Overview
The SteadyWin WK1806 Frameless Motor is a compact permanent magnet DC frameless motor engineered as a high-performance robot motor core for precise motion control. Designed for integration into RC boat, car and truck servos as well as advanced robotic systems, it combines high torque, high speed and efficient thermal performance in a lightweight 12 g package.
Key Features
- Ultra-high speed up to 5017 rpm for rapid and efficient operation in high-performance applications.
- High power density delivers substantial output in a compact 22 x 8.5 mm form factor, saving space while maximizing performance.
- Low moment of inertia supports quick start-stop and direction changes, enhancing system agility and reducing cycle times.
- Precise 0.03 N.m nominal torque enables accurate and controlled force for demanding motion-control tasks.
- Permanent magnet DC design with high torque characteristics, suitable for digital waterproof metal servo mechanisms.
- Wide operating temperature range from -20 to 80 °C with a maximum demagnetization temperature of 120 °C for stable performance.
- Frameless construction simplifies integration into custom housings for humanoid robots, robotic arms and other embedded actuator designs.
For product selection or technical support on using the WK1806 as a robot motor or servo core, please contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
| Parameter | Value |
|---|---|
| Brand | SteadyWin |
| Model | WK1806 |
| Motor type | Permanent magnet DC frameless motor |
| Nominal voltage | 12 V |
| Nominal current | 0.66 A |
| Nominal torque | 0.03 N.m |
| Nominal speed | 800 rpm |
| Max speed | 5017 rpm |
| Stall torque | 0.06 N.m |
| Stall current | 1 A |
| Winding turns of motor | 45T |
| Interphase resistance | 5.64 ohm |
| Interphase inductance | 1.06 mH |
| Speed constant | 418 rpm/V |
| Torque constant | 0.06 N.m/A |
| Rotor inertia | 6 gcm^2 |
| Number of pole pairs | 7 pairs |
| Working temperature | -20 to 80 °C |
| Max demagnetize temperature | 120 °C |
| Inner diameter of the stator | 9 mm |
| Motor size | 22 x 8.5 mm |
| Motor weight | 12 g |
Applications
- Humanoid robots (joint and limb actuation as a compact robot motor core)
- Robotic arms and manipulators requiring precise torque and speed control
- Exoskeletons and wearable robotic systems
- Quadruped robots and mobile platforms
- AGV vehicles and autonomous robotic units
- ARU robots and custom automation projects
- RC boat, car and truck servo mechanisms using digital waterproof metal housings
- High-speed consumer and industrial devices needing compact frameless motors
Additional Performance Notes
The WK1806 Frameless Motor combines a 12 V nominal rating with a maximum speed of 5017 rpm, enabling smooth, rapid operation in demanding systems. Its low rotor inertia and 0.06 N.m/A torque constant support fast, responsive control, while superior heat dissipation helps maintain reliability under continuous high-load conditions.
Manuals and CAD Files
- WK1806 installation drawing (PDF)
- WK1806CH installation drawing (PDF)
- SteadyWin WK1806 motor 3D model (STEP)
- SteadyWin WK1806CH motor 3D model (STEP)
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