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Acoustic emission detection of macro-cracks on engraving tool steel inserts during the injection molding cycle using PZT sensors [Elektronski vir]Svečko, Rajko ...This paper presents an improved monitoring system for the failure detection ofen graving tool steel inserts during the injection molding cycle. This system uses acoustic emission PZT sensors mounted ... through acoustic waveguides on the engraving insert. We were thus able to clearly distinguish the defect through measured AE signals. Two engraving tool steel inserts were tested during the production of standard test specimens, each under the same processing conditions. By closely comparing the captured AE signals on both engraving inserts during the filling and packing stages, we were able to detect the presence of macro-cracks on one engraving insert. Gabor wavelet analysis was used for closer examination of the captured AE signalsć peak amplitudes during the filling and packing stages. The obtained results revealed that such a system could be used successfully as an improved tool for monitoring the integrity of an injection molding process.Source: Sensors [Elektronski vir]. - ISSN 1424-8220 (Vol. 13, no. 5, 2013, str. 6365-6379)Type of material - e-article ; adult, seriousPublish date - 2013Language - englishCOBISS.SI-ID - 16888854
Author
Svečko, Rajko |
Kusić, Dragan |
Kek, Tomaž, 1974- |
Sarjaš, Andrej |
Hančič, Aleš |
Grum, Janez, 1946-
Topics
injekcijsko brizganje |
nadzorovanje procesa |
akustična emisija |
PZT senzorji |
piezoelektrični efekt |
injection molding |
process monitoring |
acoustic emission |
PZT sensors |
piezoelectric effect
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Svečko, Rajko | 03778 |
Kusić, Dragan | 32596 |
Kek, Tomaž, 1974- | 23778 |
Sarjaš, Andrej | 27703 |
Hančič, Aleš | 25369 |
Grum, Janez, 1946- | 03551 |
Source: Personal bibliographies
and: SICRIS
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