A CNC machine guiderail wear in-process monitoring system

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dc.contributor.advisor Mehnen, Jorn
dc.contributor.advisor Salonitis, Konstantinos
dc.contributor.author Zhao, Yifei
dc.date.accessioned 2017-04-05T09:16:20Z
dc.date.available 2017-04-05T09:16:20Z
dc.date.issued 2016-09
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/11709
dc.description.abstract This research investigates and establishes a system for monitoring the guiderail wear on medium size CNC machines. The system possesses the function of measuring the wear state on guiderails in an in-process way, which is more functional and efficient than the traditional method. In this research, two different types of sensors for monitoring each particular friction wear feature have been implemented. Calculations to complete designing of a physical experimental rig and the realisation of in-process monitoring are also discussed in detail. The first type sensor adopted in the experiment is the accelerometer, used for monitoring the vibration caused by the wear on bearings and the increasing roughness on the guiderail surface. The second sensor is the capacitance probe mounted on the table and against a straight edge, searching the deviation signal of the moving table while rolling on the guiderail surface with wear. The novelty of this thesis covering an in-process monitoring approach has been tested based on a physical experimental rig. The data calculation illustrates how the noise and other disturbances are filtered and data analysed to determine the state of wear. This system utilises an indirect solution to wear monitoring with less cost while delivering convincing reliability according to the experiment result. The thesis shows the possibility to acquire CNC machine guiderail wear data through an in-process monitoring system. en_UK
dc.language.iso en en_UK
dc.publisher Cranfield University en_UK
dc.rights © Cranfield University, 2016. All rights reserved. No part of this publication may be reproduced without the written permission of the copyright holder. en_UK
dc.subject CNC machine en_UK
dc.subject guiderail en_UK
dc.subject friction fatigue wear en_UK
dc.subject in-process en_UK
dc.subject sensor en_UK
dc.subject experiment rig en_UK
dc.subject acceleration en_UK
dc.subject vibration en_UK
dc.subject noise en_UK
dc.title A CNC machine guiderail wear in-process monitoring system en_UK
dc.type Thesis or dissertation en_UK
dc.type.qualificationlevel Doctoral en_UK
dc.type.qualificationname MSc by Research en_UK

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