Influence of rotational speed of a heavy-duty hydrostatic turret on bearing performance under tilt

被引：4
|
作者：
Liu, Zhifeng [1 ]
Guo, Junyuan [1 ]
Wang, Yumo [1 ]
Dong Xiangmin [2 ]
Yue Wu [1 ]
Yan, Zhijie [1 ]
Gong Jinlong [1 ]
机构：
[1] Beijing Univ Technol, Beijing, Peoples R China
[2] Chengde Petr Coll, Chengde, Peoples R China
来源：
INDUSTRIAL LUBRICATION AND TRIBOLOGY | 2020年 / 72卷 / 05期
基金：
美国国家科学基金会;
关键词：
Reynolds equation; Hydrostatic turntable; Rotational speed; Tilt; THRUST-BEARINGS; IMPACT; PAD;
D O I：
10.1108/ILT-12-2018-0466
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Purpose This paper aims to propose a method for finding the maximum rotational speed of an inclined turntable at which the stability of the bearing oil film is maintained. Design/methodology/approach The finite difference method was used to solve the Reynolds equation. Variation of bearing capacity of a tilted hydrostatic turret over time was determined. The combined effect of tilt and rotational speed of the turret on the oil film stability was also analyzed. Findings When the turntable is operated at low speeds with only small angle of tilt, stability of the oil film is maintained. At lower rotational speeds, a smaller angle of tilt improves the bearing capacity and ensures stability of the oil film. Whereas, higher rotational speeds can have a considerable influence on the bearing capacity. Originality/value The results demonstrate that the inclination or tilt of the turntable significantly affects the stability of the oil film.
引用
收藏
页码：575 / 579
页数：5
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