Bipolar Stepper Motor with 5.18:1 Planetary Gearbox, 8mm Shaft
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Description
This high-torque bipolar stepper motor features an integrated 5.18:1 planetary gearbox and a standard 8mm D-type output shaft for precision motion control. Operating smoothly at 12 to 24V with a base 1.8 degree step angle, it delivers up to 2Nm of maximum permissible torque. It is an excellent choice for robotics enthusiasts, makers, and students building heavy-duty mechanical projects.
Geared mechanical performance
Equipped with an efficient 5.18 ratio planetary gearbox, this motor delivers 1.68Nm holding torque and up to 2Nm maximum permissible continuous torque. It maintains low backlash under no-load conditions of 1 degree or less with 90 percent efficiency.
Robust shaft and housing
Constructed from metal and ABS materials, the unit includes an 8mm diameter D-type output shaft. It is engineered to withstand a maximum radial load of 100N and an axial load of 50N.
Electrical characteristics
The bipolar motor is rated for 1.68A per phase with a 1.65 ohm phase resistance and 3.2mH inductance. It is recommended for use with 12V to 24V motor drivers.
Package contents
The package contains one bipolar stepper motor with planetary gearbox and its connecting cable.
Downloads
Specifications
| Device | Stepper Motor |
| Type | Bipolar |
| Step Angle | 1.8° |
| Holding Torque | 1.68Nm |
| Rated Current/phase | 1.68A |
| Phase Resistance | 1.65ohms |
| Recommended Voltage | 12-24V |
| Inductance | 3.2mH ± 20%(1KHz) |
| Gearbox Type | Planetary |
| Gear Ratio | 5.18 |
| Efficiency | 90% |
| Backlash at No-load | <=1° |
| Max.Permissible Torque | 2Nm(283oz-in) |
| Moment Permissible Torque | 4Nm(566oz-in) |
| Shaft Maximum Axial Load | 50N |
| Shaft Maximum Radial Load | 100N |
| Shaft Type | Standard 8mm Diameter D Type |
| Color | silver + black |
| Material | metal + ABS |
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