加工误差对多臂调制器动态特性的影响分析

Q4 Materials Science

Journal of Textile Engineering Pub Date : 2021-10-15 DOI:10.4188/jte.67.77

Hongbin Yu, Qingyuan Guo, Honghuan Yin, Junqiang Peng

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引用次数: 1

摘要

本文对凸轮滑块调制器的凸轮轮廓线进行了动力学建模和分析。考虑柔性效应，建立了调制器方程的非线性动力学模型。采用四阶龙格-库塔法进行响应求解。采用了集总参数法和蒙特卡罗模拟法。分析了调制器滚子振动对凸轮型线加工误差的影响。为了分析不同速度下的振动响应，利用VB.net进行了仿真。结果表明:当多臂转速小于400 r/min时，扰动凸轮轮廓平稳、随机振动;此外，观察到工作多臂速度不应超过900 r/min。对于扰动凸轮型线系统，当多臂转速小于400 r/min时，从动件振动响应较小。当多臂转速大于200 r/min时，对从动件振动响应有显著影响。

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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Analysis of the Influence of Machining Errors on the Dynamic Characteristics of the Dobby Modulator

In this paper, cam profile dynamic modeling and analysis of the cam slider modulator are presented. The nonlinear dynamic model is derived for the modulator equation with consideration of the flexible effect. The fourth order Runge-Kutta method is employed to for response solving. The lumped parameter and Monte Carlo simulation methods are also utilized. Modulator roller vibration with regard to the cam profile machining errors are analyzed. In order to analyze the vibrational response at different speeds, VB.net simulation is performed. The results demonstrate that the disturbed cam profile vibrates smoothly and randomly when the dobby speed is less than 400 r/min. Furthermore, it is observed that the operating dobby speed should not exceed 900 r/min. For disturbed cam profile system, when the speed of the dobby is less than 400 r/min, small follower vibration response is observed. When dobby speed is greater than 200 r/min, significant impact on the follower vibration response is observed.

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来源期刊

Journal of Textile Engineering Materials Science-Materials Science (all)

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： Journal of Textile Engineering (JTE) is a peer-reviewed, bimonthly journal in English and Japanese that includes articles related to science and technology in the textile and textile machinery fields. It publishes research works with originality in textile fields and receives high reputation for contributing to the advancement of textile science and also to the innovation of textile technology.