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基于滚轮导轨接触模型的高速重载运动机构振动与疲劳分析 被引量:1

Vibration and Fatigue Analysis of High-speed Heavy Mechanism Based on Roller Contact Model
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摘要 通过赫兹接触理论对滚轮导轨系统建立接触力学模型,推导接触刚度、强度的计算公式,并分析滚轮、轴承的总接触刚度。根据接触刚度模型、应用拉格朗日方程建立高速重载运动机构动力学模型,得到机构的自由振动微分方程,从而计算出机构的各阶固有频率。 Established the mechanism's roller guide contact mechanics model by Hertz contact theory,derived contact stiffness,strength calculation and analyze the total contact stiffness of the wheels and the bearing.According to the contact stiffness model of high-speed heavy motion mechanism,established dynamic mode by using Lagrange equations of motion mechanism,Thus,established freedom vibration differential equation to calculate the natural frequencies of mechanism.
出处 《机械与电子》 2014年第9期47-52,共6页 Machinery & Electronics
基金 黑龙江省科研机构创新能力提升专项计划项目(YC13D004) 国家高技术研究发展计划(八六三)资助项目(2013AA040901)
关键词 滚轮导轨 接触力学 拉格朗日方程 roller guide contact mechanics Lagrange equation
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