Precious metal commutation, Sleeve bearing Brushed Motor.
Specifications
| CMS12-1506 | CMS12-1514 | |
|---|---|---|
| Rated voltage[V] | 7.4 | 12.0 |
| No load speed[rpm] | 25,100 | 27,500 |
| No load current[mA] | 27 | 29 |
| Stall torque[mNm] | 3.40 | 3.24 |
| Stall current[mA] | 1,261 | 833 |
| Output power[W] | 2.2 | 2.3 |
| Max efficiency[%] | 73 | 66 |
| Terminal resistance[Ω] | 5.87 | 14.40 |
| Rated torque[mNm] | 0.44 | 0.51 |
| Rated speed[rpm] | 21,900 | 23,100 |
| Rated current[mA] | 186 | 155 |
| Friction torque[mNm] | 0.08 | 0.12 |
| Back-EMF constant[mV/rpm] | 0.288 | 0.422 |
| Torque constant[mNm/A] | 2.75 | 4.03 |
| Slope of N-T curve[rpm/mNm] | 7,402 | 8,477 |
| Mechanical time constant[ms] | 15.4 | 16.7 |
| Rotor inertia[gcm2] | 0.20 | 0.19 |
| Max allowable torque[mNm] | 1.13 | 1.08 |
| Inductance[mH] @1kHz | 0.050 | 0.160 |
| Thermal resistance Rth1(coil-housing)[K/W] | 20 | 20 |
| Thermal resistance Rth2(housing-ambient)[K/W] | 68 | 68 |
| 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] | 8.9 | |
※1 measured at ( )mm point from flange
Electrical connections
| CMS12-1506 / CMS12-1514 | ||
|---|---|---|
| #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 (-) | |
