22mm Diameter Planetary Gearbox
22PA-20BYG
Features:
- NEMA 8 Stepping motor
- Gear Ratios from 4:1 up to 107:1
- Rated Output Torque up to 0.9 Nm(125 oz-in)
Gear Box Data
| Reduction Ratio | X:1 | 4 | 4.75 | 16 | 19 | 22.56 | 64 | 76 | 90.25 | 107.2 |
| Number of gear trains | # | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |
| Max Permissible Torque | kg.cm | 5 | 5 | 7 | 7 | 7 | 9 | 9 | 9 | 9 |
| Moment Permissible Torque | kg.cm | 10 | 10 | 15 | 15 | 15 | 20 | 20 | 20 | 20 |
| Gear Box Length | mm | 20.5 | 20.5 | 25.7 | 25.7 | 25.7 | 30.95 | 30.95 | 30.95 | 30.95 |
Motor Specifications
| Model | Step Angle | Length (Ld) | Phase Voltage | Phase Current | Phase Resistance | Phase Inductance | Holding Torque | Lead Wire |
| ° | mm | V | A | Ω | mH | g.cm | # | |
| 20BYG28-020-4A/B | 1.8 | 28 | 4.8 | 0.2 | 24 | 8 | 160 | 4 |
| 20BYG30-050-6A/B | 1.8 | 30 | 5.75 | 0.5 | 11.5 | 1.7 | 180 | 6 |
| 20BYG33-060-4A/B | 1.8 | 33 | 3.9 | 0.6 | 6.5 | 2.2 | 200 | 4 |
| 20BYG38-060-4A/B | 1.8 | 38 | 6 | 0.6 | 10 | 5.5 | 400 | 4 |
Replace □ with A = single shaft; replace □ with B = double shaft