Acoustic emission detection of macro-cracks on engraving tool steel inserts during the injection molding cycle using PZT sensors

Svečko, Rajko (avtor), Kusić, Dragan (avtor), Kek, Tomaž (avtor), Sarjaš, Andrej (avtor), Hančič, Aleš (avtor), Grum, Janez (avtor)

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 signals' 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.

• Jezik: Angleški jezik
• Ključne besede: injection molding, process monitoring, acoustic emission, PZT sensors, piezoelectric effect
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: FS - Fakulteta za strojništvo
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2013
• Št. strani: Str. 6365-6379
• Številčenje: Vol. 13, iss. 5
• PID: 20.500.12556/RUL-129253
• UDK: 681.586.773
• ISSN pri članku: 1424-8220
• DOI: 10.3390/s130506365
• COBISS.SI-ID: 16888854
• Datum objave v RUL: 31.08.2021

Gradivo je del revije

• Naslov: Sensors
• Skrajšan naslov: Sensors
• Založnik: MDPI
• ISSN: 1424-8220
• COBISS.SI-ID: 10176278

Licence

• Licenca: CC BY 3.0, Creative Commons Priznanje avtorstva 3.0 Nedoločena
• Povezava: https://creativecommons.org/licenses/by/3.0/deed.sl
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• Začetek licenciranja: 14.05.2013

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: injekcijsko brizganje, nadzorovanje procesa, akustična emisija, PZT senzorji, piezoelektrični efekt

Projekti

• Financer: EC - European Commission
• Program financ.: European Social Fund

• Financer: Drugi - Drug financer ali več financerjev
• Program financ.: Slovenian Ministry for Higher Education, Science and Technology