Precious metal commutation, Sleeve bearing Brushed Motor.
Specifications
| CMS16-2805 | CMS16-2812 | CMS16-2852 | |
|---|---|---|---|
| Rated voltage[V] | 7.4 | 12 | 24 |
| No load speed[rpm] | 8,900 | 9,200 | 9,600 |
| No load current[mA] | 15 | 10 | 5 |
| Stall torque[mNm] | 11.05 | 12.14 | 10.85 |
| Stall current[mA] | 1,420 | 992 | 465 |
| Output power[W] | 2.6 | 2.9 | 2.7 |
| Max efficiency[%] | 81 | 81 | 80 |
| Terminal resistance[Ω] | 5.21 | 12.10 | 51.63 |
| Rated torque[mNm] | 1.03 | 1.08 | 1.02 |
| Rated speed[rpm] | 8,100 | 8,400 | 8,700 |
| Rated current[mA] | 146 | 97 | 48 |
| Friction torque[mNm] | 0.12 | 0.12 | 0.12 |
| Back-EMF constant[mV/rpm] | 0.824 | 1.294 | 2.471 |
| Torque constant[mNm/A] | 7.86 | 12.36 | 23.59 |
| Slope of N-T curve[rpm/mNm] | 804 | 756 | 886 |
| Mechanical time constant[ms] | 5.94 | 5.96 | 6.13 |
| Rotor inertia[gcm2] | 0.71 | 0.75 | 0.66 |
| Max allowable torque[mNm] | 3.68 | 4.05 | 3.62 |
| Inductance[mH] @1kHz | TBD | 0.133 | TBD |
| Thermal resistance Rth1（coil-housing）[K/W] | 14 | 14 | 14 |
| Thermal resistance Rth2（housing-ambient）[K/W] | 38 | 38 | 38 |
| Shaft radial play[mm] | 0.05 | ||
| Shaft axial play[mm] | 0.03‐0.2 | ||
| Max shaft radial load[N] | 1.2(5mm ※1) | ||
| Max shaft axial load[N] | 0.2 | ||
| Max shaft axial load at standstill[N] | 9.8 | ||
| Operating temperature[℃] | -20‐+60 | ||
| Max coil temperature[℃] | 80 | ||
| Weight[g] | 28 | ||
※1 measured at ( )mm point from flange
Electrical connections
| CMS16-2805 ／ CMS16-2812 ／ CMS16-2852 | ||
|---|---|---|
| #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 (-) | |
