Application Scenarios
Open Source Integration
OpenArm is a fully open-source humanoid robot arm designed for physical AI research and deployment in contact-rich environments.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | DM-J8009P-2EC |
| Nominal Voltage | 24V (wide-voltage 24V–48V) |
| Nominal Current | 20A |
| Peak Current | 50A |
| Nominal Torque | 20 N·m |
| Peak Torque | 40 N·m |
| Nominal Speed | 100 rpm |
| Max. No-load Speed | 160 rpm @ 24V 320 rpm @ 48V |
| Reduction Ratio | 9:1 |
| Pole Pairs | 21 |
| Phase Inductance | 80 μH |
| Phase Resistance | 0.145 Ω |
| Outer Diameter | 98 mm |
| Height | 61.7 mm |
| Motor Weight | 930 g |
| Encoder Resolution | 14 Bit |
| Encoder Quantity | 2 |
| Encoder Type | Single-Turn Magnetic Encoder |
| Control Interface | CAN @ 1 Mbps |
| Configuration Interface | UART @ 921600 bps |