The stiffness of the polar axis' hydrostatic oil pads system in three directions was represented by the stiffness value of a single oil pad in two types of cylindrical and spherical journal.
用单油垫的油膜刚度值来表示柱面和球面轴颈两种极轴静压支承系统三个方向的刚度。
2
Blade according to claim 20, characterised in that each shrunk-on ring (65, 68) has a cylindrical peripheral journal (66, 69) constituted by a ceramic lining of great hardness.