Tool Wear Estimation for Different Workpiece Materials Using the Same Monitoring System

This paper presents a tool wear monitoring system that uses the same signals and prediction strategy for monitoring the machining process of different materials, i.e., a steel and an aluminium alloy. It is an important requirement for a monitoring system to be applied in real applications. Experimen...

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Bibliographic Details
Published in:Procedia engineering 2013, Vol.63, p.608-615
Main Authors: Salgado, D.R., Cambero, I., Olivenza, J.M. Herrera, Sanz-Calcedo, J. García, López, P.J. Núñez, Plaza, E. García
Format: Article
Language:English
Subjects:
aluminium alloy
Flank wear
monitoring system
steel alloy
Tool wear
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Summary:This paper presents a tool wear monitoring system that uses the same signals and prediction strategy for monitoring the machining process of different materials, i.e., a steel and an aluminium alloy. It is an important requirement for a monitoring system to be applied in real applications. Experiments have been performed on a lathe over a range of different cutting conditions, and TiN coated tools were used. The monitoring signals used are the AC feed drive motor current and the cutting vibrations. The geometry tool parameters used as inputs are the tool angle and the radius. The performance of the proposed system was validated against different experiments. In particular, different tests were performed using different numbers of experiments obtaining a rmse for tool wear estimation of 17.63μm and 13.45μm for steel and aluminium alloys respectively.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2013.08.246