P.B Series
Drive Units for Slewing Tower Cranes
P.B series are compact planetary gearboxes with the capacity to reliably carry the high radial load and peak torques, which they are exposed due to the working principle. They are generally used in the blade-nacelle guidance of wind turbines and tower crane rotation. Pinion gears can be produced with output shaft as a single piece when desired.
Input Type
PVB Series
With AC Motor
PNB Series
With IEC B5/B14 motor flange
PTB Series
With solid input shaft
Output Type
P.B.01 Series
With solid output shaft
P.B.P1 Series
With integrated pinion shaft
Specifications and Advantages
- Wide torque and ratio range
- Reinforced bearings and flange for withstanding high radial and axial loads.
- Integrated pinion shaft made of 8620 material upon request.
- Oil expansion tank for humid environment.
Performances
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| Gearbox Size | Ratio Range [i] | Nominal Torque [Nm] | Output Shaft Diameter/Length [mm] |
|---|---|---|---|
| P.B15..L. | 4 - 2.858 | 3.100 | Ø80/170 |
| P.B16..L. | 4 - 2.858 | 5.000 | Ø80/170 |
| P.B19..L. | 4 - 2.957 | 8.500 | Ø100/210 |
| P.B23..L | 3 - 2.456 | 12.500 | Ø120/210 |
| P.B24..L | 3 - 2.456 | 20.000 | Ø120/210 |
