An Approach of Exciting CNC Machine Tools Based on Worktable Empty Running Excitation

DOI

10.2991/ifeesm-17.2018.135How to use a DOI?

Keywords

machine tool vibration, modal parameters, worktable empty running excitation, feed speed, acceleration

Abstract

Dynamic characteristic of machine tool is an important factor which affects machining quality and machining efficiency. Traditional experimental modal analysis method requires the measured structure to be in a relatively static state. So the dynamic characteristics of machine tool structure cannot be measured in operating state. In this paper, an approach of exciting CNC machine tools based on worktable empty running excitation is proposed. The machine tool structure is excited by inertial force generated during the reciprocating motion of machine worktable. The motion of worktable is designed and the influencing factors of excitation are analyzed. The effect of feed speed and acceleration to excitation is analyzed through experiment. Compared to impact test in static state, the method is performed in running state. So it can reflect the dynamics of machine tools in operation accurately.

Copyright

© 2018, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xinyong Mao
AU  - Huanbin He
AU  - Hongqi Liu
AU  - Bin Li
AU  - Chao Qin
PY  - 2018/02
DA  - 2018/02
TI  - An Approach of Exciting CNC Machine Tools Based on Worktable Empty Running Excitation
BT  - Proceedings of the 2017 3rd International Forum on Energy, Environment Science and Materials (IFEESM 2017)
PB  - Atlantis Press
SP  - 723
EP  - 728
SN  - 2352-5401
UR  - https://doi.org/10.2991/ifeesm-17.2018.135
DO  - 10.2991/ifeesm-17.2018.135
ID  - Mao2018/02
ER  -