Overview
MyActuator RMD-X4-36 is an integrated planetary actuator motor designed for robotic joints and automation axes. It combines a 36:1 gear ratio with dual absolute encoders and supports CAN BUS and EtherCAT communication for precise motion control.
Key Features
- Communication: CAN BUS & EtherCAT
- Dual encoder: ABS-17BIT (Input) / 18BIT (Output)
- Crossed roller bearings (output)
- High torque density and high precision
- Hollow design
Specifications
| Model | RMD-X4-36 |
| Gear ratio | 36 |
| Input voltage | 24V |
| No-load speed | 111RPM |
| No-load input current | 0.9A |
| Rated speed | 83RPM |
| Rated torque | 10.5N.m |
| Rated output power | 100W |
| Rated phase current | 6.1A(rms) |
| Peak torque | 34N.m |
| Peak phase current | 21.5A(rms) |
| Efficiency | 63.1% |
| Motor back-EMF constant | 6Vdc/Krpm |
| Module torque constant | 1.9N.m/A |
| Motor phase resistance | 0.35Ω |
| Motor phase inductance | 0.17mH |
| Pole pair | 13 |
| 3-phase connection | Y |
| Back drive torque | 1.14N.m |
| Backlash | 10Arcmin |
| Output bearing type | Crossed Roller Bearings |
| Axial load suffer | 1.3KN |
| Axial load stress | 1.3KN |
| Radial load | 1.5KN |
| Inertia | 0.3Kg.cm^2 |
| Encoder type & interface | Dual Encoder ABS-17BIT(Input)/18BIT (Output) |
| Control accuracy | <0.01Degree |
| Communication | CAN BUS/EtherCAT |
| Weight | 0.36Kg |
| Insulation grade | F |
Model Naming Convention (RMD-X V4 Series)
- Format example: RMD - X2 - P28 - 7 - E
- RMD: Brand name (R-Reducer, M-Motor, D-Drive)
- X2: Series name (integrated planetary actuator); the number represents the motor model (e.g., X2/X4/X6/X8)
- P28: Planetary gear ratio (e.g., P12/P28/P32)
- 7: Peak torque (7 N.m)
- E: Communication (CAN BUS & EtherCAT)
- Example model: RMD-X8-P20-120-E (P20: 20:1 planetary gear ratio; 120: peak torque; E: CAN BUS & EtherCAT)
Applications
- Humanoid robots
- Robotic arms
- Exoskeleton robots
- Quadruped robots
- AGV vehicles / AGV smart car
- ARU robots
- Wheeled robots
- Gimbals
- PTZ systems
- Industrial robots and industrial automation
- CNC machine tools
- Smart warehousing (warehouse robot, smart warehouse)
- Inspection
- Healthcare / medical equipment
- Smart agriculture
Manuals & Files
- MyActuator_RMD_X4_36.stp
- Motor_Motion_Protocol.pdf
- EtherCAT_control_protocol.pdf
- User_Manual_for_X_Series_Products.pdf
- RMD-X4-36_Motor_Combination_Diagram.pdf
- X4-36_Accessories.pdf
Details
Built for robotic joints and automation axes, the RMD-X V4 integrated planetary actuator platform pairs high precision with a compact hollow structure.
Model codes clearly indicate the series, gear ratio, peak torque rating, and whether CAN BUS and EtherCAT communication are supported.
