Effective Coreless Servo Motor Spec Sheet
Coreless Servo Motor Typical Applications: Steering Gear, Intelligent Robot
| Motor model |
NFP-EM3270RBG-A |
NFP-EM3270RBG-B |
| Nominal voltage |
24V DC |
36V DC |
| No-load speed |
10,000rpm |
10,000rpm |
| No-load current |
0.25A |
0.15A |
| Nominal speed |
9,500rpm |
9,500rpm |
| Nominal torque |
30.2mNm |
20mNm |
| Nominal current |
1.56A |
1A |
| Stall torque |
60.4mNm |
58.4mNm |
| Stall current |
26.37A |
16.98A |
| Terminal resistance |
0.91Ω |
2.12Ω |
| Torque constant |
22.46mNm/A |
33.69mNm/A |
| Speed constant |
417rpm/V |
278rpm/V |
| Mechanical time constant |
18.73ms |
18.73ms |
| Rotor inertia |
2.71g.cm² |
6.31g.cm² |
Coreless Servo Motor Terminal Connection Data Sheet
| Terminal definition A |
|
| 8*#26PE lead + JST terminal |
|
| 1: MC |
5: HC |
| 2: MB |
6: HB |
| 3: MA |
7: HC |
| 4: GND |
8: VCC |
| Connection B: EN60603-13/DIN-41651 Pitch 2.54mm10pin |
|
| Flat band cable: |
|
| Sequence: |
|
| 1: MOTOR+ |
6: Channel A |
| 2: VCC DC5V |
7: Channel B- |
| 3: GND |
8: Channel B |
| 4: MOTOR- |
9: Channel Z- |
| 5: Channel A- |
10: Channel Z |
Coreless Servo Motor Stage Data Sheet
| Stage |
NFP-EM3270RBG-A |
NFP-EM3270RBG-B |
NFP-EM3270RBG-C |
NFP-EM3270RBG-D |
NFP-EM3270RBG-E |
| Reduction ration |
3.11 |
9.68; 14.93 |
30.11; 46.46 |
159.42; 178.23 |
693.79; 765.21 |
| |
4 |
19.2; 23.04 |
51.24; 62.01 |
223; 266.24 |
855.52; 988.89 |
| |
4.8 |
|
71.68; 80.14 |
297.66; 344.06 |
1428.77; 1846.41 |
| |
|
|
92.16; 110.59 |
412.16; 530.84 |
2548.04; 3174 |
| Rate torque |
1Nm |
1.5Nm |
2.5Nm |
3Nm |
5Nm |
| Stall torque |
2Nm |
3Nm |
5Nm |
6Nm |
7.5Nm |
| Max efficiency |
90% |
81% |
73% |
65% |
59% |
| Length |
31,6mm |
37.9mm |
44.2mm |
50.5mm |
56.8mm |
| No-load backlash |
1.5° |
1.5° |
2° |
2° |
2.5° |
Coreless Servo Motor Encoder Data Sheet
| Encoder |
| Basic parameters: |
| Supply voltage: DC 3.3~5V |
| Typical current :15mA |
| Max.Mech.Speed(min-1) 25,000rpm |
| Intergral Non-Linearity: ±0.5~1° |
| Differential (ABZ) Non-Linearity: ±0.01° |
| Number of pulses per revolution: 1~4096PPR |
| Single -turn absolute coding: 18-bit(SPI) |
| Power-Up-Time16ms |
| Propagation Delay: 1~3us |
| Rsing Time: 1us |
| Falling Time: 1us |
| Storage Temperature: -20~45°C |
| Operating Temperature: -20~80°C |
High Torque Coreless Servo Motor Mechanical Diagram
Durable 70mm Coreless Servo Motor Performance Curve
