Nonlinear dynamic meshing force analysis of PEEK-based polymer composite involute spline coupling system

IF 1.9 4区工程技术 Q3 ENGINEERING, MECHANICAL

Proceedings of the Institution of Mechanical Engineers Part K-Journal of Multi-Body Dynamics Pub Date : 2024-04-18 DOI:10.1177/14644193241245542

Xiangzhen Xue, Wei Yu, Kuan Lin, Ning Zhang, Xindang He, Yiqiang Jiang

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引用次数: 0

Abstract

The dynamic meshing force affects the stability and wear life of PEEK polymer composite involute spline couplings, but most of the dynamic meshing force is obtained by empirical formula, and there is no effective calculation method in practice. Aiming at the viscoelasticity and nonlinear behavior of PEEK material, this work established a nonlinear dynamic model of the drive system of PEEK-based polymer composite involute spline pair by using the concentrated mass method, taking into account time-varying meshing stiffness, tooth side gap, and comprehensive transmission error, and obtained a dimensionless dynamic matrix that eliminates rigid body displacement. Aiming at the thermal stability of PEEK material, the dynamic meshing stiffness and dynamic meshing force of the involute spline of PEEK-based polymer composite were calculated by considering the thermal effect of misalignment and meshing deformation. The influence of misalignment on the dynamic characteristics of the system under dynamic and static loads was studied. The results show that the dynamic meshing stiffness and dynamic meshing force of involute spline coupling of PEEK-based polymer composite materials under misalignment represent complex nonlinear characteristics; Vibration, load, and viscoelastic deformation have an impact on transmission accuracy and efficiency; And the optimal selection range for friction coefficient, Poisson's ratio, and Young's modulus were determined within the parameter range of involute spline coupling of PEEK-based polymer composite materials as the matrix. It provides a theoretical foundation for designing high-performance, high-precision, and highly reliable PEEK-based polymer composite components.

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基于 PEEK 的聚合物复合渐开线花键耦合系统的非线性动态啮合力分析

动态啮合力影响 PEEK 高分子复合材料渐开线花键联轴器的稳定性和磨损寿命，但动态啮合力大多通过经验公式求得，在实际应用中并没有有效的计算方法。针对 PEEK 材料的粘弹性和非线性行为，本研究采用集中质量法建立了 PEEK 基聚合物复合渐开线花键副驱动系统的非线性动力学模型，考虑了时变啮合刚度、齿侧间隙和综合传动误差，得到了消除刚体位移的无量纲动力学矩阵。针对 PEEK 材料的热稳定性，考虑错位和啮合变形的热效应，计算了 PEEK 基聚合物复合材料渐开线花键的动态啮合刚度和动态啮合力。研究了在动态和静态载荷下错位对系统动态特性的影响。结果表明：PEEK 基高分子复合材料渐开线花键联轴器在错位情况下的动态啮合刚度和动态啮合力表现出复杂的非线性特征；振动、载荷和粘弹性变形对传动精度和效率有影响；在以 PEEK 基高分子复合材料为基体的渐开线花键联轴器的参数范围内，确定了摩擦系数、泊松比和杨氏模量的最佳选择范围。这为设计高性能、高精度和高可靠性的 PEEK 基聚合物复合材料部件提供了理论基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers Part K-Journal of Multi-Body Dynamics 工程技术-工程：机械

CiteScore

4.10

自引率

11.10%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Multi-body Dynamics is a multi-disciplinary forum covering all aspects of mechanical design and dynamic analysis of multi-body systems. It is essential reading for academic and industrial research and development departments active in the mechanical design, monitoring and dynamic analysis of multi-body systems.