アンギュラ玉軸受支持スピンドル系のミスアライメント特性

概要

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This paper introduces the generalized theoretical expressions for load distribution and static stiffness of multiple row angular contact ball bearing-spindle system with front bearings including an angle misalignment in inner ring. The theoretical and experimental results are further examined for a small type surface grinding machine spindle under various misalignment conditions. The results are summarized as follows. (1) Good agreement is shown between the experimental and theoretical results for various bearing combinations. (2) It is confirmed that the misalignment absorptivity of DF (Face to Face) combination is the highest than those of DB (Back to Back) and others. The DF combination makes the maximum ball load in front bearings to minimum conditions, and the axial stiffness of the system to maximum. (3) For the radial stiffness of the system, the best bearing combination is BFF, three type bearings (DB+Face), and next one is DB.
公益社団法人精密工学会の論文
2000-06-05