FA-DH20-24V Coreless Brushless Motor
High torque density Ø20mm brushless motor FA-DH20-24V (20W,24V, diameter: 20mm, length: 45mm) Designed for dental implant motor systems and high-torque surgical drive applications.
High torque density with stable speed control, suitable for demanding dental procedures requiring precision and reliability.
Compatible with sterilization-resistant system design (depending on integration structure)
Available with encoder and drive integration for closed-loop control.
Mechanical Dimensions
Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 06A | 05A | |
|---|---|---|---|
| Nominal voltage | V | 22 | 24 |
| No load speed | rpm | 44000 | 41000 |
| No load current | mA | 210 | 180 |
| Nominal speed | rpm | 40000 | 37500 |
| Nominal torque | mNm | 8.12 | 8.03 |
| Nominal current | A | 1.99 | 1.68 |
| Stall torque | mNm | 95.5 | 94.5 |
| Stall current | A | 20 | 16.9 |
| Terminal resistance | Ω | 1.1 | 1.42 |
| Torque constant | mNm/A | 4.68 | 5.47 |
| Speed constant | rpm/V | 2000 | 1708 |
| Mechanical time constant | ms | 3.69 | 3.47 |
| Rotor inertia | gcm² | 0.8 | 0.8 |
Optical Gearbox
| N/O | |
|---|---|
Optional encoder
| N/O | |
|---|---|
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Sleeve bearings |
| Number of pole pairs | 1 | Weight of motor | 78.6g |
| Number of phases | 3 |
Engineering Overview
This motor is designed for dental implant drive systems where torque stability and reliability are critical. Its compact size allows integration into handheld surgical devices without sacrificing output performance. The brushless structure provides longer service life and reduced maintenance, while enabling stable control under varying load conditions. The motor can be integrated with gearbox, encoder and control system to form a complete micro drive solution.
Typical Applications
- Dental implant motor systems
- Surgical handheld devices
- High torque precision drive applications