Study on Fractal Characterization Laws of Cutting Force in CNC Turning Aeronautic Aluminium Alloy 7075-T651

Bao Liang Xing; Jing Wang; Hui Ying Cao; Shu Zhong Zhang; Wei Wei; Zheng Mei Zhang

doi:10.4028/www.scientific.net/KEM.748.224

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 748Study on Fractal Characterization Laws of Cutting...

Study on Fractal Characterization Laws of Cutting Force in CNC Turning Aeronautic Aluminium Alloy 7075-T651

Abstract:

Based on the experiment of turning aluminium alloy (7075-T651), the relations between the fractal dimensions of cutting forces with machining parameters are studied. Cutting speed, feed speed and cutting depth are considered as the process parameters. The cutting force in turning aluminium alloy operation are measured and the fractal dimension are calculated using the algorithm of correlation dimension. From main effect plots the fractal dimensions of three directions of cutting forces are reduced with the increase of cutting speed, increased with the increase of cutting depth and insignificant with the increase of feed speed. The mathematic models of fractal dimension of cutting force are developed using response surface methodology (RSM). The results of the ANOVA show that cutting speed and cutting depth have remarkable influence to fractal dimension D_x, D_y and D_z.

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Periodical:

Key Engineering Materials (Volume 748)

Pages:

224-228

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.748.224

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Online since:

August 2017

Authors:

Bao Liang Xing*, Jing Wang, Hui Ying Cao, Shu Zhong Zhang, Wei Wei, Zheng Mei Zhang

Keywords:

Aeronautical Aluminium Alloy, CNC Turning, Cutting Force, Fractal Dimension (D), Response Surface Methodology (RSM)

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