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Moving towards in-line metrology : evaluation of a Laser Radar system for in-line dimensional inspection for automotive assembly systems
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Kiraci, Ercihan, Franciosa, Pasquale, Turley, Glen A., Olifent, Alan, Attridge, Alex and Williams, M. A. (2016) Moving towards in-line metrology : evaluation of a Laser Radar system for in-line dimensional inspection for automotive assembly systems. International Journal of Advanced Manufacturing Technology . doi:10.1007/s00170-016-9696-8
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Official URL: http://doi.org/10.1007/s00170-016-9696-8
Abstract
The increasing interest towards intelligent systems has led to a demand for the development of zero-defect strategies, with a paradigm shift from off-line and dedicated to in-line metrology with integrated robotic systems. However, a major barrier preventing the systematic uptake of in-line metrology is the lack of evaluation of system capability in terms of accuracy, repeatability and measurement time, when compared to the well-established coordinate measuring machine (CMM). In this study, a robotic Laser Radar (LR) solution is assessed in the context of automotive dimensional inspection of Body-In-White (BIW) applications. The objective is both to understand the effect of robot re-positioning error on measurement accuracy and repeatability and to compare measurement results against a CMM. Eighty-one surface points, six edge points, twenty-five holes and sixteen slots were selected from an industry standard measurement plan. Whilst LR exhibits a lower measurement accuracy than twin-column CMM, its repeatability is well within the specification limits for body shell quality inspection. Therefore, as a real-time in-line metrology tool, it is a genuine prospect to exploit. This research makes a significant contribution toward in-line metrology for dimensional inspection, for automotive application, for rapid detection and for correction of assembly defects in real time, with subsequent reduction of scrap and number of repairs/re-works.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > Q Science (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Coordinate measuring machines, Optical radar, Measurement, Measuring instruments, Dimensional analysis | ||||||||
| Journal or Publication Title: | International Journal of Advanced Manufacturing Technology | ||||||||
| Publisher: | Springer UK | ||||||||
| ISSN: | 0268-3768 | ||||||||
| Official Date: | 17 November 2016 | ||||||||
| Dates: |
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| Date of first compliant deposit: | 5 January 2017 | ||||||||
| DOI: | 10.1007/s00170-016-9696-8 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access | ||||||||
| Funder: | High Value Manufacturing Catapult |
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