precision
Standard Module4005.2≤8 arc-min
Liangzhi Module6004.1≤5 arc-min

Industry Applications

Humanoid Robots

  • Hip joints
  • Knee actuators
  • Spinal mechanisms

Medical Exoskeletons

  • Lower limb support
  • Rehabilitation devices
  • Power assist systems

Industrial Automation

  • Heavy payload arms
  • Precision positioning
  • Collaborative robots

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