Integrated QDD actuator modules combining motor, low-ratio gear, encoder, driver, and mechanical package review for legged and humanoid robot joints.
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| Evaluation Metric | Typical Range | Buyer Relevance |
|---|---|---|
| Peak Torque Multiplier | 3x - 5x continuous class | Legged robots need short impact and balance-recovery torque without designing every joint around peak load. |
| Reflected Inertia | Low-ratio QDD target | Lower reflected inertia improves compliance, force-control transparency, and impact absorption. |
| Communication Interface | CAN FD, RS485, EtherCAT option | High joint counts require predictable bus architecture, update rate, and integration support. |
| Variant Traceability | Joint-position part numbers and serial records | Humanoid and quadruped builds can fail when visually similar left/right or torque-class variants are mixed. |
Yes, EtherCAT is available for high-node-count humanoid architectures.
Often yes. We can tune winding, gear ratio, driver limit, housing, and cable direction while keeping a controlled platform strategy.
Ask for torque-speed curves, thermal assumptions, backlash and backdrive notes, driver interface details, and EOL test criteria for the intended joint class.
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