NEMA 17 Gearbox Stepper Motor High Torque 2.5Kg Cm 0.24nm 1.8 Degree 12V
42BYGH208-58AG117 NEMA 17 electric motor reduction gearbox 1.8 degree 12V stepper motor
42BYGH208-58AG117 is a 42BYGH208 stepper motor installed with a 36mm gearbox. The reduction ratio is 1:117, in which the rated tolerance torque is 2.5Nm, and max momentary tolerance torque is 7.5NM. The output shaft can endure radial load(10mm from flange) at 120N and shaft axial load at 80N.
| Model | Size | Weight(g) | Current/phase | Gearbox diameter | Dielectric Strength | Ambient Temperature: | Step Angle | Holding torque with gearbox (Nm) | Radial load(10mm from flange) | Shaft axial load |
| 42BYGH208-57AG16 | 42*42*66.1 mm | 373 | 0.4 | 36mm | 500V AC 1minute | -20℃-50℃ | 1.8 | 2.88 | ≤120N (10mm from front flange) | ≤80N |
| 42BYGH208-59AG54 | 42*42*93.8 mm | 467 | 0.4 | 42mm | 500V AC 1minute | -20℃-50℃ | 1.8 | 8.78 | ≤120N (10mm from front flange) | ≤80N |
| 42BYGH208-58AG117 | 42*42*75.6 mm | 413 | 0.4 | 36mm | 500V AC 1minute | -20℃-50℃ | 1.8 | 19.01 | ≤120N (10mm from front flange) | ≤80N |
Electrical Specification
| STEP ANGLE | °/STEP | 1.8 |
| RATED VOLTAGE | V | 12 |
| CURRENT | A/PHASE | 0.4 |
| RESISTANCE | Ω/PHASE | 30 |
| INDUCTANCE | mH/PHASE | 42 |
| HOLDING TORQUE | Kg.cm | 2.5 |
| INSULATION CLASS | B | |
*Products can be customized by special request.
GEARBOX Electrical Specification
Out diameter 36mm Powder metallurgy
| Housing material | Bearing at output | Radial load(10mm from flange)N | Shaft axial load(N) | Shaft press-fit force max(N) | Radial play of shaft(mm) | Thrust play of shaft(mm) | Backlash at no-load (°) |
| Powder metallurgy | sleeve bearing | ≤120 | ≤80 | ≤500 | ≤0.03 | ≤0.1 | ≤1.5 |
| Reduction ratio | Rated tolerance torque (Nm) | Max momentary tolerance torque (Nm) | Efficiency% | Length (mm) | Weight(g) | Number of gear trains |
| 1/4 | 0.3 | 1.0 | 81% | 24.8 | 145 | 1 |
| 1/5 | ||||||
| 1/16 |
1.2
|
3.5
|
72% | 32.4 | 173 | 2 |
| 1/20 | ||||||
| 1/25 | ||||||
| 1/53 |
2.5 |
7.5 | 65% | 41.9 | 213 | 3 |
| 1/62 | ||||||
| 1/76 | ||||||
| 1/94 | ||||||
| 1/117 |
Mechanical Dimension
Wide Speed Ratio with a Long Service Lifespan
For the same amount of load capacity, a planetary gearbox has a higher service lifespan than the traditional gearboxes. Therefore, these gearboxes are easy to handle and install. These are key aspects that can improve efficiency and reliability in any mechanical system.
Again, the arrangement of gears is such that the entire system remains stable and reliable.
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