DC-Micromotors
2237B018CXR
Graphite Commutation
Key data
- Nominal voltage:
- 6 ... 48 V
- Rated torque up to:
- 12.4 mNm
- No-load speed up to:
- 7300 min⁻¹
- Stall torque up to:
- 48.8 mNm
- Diameter:
- 22 mm
- Length:
- 37 mm
Advantages
- Highly dynamic performance due to a low rotor inertia
- Shockproof all-steel housing with corrosion-resistant coating
- Powerful rare-earth magnet
- Wide operating temperature range: -30 °C to +100 °C (optional -55 °C)
- Durable graphite commutation
- No cogging
- Very high power density
| Productcategory: | DC-Micromotors | |
|---|---|---|
| Productfamily: | FAULHABER CXR | |
| Nominal voltage: | UN | 18 V |
| Terminal resistance: | R | 8.5 Ω |
| Efficiency motor, max.: | ηmax | 72 % |
| No-load speed up to: | n0 | 7120 min⁻¹ |
| No-load current: | I0 | 0.04 A |
| Rated torque up to: | MN | 12.2 mNm |
| Stall torque up to: | MH | 47.1 mNm |
| Speed constant: | kn | 409 min⁻¹/V |
| Back-EMF constant: | kE | 2.44 mV/min⁻¹ |
| Torque constant: | kM | 23.3 mNm/A |
| Current constant: | kI | 0.043 A/mNm |
| Slope of n-M curve: | 149 min⁻¹/mNm | |
| Rotor inductance: | L | 323 µH |
| Mechanical time constant: | Tm | 5 ms |
| Rotor inertia: | J | 3.1 gcm² |
| Angular acceleration: | αmax. | 152 ·10³rad/s² |
| Thermal resistance Rth1: | Rth1 | 6.2 K/W |
| Thermal resistance Rth2: | Rth2 | 22.2 K/W |
| Thermal resistance (external plastic flange): | Rth2 p | 18 K/W |
| Thermal resistance (external metal flange): | Rth2 m | 2.2 K/W |
| Thermal time constant (winding): | τw1 | 11 s |
| Thermal time constant (housing): | τw2 | 587.2 s |
| Thermal time constant (external plastic flange): | τw2 p | 520 s |
| Thermal time constant (external metal flange): | τw2 m | 65 s |
| Housing material: | steel, zinc galvanized and passivated | |
| Operating temperature, min.: | -30 °C | |
| Operating temperature, max.: | 100 °C | |
| Winding temperature, max.: | 125 °C | |
| Mass: | 68 g | |
| Speed up to: | nmax. | 8000 min⁻¹ |
Download
3D-CAD Files
Datasheet
Technical Information