The Motion Simulation of the Crawling Phenomenon of CNC Machine Tool

Ming Yin; Wen Tong Cheng; Li Juan Bai; Lan Lan Guo

doi:10.4028/www.scientific.net/AMM.529.364

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 529The Motion Simulation of the Crawling Phenomenon...

The Motion Simulation of the Crawling Phenomenon of CNC Machine Tool

Abstract:

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.

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Periodical:

Applied Mechanics and Materials (Volume 529)

Pages:

364-369

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.529.364

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Online since:

June 2014

Authors:

Ming Yin, Wen Tong Cheng, Li Juan Bai, Lan Lan Guo

Keywords:

Anti-Crawling Measure, CNC Machine Tool, Crawling Phenomenon

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References

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