Effective Coreless Servo Motor Spec Sheet
Coreless Servo Motor Typical Applications: Steering Gear, Intelligent Robot
| Motor model |
NFP-EM3570RCG-A |
NFP-EM3570RCG-B |
| Nominal voltage |
12V DC |
24V DC |
| No-load speed |
7,000rpm |
7,000rpm |
| No-load current |
260 A |
220A |
| Nominal speed |
6,650rpm |
6,650rpm |
| Nominal torque |
61.3mNm |
60mNm |
| Nominal current |
4A |
2A |
| Stall torque |
1,226mNm |
1,202mNm |
| Stall current |
75A |
36.92A |
| Terminal resistance |
0.16Ω |
0.65Ω |
| Torque constant |
16.04mNm/A |
32.09mNm/A |
| Speed constant |
583rpm/V |
292rpm/V |
Coreless Servo Motor Terminal Connection Data Sheet
| Terminal definition A |
|
| Connection A: EN60603-13/DIN-41651 Pitch 2.54mm10pin |
|
| Flat band cable:10pin UL2651 26AWG |
|
| Sequence: |
|
| 1: NC |
6: Channel A or I²C SDA |
| 2: VCC DC 3.3V~5V |
7: Channel B- or V |
| 3: GND |
8: Channel B or I²C SCL |
| 4: MODE(VCC ABZ, GND I²C) |
9: Channel Z- or W |
| 5: Channel A- or U |
10: Channel Z |
Coreless Servo Motor Stage Data Sheet
| Stage |
NFP-EM3570RCG-A |
NFP-EM3570RCG-B |
NFP-EM3570RCG-C |
NFP-EM3570RCGD |
NFP-EM3570RCG-E |
| Reduction ration |
3.57 |
14.06; 17.5 |
52.73; 65.63 |
197.75; 246.09 |
1148.44; 1429.17 |
| |
4.67 |
21.78; 30.33 |
81.67; 101.63 |
306.25; 381.11 |
1778.52; 2213.27 |
| |
6.5 |
|
141.56; 169 |
338.56; 660.59 |
3082.77; 4293.85 |
| |
|
|
|
920.11 |
5980.72 |
| Rate torque |
4Nm |
8Nm |
16Nm |
16Nm |
20Nm |
| Stall torque |
5Nm |
12Nm |
25Nm |
25Nm |
30Nm |
| Max efficiency |
90% |
81% |
73% |
65% |
59% |
| Length |
36mm |
43.3mm |
50.6mm |
57.9mm |
65.2mm |
| No-load backlash |
0.8° |
1° |
1° |
1.2° |
1.2° |
Coreless Servo Motor Encoder Data Sheet
| Encoder |
| Basic parameters: |
| Supply voltage: DC 3.3~5V |
| Typical current :15mA |
| Max.Mech.Speed(min-1) 50,000rpm |
| Intergral Non-Linearity: ±0.5~1° |
| Differential (ABZ) Non-Linearity: ±0.02° |
| Number of pulses per revolution: 1~1024PPR |
| Single -turn absolute coding: 14-bit(I²C) |
| Power-Up-Time: 1~3ms |
| Propagation Delay: 1~5us |
| Rsing Time: 1us |
| Falling Time: 1us |
| Storage Temperature: -55~150°C |
| Operating Temperature: -40~125°C |
High Torque Coreless Servo Motor Mechanical Diagram
Durable 70mm Coreless Servo Motor Performance Curve
