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The Motion Simulation of The Crawling Phenomenon of CNC Machine Tool

机译：数控机床爬行现象的运动仿真

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摘要

NC machine crawling often happens in the mechanical part and feed servo system, because crawling phenomenon often depends on the characteristics of mechanical transmission parts when NC machine is in a low speed. Because of the insufficient transmission stiffness of machine tool, crawling appears when the difference of static and dynamic friction coefficient is huge and damped oscillations of friction pairs are small. This paper establishes the models of physics and mathematics. It can conclude the main reasons for crawling through theoretical analysis and numerical simulation of machine movement components, and put forward measures to avoid crawling.
机译：NC机器爬行经常发生在机械部件和饲料伺服系统中，因为当NC机器处于低速时，爬行现象通常取决于机械传动部件的特性。由于机床的传输刚度不足，当静态和动态摩擦系数的差异是巨大的摩擦对振荡时，出现爬行。本文建立了物理学和数学模型。它可以结束通过机芯组件的理论分析和数值模拟爬行的主要原因，提出措施避免爬行。

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