B03 Series
Major dimensions (without Hall-effect sensor, without Temperature sensor)
| B03-06 | B03-13 | B03-19 | B03-25 | |
|---|---|---|---|---|
| Overall length A (mm) |
23 | 34 | 40 | 47 |
| Core dimension B±0.5 (mm) |
7.5 | 14 | 20.5 | 26.5 |
| Yoke dimension C±0.1 (mm) |
7 | 15 | 21 | 27.5 |
| Motor mass (kg) |
0.05 | 0.09 | 0.11 | 0.14 |
Specifications
| B03-06 | B03-13 | B03-19 | B03-25 | |
|---|---|---|---|---|
| Max. rotation speed N [r/min] |
47,500 | 30,000 | 24,000 | 21,500 |
| Rated max. torque T [N・m] |
0.019 | 0.037 | 0.054 | 0.072 |
| Motor constant KM [N・m/√W] |
0.008 | 0.014 | 0.020 | 0.025 |
| Torque constant Kt [N・m/A] |
0.010 | 0.020 | 0.030 | 0.040 |
| Rotor inertia JM [kg・m 2] |
1.7×10-7 | 3.5×10-7 | 5.3×10-7 | 6.6×10-7 |
Running torque curve
Simulation conditions
- *1 The simulation conditions are examples. We perform individual simulations based on the customer's specifications.
- Continuous rated torque is expressed (duty100%).
- Heat radiation condition: Natural heat radiation
- Envrionmental temperature: 40℃
- Winding maximum temperature: Up to 85℃
- *2Rotation detector is not considered.
Formula for calculating torque
√3/2 × torque constant between terminals Kt (N·m/A) × motor current lm [A]
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