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Effect of the feed rate on three-dimensional topography of Ti-6Al-4V based on dynamic mechanical model analysis in cutting process

  • Jinquan LiEmail author
  • Chenyu Wang
ORIGINAL ARTICLE
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Abstract

The dynamic model of single-degree-of-freedom in cutting vibration system and the tool-tip motion trajectory equation were established by cutting experiment for the titanium alloy (Ti-6Al-4V). The coupling relationships among cutting vibration, cutting force, the unevenness of three-dimensional shape, and feed rate were quantitatively analyzed. The contact area between the tool and the workpiece increases with the increase of the feed rate, which leads to increasing the friction force and the steady-state component of the cutting force. The vibration acceleration increases with the increase of the steady-state component of the cutting force to cause bigger tip displacement, which results in that the surface roughness increases with an increase of the feed rate according to the dynamic model. It can be known from the tool-tip motion trajectory equation that the bigger the feed rate, the bigger the unevenness of three-dimensional shape.

Keywords

Feed rate Cutting force Cutting vibration Dynamical model 

Notes

Funding information

This work is financially supported by the National Natural Science Foundation of China (Grant No. 51775357/E050901) and the Natural Science Foundation of Liaoning, China (Grant No. 20170540785).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Mechanical EngineeringShenyang Ligong UniversityShenyangPeople’s Republic of China

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