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doi:10.16579/j.issn.1001.9669.2021.01.006

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更新时间：2022-09-22

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- Journal of Mechanical Strength Issue 1, Pages: 44-49(2021)
- 作者机构：
  
  1. 河南工程学院机械工程学院
  2. 郑州机械研究所有限公司
- 作者简介：
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- DOI：10.16579/j.issn.1001.9669.2021.01.006
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[J]. Journal of Mechanical Strength (1):44-49(2021)
DOI：

[J]. Journal of Mechanical Strength (1):44-49(2021) DOI： 10.16579/j.issn.1001.9669.2021.01.006.

摘要

根据主轴变形几何模型求得主轴前端总位移关系式,依据前端最小位移确定主轴的最佳支承跨距,进而建立了考虑支承跨距的转子轴承系统非线性动力学模型。运用数值积分方法,给出最优跨距支承下转子系统的非线性动力学响应,采用轴心轨迹、相图及Poincaré图分析了转速对系统动力学响应的影响。结果表明:当转子轴承系统在最佳支承跨距下运行时,呈现出良好的系统稳定性。

Abstract

According to the geometric model of spindle deformation,the total displacement relation of the front end of the spindle is obtained,and the optimum bearing span of the spindle is determined according to the minimum displacement of the front end.By means of numerical integration,the nonlinear dynamic response of the rotor system with the optimal span support is given,and the influence of rotational speed on the system dynamic response is analyzed by using axial trajectory diagram,phase portraits and Poincaré map.The results show that the rotor bearing system has good stability when it is running under the optimum support span.

关键词

转子轴承系统最佳支承跨距非线性动力学

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DOI：10.16579/j.issn.1001.9669.2021.01.006

摘要

Abstract

关键词

Keywords

references