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Sensors 2017, 17(7), 1605; https://doi.org/10.3390/s17071605

Traceability of On-Machine Tool Measurement: A Review

1
Department of Mechanical Engineering, IK4-Tekniker, Eibar 20600, Spain
2
I3A, Universidad de Zaragoza, Zaragoza 50018, Spain
*
Author to whom correspondence should be addressed.
Received: 1 May 2017 / Revised: 24 June 2017 / Accepted: 27 June 2017 / Published: 11 July 2017
(This article belongs to the Section Physical Sensors)
Full-Text   |   PDF [6419 KB, uploaded 11 July 2017]   |  

Abstract

Nowadays, errors during the manufacturing process of high value components are not acceptable in driving industries such as energy and transportation. Sectors such as aerospace, automotive, shipbuilding, nuclear power, large science facilities or wind power need complex and accurate components that demand close measurements and fast feedback into their manufacturing processes. New measuring technologies are already available in machine tools, including integrated touch probes and fast interface capabilities. They provide the possibility to measure the workpiece in-machine during or after its manufacture, maintaining the original setup of the workpiece and avoiding the manufacturing process from being interrupted to transport the workpiece to a measuring position. However, the traceability of the measurement process on a machine tool is not ensured yet and measurement data is still not fully reliable enough for process control or product validation. The scientific objective is to determine the uncertainty on a machine tool measurement and, therefore, convert it into a machine integrated traceable measuring process. For that purpose, an error budget should consider error sources such as the machine tools, components under measurement and the interactions between both of them. This paper reviews all those uncertainty sources, being mainly focused on those related to the machine tool, either on the process of geometric error assessment of the machine or on the technology employed to probe the measurand. View Full-Text
Keywords: machine tool metrology; temperature; uncertainty; traceability; error sources machine tool metrology; temperature; uncertainty; traceability; error sources
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Mutilba, U.; Gomez-Acedo, E.; Kortaberria, G.; Olarra, A.; Yagüe-Fabra, J.A. Traceability of On-Machine Tool Measurement: A Review. Sensors 2017, 17, 1605.

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