Modelling and Design of a 2D Whiffletree Based Large Deforming Hydrostatic Bearing
Vincent van Parijs (TU Delft - Mechanical Engineering)
J.P.A. Nijssen – Coach (TU Delft - Mechanical Engineering)
R.A.J. van Ostayen – Mentor (TU Delft - Mechanical Engineering)
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Abstract
Hydrostatic bearings are superior in terms of performance to contact based bearings, but non-usable in applications with non-constant curvature counter surfaces. A solution to this would be the introduction of deformable hydrostatic bearings components to cope with these required deformations. To reduce the required deformation of a bearing pad, multiple pads are connected through a so-called whiffletree support system. In this work, the design approach for such a whiffletree based hydrostatic bearing system is introduced. The approach includes determining the load capacity of all individual slippers. Design considerations are given regarding the joint rotational-, normal- and shear stiffness of each individual joint.