High-speed feed-rate planning with friction error constraints

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Abstract

Feed-rate planning models must be accurate to improve contouring performance and efficiency. Quadrant protrusion errors caused by friction forces are an important source of contour error in high-speed contouring of complex curves. A theoretical analysis is given here to describe the relationships among the curvature, feed rate and quadrant protrusion error. Then, experiments with a wide range of parameters are used to develop a friction error model for feed-rate planning with the friction error as a constraint. Tests show that the model can accurately estimate the friction error and guarantee the contour accuracy requirements.

Keywords numerical control system feed-rate planning contour error friction error

Issue Date: 15 June 2014

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	Chenxi FANG
	Hui ZHANG
	Peiqing YE
	Wenyong LIANG
	Weiqian LI

Cite this article:

Chenxi FANG,Hui ZHANG,Peiqing YE, et al. High-speed feed-rate planning with friction error constraints[J]. Journal of Tsinghua University(Science and Technology), 2014, 54(6): 822-827.

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http://jst.tsinghuajournals.com/EN/ OR http://jst.tsinghuajournals.com/EN/Y2014/V54/I6/822

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