Application of non-parametric methods for monitoring of tool chipping

Mulc, Tihomir and Udiljak, Toma and Ciglar, Damir and Brezak, Danko and Staroveški, Tomislav (2010) Application of non-parametric methods for monitoring of tool chipping. = Application of non-parametric methods for monitoring of tool chipping. In: 21st International DAAAM Symposium "Intelligent Manufacturing & Automation: Focus on Interdisciplinary Solutions", 20-23.10.2010., Zadar, Croatia.

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Abstract

Cutting tool wear is a consequence of a normal wearing process, which is considerably slow, or of a chipping process, which happens instantly and could often lead to tool breakage. The paper presents a methodology for monitoring the tool chipping process. The reliability of monitoring the tool chipping, in particular its initialization, depends on the sensor signal acquisition, processing, and interpretation. Tool chipping is a very fast nonlinear process, and too complex to be described by deterministic models. Not only the cutting process itself, but also the mechanical link (from motors to tool-workpiece interface) is a significant cause of signal deviation and noise. Therefore, knowing the signal power spectra and analyzing them are of great importance for the monitoring of stochastic processes. This paper presents an analysis of the tool chipping process by means of a nonparametric method for the spectral analysis of force, current, and acoustic signals.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): manufacture; milling (machining); random processes; spectrum analysis; acoustic signals; cutting process; deterministic models; mechanical links; nonlinear process; nonparametric methods; tool monitoring; wearing process; cutting tools
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1200 Department of Technology > 1230 Chair of Machine Tools
900 Department of Robotics and Production System Automation > 910 Chair of Engineering Automation
Indexed in Web of Science: No
Indexed in Current Contents: No
Citations SCOPUS: 1 (20.09.2018.)
Date Deposited: 10 Jul 2015 12:12
Last Modified: 15 Nov 2018 13:09
URI: http://repozitorij.fsb.hr/id/eprint/4600

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