期刊
TRIBOLOGY INTERNATIONAL
卷 175, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2022.107851
关键词
Wear prediction model; Sliding distance; Accumulative wear depth; Planetary roller screw
资金
- National Natural Science Foundation of China [52171315]
- China State Shipbuilding Corpora- tion Limited -Shanghai Jiaotong University Marine Equipment Prospec- tive Innovation Joint Fund [2022 - 3-B1]
This study proposes a wear prediction model for planetary roller screw based on the universal sliding distance model, and analyzes the effects of various factors on wear depth.
This study proposes a wear prediction model for planetary roller screw based on universal sliding distance model. The sliding distance model is derived by coordinate transformation. Considering meshing and motion charac-teristics, the wear depth distribution in contact region, and accumulated wear depth of screw and roller are predicted. It is found that the maximum wear depth and sliding distance appear below the center of contact region, and the axial motion distance of roller has a considerable effect on accumulated wear depth distribution of screw. Furthermore, the effects of roller numbers, thread pitch, number of roller thread and axial load on wear depth of screw and roller are analyzed.
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