Precious metal commutation, Sleeve bearing Brushed Motor.
Specifications
| CMS07-1707 | CMS07-1714 | CMS07-1726 | |
|---|---|---|---|
| Rated voltage[V] | 3.7 | 3 | 7.4 |
| No load speed[rpm] | 20,200 | 11,400 | 22,100 |
| No load current[mA] | 19 | 14 | 10 |
| Stall torque[mNm] | 0.94 | 0.47 | 0.84 |
| Stall current[mA] | 571 | 214 | 283 |
| Output power[W] | 0.5 | 0.1 | 0.5 |
| Max efficiency[%] | 67 | 56 | 65 |
| Terminal resistance[Ω] | 6.48 | 14.00 | 26.12 |
| Rated torque[mNm] | 0.14 | 0.10 | 0.14 |
| Rated speed[rpm] | 17,100 | 9,100 | 18,600 |
| Rated current[mA] | 104 | 54 | 54 |
| Friction torque[mNm] | 0.03 | 0.03 | 0.03 |
| Back-EMF constant[mV/rpm] | 0.177 | 0.248 | 0.322 |
| Torque constant[mNm/A] | 1.69 | 2.36 | 3.07 |
| Slope of N-T curve[rpm/mNm] | 21,543 | 23,922 | 26,410 |
| Mechanical time constant[ms] | 6.79 | 7.11 | 7.48 |
| Rotor inertia[gcm2] | 0.03 | 0.03 | 0.03 |
| Max allowable torque[mNm] | 0.31 | 0.16 | 0.28 |
| Inductance[mH] @1kHz | TBD | TBD | 0.063 |
| Thermal resistance Rth1（coil-housing）[K/W] | 30 | 30 | 30 |
| Thermal resistance Rth2（housing-ambient）[K/W] | 89 | 89 | 89 |
| Shaft radial play[mm] | 0.05 | ||
| Shaft axial play[mm] | 0.03‐0.2 | ||
| Max shaft radial load[N] | 0.3(5mm ※1) | ||
| Max shaft axial load[N] | 0.1 | ||
| Max shaft axial load at standstill[N] | 4.9 | ||
| Operating temperature[℃] | -20‐+60 | ||
| Max coil temperature[℃] | 80 | ||
| Weight[g] | 3.5 | ||
※1 measured at ( )mm point from flange
Electrical connections
| CMS07-1707 ／ CMS07-1714 ／ CMS07-1726 | ||
|---|---|---|
| #1 | Encoder Vcc | |
| #2 | Encoder Ch.B | |
| #3 | Encoder Ch.A | |
| #4 | Encoder Ch.Z | |
| #5 | Encoder GND | |
| #6 or Red Lead Wire | Motor Vin (+) | |
| #7 or Black Lead Wire | Motor GND (-) | |
| #8 | - | |
