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Dynamic Parameter Analysis of Spindle Bearing Using 3-Dimension Quasi-Dynamic Model

机译：基于三维拟动态模型的主轴轴承动态参数分析

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摘要

Spindle bearing with high rotational speed is the kernel of many rotating machines which plays massive important role in the performance of the whole machine. There are also some deficiencies of the present quasi-dynamic mathematical models of the rolling bearing in analyzing the bearing dynamic parameters. This paper develops the 3D quasi-dynamic model with ball's 6-DOF, cage's 6-DOF, and driving ring's 5-DOF under steady working stage, based on the analysis of the relative position of each component to determine the normal forces between each component and the analysis of the relative velocity of the contacting point to determine the tangential force between each component. This model can analyze the dynamic parameters, such as the spin-to-roll ratio of inner and outer rings, the angular velocity of rolling elements in y-axis of the location coordinate, the normal contact force of cage pocket and ball, the cage angular velocity and ball revolution velocity, and the gyroscopic moment under different working condition. Compared with the numerical calculation results of ADORE program, the results of the proposed model are able to accurately describe the change laws of the spindle bearing parameters.
机译：高转速的主轴轴承是许多旋转机械的核心，对整个机械的性能起着至关重要的作用。当前的滚动轴承准动力学数学模型在分析轴承动力学参数方面也存在一些不足。本文在分析各零件的相对位置并确定各零件之间的法向力的基础上，建立了稳定工作状态下具有球的6-DOF，保持架的6-DOF和驱动环的5-DOF的3D准动力学模型。并通过分析接触点的相对速度来确定每个组件之间的切向力。该模型可以分析动力学参数，例如内圈和外圈的旋转比，位置坐标的y轴上滚动元件的角速度，保持架袋和球的法向接触力，保持架角速度和球旋转速度，以及在不同工作条件下的陀螺力矩。与ADORE程序的数值计算结果相比，该模型的结果能够准确地描述主轴轴承参数的变化规律。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第2期|7050151.1-7050151.15|共15页
  • 作者

    Yu Jie; Li Songsheng; Chen Xiaoyang; He Lei; Yuan Wei;

  • 作者单位

    Shanghai Univ Shanghai Key Lab Mech Automat & Robot Shanghai 200072 Peoples R China|Shandong Univ Technol Sch Mech Engn Zibo 255049 Peoples R China;

    Shanghai Univ Shanghai Key Lab Mech Automat & Robot Shanghai 200072 Peoples R China;

    Shandong Univ Technol Sch Mech Engn Zibo 255049 Peoples R China;

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