Precious metal commutation, Sleeve bearing Brushed Motor.
Specifications
| CMS12-3005 | CMS12-3010 | |
|---|---|---|
| Rated voltage[V] | 7.4 | 12 |
| No load speed[rpm] | 13,100 | 15,000 |
| No load current[mA] | 17 | 12 |
| Stall torque[mNm] | 8.54 | 9.40 |
| Stall current[mA] | 1,614 | 1,254 |
| Output power[W] | 2.9 | 3.7 |
| Max efficiency[%] | 81 | 82 |
| Terminal resistance[Ω] | 4.59 | 9.57 |
| Rated torque[mNm] | 0.78 | 0.83 |
| Rated speed[rpm] | 11,900 | 13,700 |
| Rated current[mA] | 163 | 121 |
| Friction torque[mNm] | 0.09 | 0.09 |
| Back-EMF constant[mV/rpm] | 0.560 | 0.792 |
| Torque constant[mNm/A] | 5.35 | 7.57 |
| Slope of N-T curve[rpm/mNm] | 1,531 | 1,597 |
| Mechanical time constant[ms] | 4.76 | 5.57 |
| Rotor inertia[gcm2] | 0.30 | 0.33 |
| Max allowable torque[mNm] | 2.85 | 3.13 |
| Inductance[mH] @1kHz | 0.039 | 0.032 |
| Thermal resistance Rth1（coil-housing）[K/W] | 12 | 12 |
| Thermal resistance Rth2（housing-ambient）[K/W] | 48 | 48 |
| Shaft radial play[mm] | 0.05 | |
| Shaft axial play[mm] | 0.03‐0.2 | |
| Max shaft radial load[N] | 0.5（5mm ※1） | |
| Max shaft axial load[N] | 0.15 | |
| Max shaft axial load at standstill[N] | 7.8 | |
| Operating temperature[℃] | -20‐+60 | |
| Max coil temperature[℃] | 80 | |
| Weight[g] | 19.5 | |
※1 measured at ( )mm point from flange
Electrical connections
| CMS12-2004 ／ CMS12-2010 | |
|---|---|
| #1 or Red Lead Wire | Motor Vin (+) |
| #2 | Encoder Vcc |
| #3 | Encoder Ch.A |
| #4 | Encoder Ch.B |
| #5 | (Encoder Ch.Z) |
| #6 | Encoder GND |
| #7 or Black Lead Wire | Motor GND (-) |
