🤖 ROBSTRIDE05 QDD 5.5N·m Integrated Joint Motor Module
The ROBSTRIDE05 QDD is a high-performance actuator 💪 built for robotics that demand precision 🎯, compact integration 📦, and high torque density ⚙️.
⚡ Quasi-Direct Drive Architecture
Enjoy ultra-smooth motion control 🌀 and fast, responsive feedback 📡—perfect for:
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🧍♂️ Humanoid robots
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🤝 Collaborative robotic arms
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🐾 Agile legged platforms
Features
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🌀 5.5N·m rated torque with high efficiency and low noise
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⚙️ Integrated design combining motor, driver, encoder, and reducer in one compact unit
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🔄 Quasi-direct drive (QDD) for superior backdrivability and compliance
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📏 High-resolution encoder for accurate position and velocity feedback
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🔌 Plug-and-play interface for fast deployment and system integration
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🧠 Compatible with mainstream motion controllers and ROS-based platforms
Technical Specifications
Mechanical Specs
| Item | Specification |
|---|---|
| Size | 46 × 46 × 44 mm |
| Weight | 191 g ± 10 g |
| Poles | 20 |
| Phases | 3 phases |
| Drive Method | FOC |
| Reduction Ratio | 7.75 : 1 |
| Gear Material | Machined Steel |
Standard Using Status
| Item | Specification |
|---|---|
| Rated Voltage | 48 V |
| Voltage Range | 15–60 V |
| Rated Load (CW) | 1.6 N·m |
| Running Direction | CW / CCW |
| Using Temperature | 25 ± 5 ℃ |
| Temperature Range | -20 ~ 50 ℃ |
| Storage Temperature Range | -30 ~ 70 ℃ |
| Using Humidity | 65% |
| Humidity Range | 5 ~ 85% |
| Insulation Level | Class B |
Electrical Specs
| Item | Specification |
|---|---|
| No‑load Speed | 480 rpm ±10% |
| No‑load Current | 0.14 Arms |
| Rated Load | 1.6 N·m |
| Rated Load Speed | 100 rpm ±10% |
| Rated Load Phase Current (Peak) | 2.4 Apk ±10% |
| Peak Load | 5.5 N·m |
| Max Load Phase Current (Peak) | 11 Apk ±10% |
| Insulation Resistance / Stator Winding | DC 500 VAC, 100 MΩ |
| High Voltage Resistance / Stator & Casing | 600 VAC, 1 s, 2 mA |
| Back‑EMF | 7.4 Vrms/kRPM ±10% |
| Torque Constant | 0.94 N·m/Arms |
| CAN Bus Baud Rate | 1 Mbps |
| Encoder Resolution | 14‑bit (Single Absolute) |
| Encoder Type | Magnetic Encoder |
| Encoder Quantity | 2 |
| Wire Design | Single Port Wiring |