MATEC Web Conf.
Volume 221, 20182018 3rd International Conference on Design and Manufacturing Engineering (ICDME 2018)
|Number of page(s)||5|
|Section||Mechanical Engineering and Control Technology|
|Published online||29 October 2018|
A novel geometric error identification methodology for the tilting head of five-axis machine tools based on double ball bar
College of Mechanical Engineering & Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China
The paper proposes a novel geometric error identification methodology for the tilting head of five-axis machine tools using double ball bar(DBB).Firstly, based on the motion condition of the tilting head of five-axis machine tools, three measurement patterns in Y direction, X direction and Z direction are proposed respectively. Then, the relative displacement equations of two balls of DBB in three measurement patterns are established respectively on the basis of homogeneous transform matrix (HTM) and multi-body system (MBS) theory. Finally, the geometric error parameters of the tilting head are identified totally. The presented method is universal and provides a reference for the error identification for the tilting head of five-axis machine tools.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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