The rotating part of a servo motor that converts electrical energy into precise mechanical motion through electromagnetic interaction with the stator.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Weight | 0.1-50 kg | |
| Pole Pairs | 2-8 | |
| Rated Speed | 1000-6000 RPM | |
| Rated Torque | 0.1-500 Nm | |
| Rotor Inertia | 0.0001-0.1 kg·m² | |
| Shaft Diameter | 6-80 mm | |
| Max Temperature | 80-150°C | |
| Insulation Class | F or H |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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A servo motor rotor is optimized for high dynamic response, low inertia, and precise control, often using high-energy permanent magnets and designed for compatibility with feedback devices, whereas standard motor rotors prioritize efficiency or torque over precise positioning.
Lower rotor inertia allows faster acceleration/deceleration, improving responsiveness and reducing settling time, which is critical in applications like robotics, CNC machines, and packaging equipment.
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