Compensation strategies for robotic motion errors for additive manufacturing (AM)

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dc.contributor.authorBandari, Yashwanth K.
dc.contributor.authorCharrett, Thomas O. H.
dc.contributor.authorMichel, Florent
dc.contributor.authorDing, Jialuo
dc.contributor.authorWilliams, Stewart W.
dc.contributor.authorTatum, Ralph P.
dc.date.accessioned2017-09-29T10:30:26Z
dc.date.available2017-09-29T10:30:26Z
dc.date.issued2016-08-10
dc.description.abstractIt is desirable to utilise a robotic approach in additive manufacturing as Computer Numerical Control (CNC) is expensive and it has high maintenance costs. A robotic approach is relatively inexpensive compared to CNC and can provide much more flexibility, enabling a variety of configurations and easier parallel processing. However, robots struggle to achieve high positioning accuracy and are more prone to disturbances from the process forces. This paper attempts to characterise the robot position and velocity errors, which depend on the build strategy deployed, using a laser speckle correlation sensor to measure the robotic motion. An assessment has been done as to whether these errors would cause any problem in additive manufacturing techniques, where the test parts were built using the Wire+Arc Additive Manufacture (WAAM) technique. Finally, different compensation strategies are discussed to counter the robotic errors and a reduction of 3 mm in top surface profile irregularity by varying the wire feed speed (WFS) during the path has been demonstrated.en_UK
dc.identifier.citationBandari Y, Charrett T, Michel F, Ding J, Williams S, Tatam R, Compensation strategies for robotic motion errors for additive manufacturing, Proceedings of Proceedings of 27th Annual International Solid Freeform Fabrication Symposium, 8-10 August 2016, Austin, Texas, USAen_UK
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/12561
dc.language.isoenen_UK
dc.publisherUniversity of Texasen_UK
dc.rights©2016 The Authors. This is the Author Accepted Manuscript. The Authors retain the copyright.
dc.subjectRoboticsen_UK
dc.subjectAdditive manufactureen_UK
dc.subjectOscillation strategyen_UK
dc.subjectLasersen_UK
dc.subjectSpeckle correlationen_UK
dc.subjectOdometryen_UK
dc.titleCompensation strategies for robotic motion errors for additive manufacturing (AM)en_UK
dc.typeConference paperen_UK

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