Planetary reduction gearbox
for shipsfor boatsengine

planetary reduction gearbox
planetary reduction gearbox
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Application domain
for ships, for boats
Other characteristics

550 kW
(747.8 hp)


Complete range of multi-purpose planetary gears. Input can be via electric motor, hydraulic motor, air motor or bare input shaft, be it either a splined or parallel keyed input shaft. jbj Techniques can accommodate gearbox inputs to suit your own bespoke requirements, even for a one off! Designed for rugged use and dependability. The gear case is made of nodular iron, whilst the planet carriers, are made out of steel or high-tensile nodular iron. All gearing is heat treated with full addendum modification, as well as lead and profile modification in order to obtain the best performance, efficiency, and low-vibration. The close tolerances in all of the gears and floating planet carriers allow the load to be evenly shared by all the components. Spline profiles on the gears allow them to handle even larger loads. The all-roller bearing design for the planet gears allows for greater efficiency and superior start-up torque. The gearboxes also use performance shafts made from high tensile steel to further increase the load that the gear box can handle. All this coupled with over-sized diameters (compared to industry standard) on the shafts, create a gearbox that can handle almost any application. Features of the range: » 32 sizes. » Output torque up to 1.000,000 Nm. » Transmissible power up to and above 550 kW. » Ratios going from 3 to over 3000:1 » High efficiency, up to 98.5% per stage. » Modular structure. » Full planetary in-line and combined Gleason-planetary right-angle units available. » 1 to 4 reduction stages, on request 5 stages. » Optional spring applied-hydraulically released multi-disc brake.


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