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An investigation of highly accurate and precise robotic hole measurements using non‐contact devices

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journal contribution
posted on 02.06.2016, 13:36 authored by Zahid Usman, Radmehr MonfaredRadmehr Monfared, Niels LohseNiels Lohse, Michael Jackson
Industrial robots arms are widely used in manufacturing industry because of their support for automation. However, in metrology, robots have had limited application due to their insufficient accuracy. Even using error compensation and calibration methods, robots are not effective for micrometre (μm) level metrology. Non‐contact measurement devices can potentially enable the use of robots for highly accurate metrology. However, the use of such devices on robots has not been investigated. The research work reported in this paper explores the use of different non‐contact measurement devices on an industrial robot. The aim is to experimentally investigate the effects of robot movements on the accuracy and precision of measurements. The focus has been on assessing the ability to accurately measure various geometric and surface parameters of holes despite the inherent inaccuracies of industrial robot. This involves the measurement of diameter, roundness and surface roughness. The study also includes scanning of holes for measuring internal features such as start and end point of a taper. Two different non‐contact measurement devices based on different technologies are investigated. Furthermore, effects of eccentricity, vibrations and thermal variations are also assessed. The research contributes towards the use of robots for highly accurate and precise robotic metrology.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

International Journal of Metrology and Quality Engineering

Citation

USMAN, Z. ...et al., 2016. An investigation of highly accurate and precise robotic hole measurements using non‐contact devices. International Journal of Metrology and Quality Engineering, 7(2): 204.

Publisher

© EDP Sciences

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

04/04/2016

Publication date

2016

Notes

This paper was accepted for publication in the journal International Journal of Metrology and Quality Engineering and the definitive published version is available at http://dx.doi.org/10.1051/ijmqe/2016007

ISSN

2107-6839

eISSN

2107-6847

Language

en