| 摘要 |
FIELD: machine building. ^ SUBSTANCE: proposed invention is of relevance for multiple industries such as tool construction, metrology, optical engineering, medicine and electronic engineering and may be utilised for design of mounting supports (mostly - high speed rotary ones) for fine mechanical devices and work spindles of machine tools (mostly highly precisional ones) intended for industrial-scale implementation of cutting edge micro- and nanotechnologies. The proposed method of magnetic discharge of centrifugal forces generated in rotary mounting supports to be utilised with roller bodies is as follows. A magnetic system is formed based on the standard structural elements of the support proper and the magnetic insertion functioning as the magnetic field source. The magnetic insertion becomes kinematically joined to one of the support basic elements functioning as the bearing race and positioned within the roller bodies area on the support rotation axis side. On the whole for the purposes of a magnetic system formation of the standard support elements only roller bodies are utilised. The magnetic insertion is structurally and functionally designed so that the effective part of the magnetic flow generated by it and providing for gravitation of the roller bodies in the rotation axis direction exceeds the magnetic flow part falling to the share of the stray fluxes unemployed for the above gravitation purposes. There have been design solution variants developed envisaging rotary mounting supports being arranged based on radial-, thrust and radial-thrust bearings. ^ EFFECT: reduction of friction while in the rated operation mode due to augmentation of the roller bodies magnetic gravitation forces counteracting the centrifugal forces not only when the weight and dimension parameters of the magnetic insertion magnetic elements are basically identical to those of the prototype (same as material of the permanent magnet functioning as the magnetic field source) but also in case of considerable increase of the above weight and dimension parameters. ^ 94 cl, 55 dwg, 2 tbl |
