The DM-J4340 Series integrated joint motor is designed for medium-torque robotic joints requiring high reliability and smooth motion control. With a robust reduction mechanism and precise encoder feedback, it delivers stable torque output and accurate positioning for professional robotic systems.
Within the OpenArm robotic arm architecture, the DM-J4340 series is commonly used in the elbow joint (J3), where higher torque is needed to support the arm structure and payload while maintaining smooth motion during lifting and extension movements.
Mechanical parameters
Performance Parameters
|
Parameter |
Value |
| Supply Voltage (V) | 24 |
| Rated Phase Current (A) | 3 |
| Peak Phase Current (A) | 8 |
| Rated Torque (Nm) | 9 |
| Peak Torque (Nm) | 27 |
| Rated Speed (rpm) | 36 |
| No-load Speed (rpm) | 52.5 |
| Rated Power (W) | 33 |
| Reduction Ratio | 40 |
| Pole Pairs | 14 |
| Phase Inductance (µH) | 360 |
| Phase Resistance (Ω) | 0.88 |
| Motor Size (mm) | 57 × 53.3 |
| Weight (g) | 362 |
| Encoder | Magnetic / Dual Encoder |
| Communication Mode | CAN, CAN FD |