| 摘要 |
Gas bearing arrangement for a rapidly rotating shaft with a tool installed at one end including a stationary housing, at least first, second and third bearings arranged in the housing for radially supporting the shaft, the second bearing being arranged between the first and third bearings and each bearing defining a bearing bore, and an adjusting mechanism for adjusting at least one bearing so that the bearing bore thereof may be operatively eccentrically offset relative to the bearing bores of the other bearings. In one embodiment, the bearing bores of the first and third bearings are concentric to each other and the adjusting mechanism is operative on the second, middle bearing. In a method for stabilizing a dynamic gas bearing for a rapidly rotating shaft with a tool installed at one end, the shaft is radially supported in a stationary housing by the bearings and at least one bearings is adjusted so that the bearing bore thereof may be eccentrically offset relative to the bearing bores of the other bearings.
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