This geared NEMA 17 stepper motor is integrated with one KG series planetary gearbox, which is more reliable, more precise and has shorter length than HG series planetary gearbox. A length of 15mm rear shaft is available.
Motor Specification
Part Number: 42HS40-1684D-KG35
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 0.45Nm(63.7oz.in)
Rated Current/phase: 1.68A
Phase Resistance: 1.8ohms
Inductance: 4.5mH
Frame Size: 42x42mm
Motor Length: 40mm
Rear Shaft Diameter:Φ5mm
Rear Shaft Length: 15mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Specification
Gearbox Type: Planetary
Gear Ratio: 35:1
Efficiency: 94%
Backlash at No-load: 20arcmin
Gearbo Length: 51mm
Shaft Diameter: Φ8mm
Shaft Length: 21.5mm
Keyway Length: 14mm
Motor Connection
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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 |
| Rear Shaft Diameter(mm) | 5 |
| Rear Shaft Length(mm) | 15 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 35:1 |
| Efficiency | 94% |
| Backlash at No-load | 20arcmin |
| Gearbox Length(mm) | 51 |
| Shaft Diameter(mm) | 8 |
| Shaft Length(mm) | 21.5 |
