This closed-loop size 42mm NEMA 17 stepper motor is ingrated with a high precision planetary gearbox of gear ratio 50:1 & backlash 20arcmin and a ultra thin magnetic encoder. Actually it is an ideal choice for robotics project. If you need higher planetary gearbox or more accurate encoder, please feel free to contact us.
Motor Specification
Part Number: 17HS15-1684D-EG50-AR4
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 0.45Nm(63.7oz.in)
Rated Current/phase: 1.68A
Frame Size: 42x42mm
Motor Length: 40mm
Number of Leads: 4
Lead Length: 1200mm
Gearbox Specification
Gearbox Type: Planetary
Gear Ratio: 50:1
Efficiency: 94%
Backlash at No-load: 20arcmin
Gearbo Length: 51mm
Shaft Diameter: Φ8mm
Shaft Length: 21.5mm
Keyway Length: 14mm
Encoder Specification
Encoder Resolution: 1000CPR
Encoder Signal Channels: 2
Encoder Length: 5mm
No. of Leads: 8
Lead Length: 1000mm
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 0.45 |
| Holding Torque(oz.in) | 63.7 |
| Rated Current(A) | 1.68 |
| Frame Size(mm) | 42x42 |
| Body Length(mm) | 40 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 50:1 |
| Efficiency | 94% |
| Backlash at No-load | 20arcmin |
| Gearbox Length(mm) | 51 |
| Shaft Diameter(mm) | 8 |
| Shaft Length(mm) | 21.5 |
| Encoder Specification | |
| Encoder Resolution(CPR) | 1000 |
| Encoder Signal Channels | 3 |
| Encoder Type | Magnetic Incremental |
| Encoder Length(mm) | 5 |
