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Bonfiglioli has added the 323 and 325 models to its planetary 300 gearbox series, enabling a greater range of applications in the industrial, renewable and mobile markets.

The units, which offer nominal torque outputs of 800,000 and 1,100,000Nm respectively, are available with hollow splined or hollow shaft with shrink-disc outputs.

They can be driven by electric or hydraulic motors with standard fittings or with a male input shaft, and are available with various reduction ratios in single stage of 4.4:1, up to quadruple stages offering 1279:1.

By adding additional stages, virtually any high ratio is said to be possible.

The 300 planetary gear series is suitable for severe-duty applications where shock loadings and impacts are more the rule than the exception.

The torque being transmitted at any time is shared between multiple sets of teeth on the primary drive pinion, thus sharing the torque and resultant forces.

The planetary arrangement facilitates multiple reduction stages in a compact space.

These can be achieved because each reduction stage adds only a small increase in length.

The product configuration offers options concerning the mounting, the gear layout, the output shaft and the motor interface.

All the features are available for each of the 18 finely spaced casing sizes, spanning over the 1.000 to 1.100.000Nm torque range.


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