Product Finder

Find Your Ideal Joint Module

Answer three quick questions to get a personalized recommendation for your robotic application.

1. What is your estimated torque requirement?

Light Duty (< 15 Nm)

Ideal for small desktop arms, lightweight quadruped robots, edge AI projects.

Medium Duty (15 - 80 Nm)

Perfect for industrial collaborative robots (Cobots), humanoid arms, medical robots.

Heavy Duty (> 80 Nm)

Best for exoskeleton hip joints, heavy AMR/AGV wheels, large industrial automation.

2. How critical is "Zero Backlash" for your application?

Mission Critical (Zero Backlash)

Cannot tolerate any mechanical play. Needed for surgical robots, high-precision dispensing, advanced Cobots.

Important (Virtual Zero / Dual Encoder)

High precision is needed but slight mechanical play compensated by dual-loop sensors is acceptable.

Basic Precision (Standard)

Back-drivability and impact resistance are more important than absolute arc-second precision.

3. What is the primary operating scenario?

Humanoid / Rigid Arm

Smooth, continuous, precise trajectories.

Quadruped / Legged

Dynamic impact absorption, high back-drivability.

Research / Hobby

Prototyping, high cost-performance ratio needed.

AGV / Mobile Base

Continuous driving, load bearing capabilities.

Recommendation Ready

Based on your requirements, here is the optimal choice:

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Technical Resources

Dive deeper into motor selection, actuator comparison, and engineering best practices.

Selection Guide

How to Select Motor for Humanoid Robot

Step-by-step guide: torque requirements by joint, reducer type, motor constant Km, and ZHR product recommendations.

Engineering Guide

Integrated Robot Joint Module Guide

Full reference for robot joint modules. Compare harmonic vs planetary specs with a 4-question selection checklist.

Epic Comparison

ZHR-H vs ZHR-P: Harmonic vs Planetary Actuators

Key differences in backlash, torque density, efficiency with real-world case studies and decision matrices.