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The capacity of statistical features extracted from multiple signals to predict tool wear in the drilling process-POSTPRINT.pdf (699.6Kb)
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Title
The capacity of statistical features extracted from multiple signals to predict tool wear in the drilling process
Author
Duo Zubiaurre, Aitor
Basagoiti Astigarraga, Rosa
Arrazola Arriola, Pedro José
Aperribay Zubia, Javier
Cuesta Zabaljauregui, Mikel
Research Group
Análisis de datos y ciberseguridad
Published Date
2019
Publisher
Springer Verlag
Keywords
tool wear
Drilling
Machine learning
Tool condition monitoring
Abstract
Industrial processes are being developed under a new scenario based on the digitalisation of manufacturing processes.Through this, it is intended to improve the management of resources, ... [+]
Industrial processes are being developed under a new scenario based on the digitalisation of manufacturing processes.Through this, it is intended to improve the management of resources, decision-making, production costs and productiontimes. Tool control monitoring systems (TCMS) play an important role in the achievement of these objectives. Therefore, itis necessary to develop light and scalable TCMS that can provide information about the tool status using the signals providedby the machine. Due to the lack of this type of systems in industrial environments, this work has two main objectives. First,the predictive capacity of statistical features in the time domain of internal and external signals for the prediction of toolwear in drilling processes was analysed. To this end, a methodology based on automatic learning algorithms was developed.Secondly, once the most sensitive signals to tool wear were identified, algorithms with signals of a certain tool geometrywere trained and a model was obtained. Then, the model was tested using signals from two different tool geometries. Theexperiments were carried out on a vertical milling machine on a steel with composition 35CrMo4LowS under pre-establishedcutting conditions. The results show that the most sensitive signals to monitor the tool wear in the time domain are the feedforce (external) and thez-axis motor torque (internal). The models created for the fulfilment of the second objective show agreat capacity of prediction even when dealing with tools with different geometrical characteristics. [-]
URI
http://hdl.handle.net/20.500.11984/1476
Publisher’s version
https://doi.org/10.1007/s00170-019-03300-5
ISSN
1433-3015 (Online)
Published at
The International Journal of Advanced Manufacturing Technology  Vol. 102. Nº 5–8. Pp 2133–2146. June, 2019
Document type
Article
Version
Postprint – Accepted Manuscript
Rights
© Springer-Verlag London Ltd., part of Springer Nature 2019
Access
Embargoed Access (until 2020-01-22)
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  • Articles - Engineering [191]
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