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You are here: Home / Industry News / Optimized sleeve bearings in BHS AeroMaXX

Optimized sleeve bearings in BHS AeroMaXX

October 11, 2016 By Mike Santora

voith-sleeve-bearing-application-imageThe BHS AeroMaXX technology from Voith is a clever but simple and, most importantly, reliable solution that considerably increases the efficiency on the one hand and reduces oil consumption on the other hand. It was possible to reduce both the power loss and the previous lubrication and cooling oil volume by 30%. In each case, two components are equally important with respect to this considerable energy gain:

Optimized sleeve bearings on the pinion shaft:

In addition to the inner housing, BHS AeroMaXX technology comprises the Voith optimized BHS EcoMax bearing for the high-speed shaft. The basis of the BHS EcoMax sleeve bearing is formed by the specially-contoured offset sleeve bearings. Their running geometry and physical properties have been modified to obtain improved sliding behavior with reduced oil volume.

An inner housing encapsulated from the gear set:

The BHS AeroMaXX technology is distinguished by its modular inner housing that fits optimally into the gear unit housing. The steel-welded inner housing fits closely to the gear set and effects a separation between the absolutely-required lubrication oil volume and dissipation of the generated thermal energy. The low volume of lubrication oil reduces the windage losses due to the swirled oil-air mixture and as a result of oil squeezing in the gear mesh. The cooling oil volume that is applied to the external surface of the BHS AeroMaXX inner housing dissipates the heat transferred to the bottom of the gear unit in a controlled manner.

The savings potential is considerable, starting at a pitch line velocity of approximately 120 m/s and grows exponentially with increasing speed. Furthermore, it is possible to implement both components separately from one another.

Voith
www.voith.com

Filed Under: Industry News Tagged With: voith

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