The ROBSTRIDE05 QDD 5.5N·m Integrated Joint Motor Module is a high-performance actuator designed for robotic applications requiring precision, compact integration, and high torque density. Featuring a quasi-direct drive (QDD) architecture, it delivers smooth motion control and responsive feedback, ideal for humanoid robots, collaborative arms, and dynamic legged platforms.
Key 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
⚙️ Mechanical Parameters
| Parameter | Value |
|---|---|
| Weight | 191g ± 10g |
| Number of Poles | 20 |
| Number of Phases | 3-phase |
| Drive Method | FOC (Field-Oriented Control) |
| Reduction Ratio | 7.75:1 |
🔋 Standard Operating Conditions
| Parameter | Value |
|---|---|
| Rated Voltage | 48V |
| Operating Voltage Range | 15–60V |
| Rated Load | 1.6 N·m |
| Operating Direction | CW / CCW |
| Operating Temperature | 25 ± 5°C |
| Storage Temperature Range | -30°C to 70°C |
| Standard Operating Humidity | 65% |
| Humidity Range | 5–85% (non-condensing) |
| Insulation Class | Class B |
⚡ Electrical Characteristics
| Parameter | Value |
|---|---|
| Rated Speed | 480 rpm ±10% |
| No-load Current | 0.14 Arms |
| No-load Speed | 100 rpm ±10% |
| Rated Load | 1.6 N·m |
| Rated Load Current | 2.4 Apk ±10% |
| Peak Load | 5.5 N·m |
| Maximum Load Current | 6 Apk ±10% |
| Insulation Resistance (Stator) | DC 500V, ≥100 MΩ |
| High Voltage Resistance | 600 VAC, 1s, ≤2 mA |
| Motor Back EMF | 7.4 Vrms/kRPM ±10% |
| Torque Constant | 0.94 N·m/Arms |
| CAN Bus Transmission Rate | 1 Mbps |
| Encoder Resolution | 14-bit (Single-turn Absolute) |
| Encoder Type | [Not Specified] |
| Encoder Turns | 2 |
| Wiring Method | Single Terminal Wiring |