Bearing cage with outer diameter groove and design method thereof

Abstract

A bearing cage with outer diameter grooves and a design method thereof, relating to the field of bearing technology, including a cage ring beam (3), a pocket (2) and a groove group, on the outer edge surface of the cage ring beam (3) A plurality of pockets (2) are evenly spaced on the top, and the groove groups are evenly spaced between every two adjacent pockets (2), and are located on both sides of the outer edge surface of the cage ring beam (3). to the outer diameter; the present invention improves the processing technology of the cage, greatly improves the pass rate, and effectively increases economic benefits.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of bearings, in particular to a bearing cage with grooves on the outer diameter and a design method thereof. [0003] 【Background technique】 [0004] It is known that during the operation of the bearing with external guidance, due to the hydrodynamic pressure formed between the outer diameter of the cage and the inner diameter of the outer ring of the bearing, the outer diameter of the cage always deviates from the inner diameter of the outer ring of the bearing by a certain distance. When it is too large, a good hydrodynamic pressure effect cannot be formed, and whistle will be generated when the cage contacts the inner diameter of the outer ring; when the guide gap is too small, the cage is prone to whirl phenomenon, and the cage is more likely to contact the inner diameter of the outer ring, and the Howling; when the cage is in contact with the inner diameter of the outer ring, the bearing will no...

AI Technical Summary

Problems solved by technology

[0004] It is known that during the operation of the bearing with external guidance, due to the hydrodynamic pressure formed between the outer diameter of the cage and the inner diameter of the outer ring of the bearing, the outer diameter of the cage always deviates from the inner diameter of the outer ring of the bearing by a certain distance. When it is too large, a good hydrodynamic pressure effect cannot be formed, and whistle will be generated when the cage contacts the inner diameter of the outer ring; when the guide gap is too small, the cage is prone to whirl phenomenon, and the cage is more likely to contact the inner diameter of the outer ring, and the Howling; when the cage is in contact with the inner diameter of the outer ring, the bearing will not only whine, but also the friction torque of the bearing will be unstable, and the service life of the bearing will be greatly reduced. Therefore, a method that can improve the stability of the cage and use The guide gap of the cage has a larger design range, and at the same time, the bearing cage that can meet the requirements of the running accuracy and life of the bearing has become the basic appeal of those skilled in the art

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