28mm Metal Planetary Gearbox
Model: ZWBMD028028
· High strength metal gears for heavy loads
· Efficient planetary transmission structure
· Reliable performance under continuous load
- Diameter
- 28mm
- Voltage Range
- 3-24V
- Reduction Ratio
- 4-1296
- Max. Transmittable Power
- 4.5W
- Max. Continuous Torque
- 4Nm
- Rated Speed Range
- 5-1658rpm
- Operating Temperature
- -30…+100℃
Application：Industrial automation, special equipment, smart medical products, etc
Gearbox Specifications:
| Bearing | Oil-impregnated bearing | Rolling bearing |
|---|---|---|
| Axial Endplay | ≤0.1mm | ≤0.1mm |
| Radial Loading on Output Shaft | ≤120N | ≤170N |
| Operating Temperature | -30℃ ~ +100℃ | |
Parameters：
| Gearbox Stages | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Reduction Ratio | 4 / 6 | 16/24/36 | 64/96/144/216 | 256/384/576/864/1296 |
| Max Rated Torque (gf.cm max) | 40,000 | 40,000 | 40,000 | 40,000 |
| Max Instant Torque (gf.cm max) | 120,000 | 60,000 | 60,000 | 60,000 |
| Gearbox Efficiency (%) | 87 | 64 | 51 | 41 |
| Length (mm) | 21.3 | 29.8 | 38.3 | 46.8 |
| Gear backlash | ≤2° Customizable |
Drawing:
Motor Specifications:
| Motors (Optional) | Brushed DC Motor, Brushless DC Motor, Stepper Motor |
|---|---|
| Voltage (Optional) | 3-24V |
| Input Speed | ≤15,000rpm |
| Current | 400mA max |
Performance Data:
Reference Data (Motor Nominal Value: 24V & 7700 rpm)The following data are tested based on the motor nominal value and are for reference only.
| Model | Rated Speed (rpm) |
Max Speed (rpm) |
Max Rated Torque (gf.cm) |
Max Instant Torque (gf.cm) |
Gear Ratio | Length(L) (mm) |
Overall Length(L1) (mm) |
|---|---|---|---|---|---|---|---|
| ZWBMD028028-4 | 1658 | 1925 | 40000 | 120000 | 4 | 21.3 | 58.8 |
| ZWBMD028028-6 | 1105 | 1283 | 40000 | 120000 | 6 | ||
| ZWBMD028028-16 | 413 | 472 | 40000 | 120000 | 16 | 29.8 | 67.3 |
| ZWBMD028028-24 | 276 | 312 | 40000 | 120000 | 24 | ||
| ZWBMD028028-36 | 181 | 211 | 40000 | 120000 | 36 | ||
| ZWBMD028028-64 | 104 | 119 | 40000 | 120000 | 64 | 38.3 | 75.8 |
| ZWBMD028028-96 | 69 | 79 | 40000 | 120000 | 96 | ||
| ZWBMD028028-144 | 46 | 54 | 40000 | 120000 | 144 | ||
| ZWBMD028028-216 | 31 | 35 | 40000 | 120000 | 216 | ||
| ZWBMD028028-256 | 26 | 30 | 40000 | 120000 | 256 | 46.8 | 84.3 |
| ZWBMD028028-384 | 17 | 19 | 40000 | 120000 | 384 | ||
| ZWBMD028028-576 | 12 | 13 | 40000 | 120000 | 576 | ||
| ZWBMD028028-864 | 8 | 9 | 40000 | 120000 | 864 | ||
| ZWBMD028028-1296 | 5 | 6 | 40000 | 120000 | 1296 |
* The above specifications are subject to change without prior notice. They are for reference only and can be customized as required.
