A comparative study of using spindle motor power and eddy current for the detection of tool conditions in milling processes

Abbass, J.K. and Al-Habaibeh, A. ORCID: 0000-0002-9867-6011, 2015. A comparative study of using spindle motor power and eddy current for the detection of tool conditions in milling processes. In: 2015 IEEE 13th International Conference on Industrial Informatics (INDIN), Cambridge, 22-24 July 2015.

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Abstract

This paper investigates the use of the power of the driving motor of a CNC spindle in comparison to two perpendicular eddy current sensors for the detection of tool wear in milling processes. Monitoring the power through the current profile is a low cost system which has been utilised in this study as an attempt to detect the fluctuation in the motor load as a result of the conditions of the cutting tool. Eddy current sensors are dedicated sensors that are installed on the spindle to measure the vibration of the rotating spindle in two axes. Experimental work has been conducted using fresh and worn tools to investigate the effect of tool conditions on the two sensory systems. Time domain features are utilised to compare between the two sensors in relation to this application. The results indicate that Eddy current sensors are found to be more successful and sensitive, in general, than the power of the motor in detecting the changes of the cutting tools during the machining operation. However, the kurtosis value of the power of the spindle has been found to be successful in predicting the tool conditions with high sensitivity.

Item Type: Conference contribution
Creators: Abbass, J.K. and Al-Habaibeh, A.
Date: 2015
Identifiers:
NumberType
10.1109/INDIN.2015.7281833DOI
Divisions: Schools > School of Architecture, Design and the Built Environment
Record created by: Linda Sullivan
Date Added: 13 Jan 2016 11:17
Last Modified: 09 Jun 2017 13:58
URI: https://irep.ntu.ac.uk/id/eprint/26751

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