| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to machine building, particularly, to spindles of high-speed machine tools. Proposed spindle runs in magnetic bearings fitted on shaft and is composed of a unit made up of two passive magnetic bearings with inner and outer races shifted relative to each other, and hybrid magnetic thrust bearing consisting of tapered permanent magnet and electromagnet. Note here that aforesaid shaft is solid.EFFECT: higher reliability.2 dwg |
