Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22790
Title: A modified sequential multilateration scheme and its application in geometric error measurement of rotary axis
Authors: Zhang, Z
Ren, M
Liu, M
Wu, X
Chen, Y
Keywords: Geometric error compensation
Laser tracker
Machine tools
Multilateration method
Rotary axis
Issue Date: 2015
Publisher: Elsevier
Source: Procedia CIRP, 2015, v. 27, p. 313-317 How to cite?
Journal: Procedia CIRP 
Abstract: Geometric error compensation becomes an essential technology for improving the accuracy of multi-axes machine tools. Laser tracker has been has been considered as an enabling instrument which can be used to measure the geometric error of machine tools due to its high accurate and feasible measurement capability. This paper presents a modified sequential multilateration method for measuring the geometric errors of rotary axes of the machine tools. The method is developed based on a single laser tracker and three targets fixing on the rotary stage. The coordinates of the three targets are measured based on the modified sequential multilateration method using a single laser tracker when the rotary stage is rotated. Then geometric error components are identified based on established geometric error model which takes the positioning error of the targets as input. The validity of the proposed method is verified through both computer simulation and experiments conducted on a multi-axis machine tool.
Description: 13th CIRP Conference on Computer Aided Tolerancing, CAT 2014, 11-14 May 2014
URI: http://hdl.handle.net/10397/22790
ISBN: 9781510803015
ISSN: 2212-8271
DOI: 10.1016/j.procir.2015.04.085
Appears in Collections:Conference Paper

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