The goal of the shaft alignment calculation is to determine the location of shaft line bearings at the time of alignment, or to optimize the bearing load of shaft lines. Both of which provide safe operation of the vessels propulsion train under all specified operating conditions. The location of the shaft line bearing axis is defined by vertical and horizontal offsets of the bearing bush centre point, and by the angles between the base reference line and the bearing bush axis. Shaft line deflections are calculated automatically when the application is running.
The application model is automatically constructed from the base model. Any changes in the base model will update the shaft lines deflections immediately. Shaft alignment techniques supported by ShaftDesigner are direct calculation, offset exploration, geometric alignment, catenary alignment and strain gauge alignment. Thanks to the reverse-engineering capabilities of the software it is also possible to calculate alignments based on measured bending loads, bearing stress, jack loads, sag & gap and shaft deflections.
The application model can be further developed to meet specific application requirements. The user can add additional objects such as concentrated forces, temporary supports and jacks in order to verify theoretical alignments in practice. Placing additional supports and forces starts an immediate automatic shaft line deflection recalculation.
For more information see: http://www.shaftdesigner.com
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