Investigation on the milling performance of titanium alloy thin-walled part with air jet assistance

Investigation on the milling performance of titanium alloy thin-walled part with air jet assistance Cutter back-off and vibration are easily generated when machining of titanium alloy thin-walled parts due to its low rigidity, which has become the bottleneck for processing titanium alloy thin-walled parts. In order to investigate whether the impact force of air jet can reduce the part deformation and the vibration during machining process or not, experiments of milling Ti6Al4V alloy thin-walled part with and without air jet assistance were conducted. Vibration acceleration signals and cutting force signals in the milling process under the same cutting parameters are analyzed and compared. Also, vibration acceleration signals in frequency domain obtained by Fast Fourier Transform (FFT) are analyzed and compared. Furthermore, the impact force produced by air jet acting on the thin-walled part was collected separately before milling experiments and calculated according to the theory of hydromechanics to investigate its supporting effect. Finally, the experiment results show that air jet assistance can improve cutting stability and reduce cutting force, leading to better surface quality and reduced part deformation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Investigation on the milling performance of titanium alloy thin-walled part with air jet assistance

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Publisher
Springer London
Copyright
Copyright © 2017 by Springer-Verlag London Ltd., part of Springer Nature
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-1420-9
Publisher site
See Article on Publisher Site

Abstract

Cutter back-off and vibration are easily generated when machining of titanium alloy thin-walled parts due to its low rigidity, which has become the bottleneck for processing titanium alloy thin-walled parts. In order to investigate whether the impact force of air jet can reduce the part deformation and the vibration during machining process or not, experiments of milling Ti6Al4V alloy thin-walled part with and without air jet assistance were conducted. Vibration acceleration signals and cutting force signals in the milling process under the same cutting parameters are analyzed and compared. Also, vibration acceleration signals in frequency domain obtained by Fast Fourier Transform (FFT) are analyzed and compared. Furthermore, the impact force produced by air jet acting on the thin-walled part was collected separately before milling experiments and calculated according to the theory of hydromechanics to investigate its supporting effect. Finally, the experiment results show that air jet assistance can improve cutting stability and reduce cutting force, leading to better surface quality and reduced part deformation.

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Nov 30, 2017

References

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