Nema 17 Stepper Motor Bipolar L=48mm w/ Gear Ratio 27:1 Planetary Gearbox
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This Nema 17 stepper motor with 48mm body and 1.68A rated current, integrated a planetary gearbox of 26.85:1 gear ratio. It's a good solution to applications that with limited space but need low speed and/or high torque.
Electrical Specification
- Manufacturer Part Number: 17HS19-1684S-PG27
- Motor Type: Bipolar Stepper
- Step Angle: 0.067 deg
- Holding Torque without Gearbox: 44Ncm(62.31oz.in)
- Rated Current/phase: 1.68A
- Phase Resistance: 1.65ohms
- Voltage: 2.8V
- Inductance: 2.8mH ± 20%(1KHz)
Gearbox Specifications
- Gearbox Type: Planetary
- Gear Ratio: 26.85: 1
- Efficiency: 81%
- Backlash at No-load: <=1 deg
- Max.Permissible Torque: 3Nm(425oz.in)
- Moment Permissible Torque: 5Nm(708oz.in)
- Shaft Maximum Axial Load: 50N
- Shaft Maximum Radial Load: 100N
Physical Specifications
- Frame Size: 42 x 42mm
- Motor Length: 48mm
- Gearbox Length: 35mm
- Shaft Diameter: Φ8mm
- Shaft Length: 20mm
- D-cut Length: 15mm
- Number of Leads: 4
- Lead Length: 500mm
- Weight: 570g
Connection
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A+
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A-
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B+
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B-
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Black
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Green
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Red
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Blue
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Resources
- Full Datasheet: 17HS19-1684S-PG27.pdf
- Torque Curve: 17HS19-1684S-PG27_Torque_Curve.pdf
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| Gearbox Specification | |
|---|---|
| Backlash at No-load(Max.°) | 1 |
| Efficiency | 81% |
| Gear Ratio | 26.85:1 |
| Gearbox Length(mm) | 35 |
| Gearbox Type | Planetary |
| Max. Permissible Torque(Ncm) | 300 |
| Max. Permissible Torque(oz.in) | 424.8 |
| Moment Permissible Torque(Ncm) | 708.1 |
| Shaft Maximum Axial Load(N) | 50 |
| Shaft Maximum Radial Load(N) | 100 |
| Motor Specification | |
| Inductance(mH) | 3.2 |
| Lead Length(mm) | 500 |
| Motor Nema Size | Nema 17 |
| No. of Lead | 4 |
| Phase Resistance(ohm) | 1.8 |
| Rated Current (A) | 1.68 |
| Shaft Diameter(mm) | 8 |
| Shaft Length(mm) | 20 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque w/o Gearbox(Ncm) | 52 |
| Holding Torque w/o Gearbox(oz.in) | 73.6 |
| Motor Length(mm) | 48 |
| Single Shaft/Dual Shaft | Single Shaft |
| Shaft Type | D-Cut |
| Physical Specification | |
| Weight(g) | 600 |
creadent3 – 21 Sep 2018
Great reliable serious reliable seller !!!
chris bordeleau – 27 Jul 2016
this motor worked great... plenty of torque and average noise for these motors... I'd buy another if I needed one
Alex – 05 Dec 2015
Seems solid, disassembled to inspect, planet gears are nylon, I hope it lasts long.
As expected, stepper is gear drive.
Includes data sheet, VERY useful.
Works great though, real ratio is 26 103/121 : 1
Using for single Z lift on small 3d printer for super high precision.
- Tag:
- Nema ,
- Gear Ratio ,
- Gearbox ,
- 48mm ,
- Nema 17 Gearbox ,
- Nema 17 Planetary Gearbox ,
- Nema 8 Gearbox
