Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load

Hydrostatic journal bearings possess superior motion accuracy owing to their error averaging effect and often work under different speeds and external loads in precision applications. This paper researches the error averaging effect of hydrostatic journal bearings considering the influences of shaft...

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Main Authors: Yongtao Zhang, Changhou Lu, Haixia Zhao, Weijie Shi, Peng Liang
Format: Article
Language:English
Published: IEEE 2019-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8781818/
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author Yongtao Zhang
Changhou Lu
Haixia Zhao
Weijie Shi
Peng Liang
author_facet Yongtao Zhang
Changhou Lu
Haixia Zhao
Weijie Shi
Peng Liang
author_sort Yongtao Zhang
collection DOAJ
description Hydrostatic journal bearings possess superior motion accuracy owing to their error averaging effect and often work under different speeds and external loads in precision applications. This paper researches the error averaging effect of hydrostatic journal bearings considering the influences of shaft rotating speeds and external loads. A new mathematical model is established based on a time division method where the rotational movement of the shaft is divided into many time intervals. The averaging coefficients of hydrostatic journal bearings are analyzed in detail. The results show that the averaging coefficients are affected by the combined effects of rotational speeds, and external loads and wave number of roundness errors. Finally, some useful guidelines are given for the accuracy design of hydrostatic journal bearings.
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spelling doaj.art-8973f955cdd740d08a6a1bea49dedb372022-12-21T22:51:54ZengIEEEIEEE Access2169-35362019-01-01710634610635810.1109/ACCESS.2019.29319488781818Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External LoadYongtao Zhang0https://orcid.org/0000-0001-7056-1725Changhou Lu1Haixia Zhao2Weijie Shi3https://orcid.org/0000-0001-7545-4056Peng Liang4College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao, ChinaSchool of Mechanical Engineering, Shandong University, Jinan, ChinaCollege of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao, ChinaCollege of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao, ChinaSchool of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, ChinaHydrostatic journal bearings possess superior motion accuracy owing to their error averaging effect and often work under different speeds and external loads in precision applications. This paper researches the error averaging effect of hydrostatic journal bearings considering the influences of shaft rotating speeds and external loads. A new mathematical model is established based on a time division method where the rotational movement of the shaft is divided into many time intervals. The averaging coefficients of hydrostatic journal bearings are analyzed in detail. The results show that the averaging coefficients are affected by the combined effects of rotational speeds, and external loads and wave number of roundness errors. Finally, some useful guidelines are given for the accuracy design of hydrostatic journal bearings.https://ieeexplore.ieee.org/document/8781818/Averaging effecthydrostatic journal bearingmotion errortransient orbit
spellingShingle Yongtao Zhang
Changhou Lu
Haixia Zhao
Weijie Shi
Peng Liang
Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load
IEEE Access
Averaging effect
hydrostatic journal bearing
motion error
transient orbit
title Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load
title_full Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load
title_fullStr Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load
title_full_unstemmed Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load
title_short Error Averaging Effect of Hydrostatic Journal Bearings Considering the Influences of Shaft Rotating Speed and External Load
title_sort error averaging effect of hydrostatic journal bearings considering the influences of shaft rotating speed and external load
topic Averaging effect
hydrostatic journal bearing
motion error
transient orbit
url https://ieeexplore.ieee.org/document/8781818/
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