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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 4    December 1995

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A MECHANICAL MODEL FOR THE CHIP SIDE DEFORMATION IN ALUMINIUM ALLOY CUTTING
Xia Wei; Li Yuanyuan; Zhou Zehua

Department of Mechanical Engineering; South China University of Technology; Guangzhou 510641

Abstract:A mechanical model for the chip side deformation in aluminium alloy cutting is developed according to the plasticity theory.The stresses caused by the chip side deformation and their effects on cutting forces of the rectangular groove cutting are analyzed.It is found that the effect of the chip side deformation on the thrust force Fy is much greater than that on the power force Fz.It is therefore believed that in the rectangular groove cutting a steep rise of the thrust force is the main cause to induce the chatter and hence to produce the poor machined surface.

 

Key words: metal cutting mechanical model cutting force chip side deformation

ISSN 1672-7029
CN 43-1423/U

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