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Evaluating carton board crease geometries regarding grip stiffness using Syntouch Biotac
Örebro University, School of Science and Technology.
2017 (English)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Utvärdering av big-geometrier hos kartong rörande greppstyvhet med Syntouch Biotac (Swedish)
Abstract [en]

A pilot study comparing the influence by different crease geometry on the grip stiffness of carton board packages has been executed. For this purpose, Syntouch Biotac, Lloyd LR5K tensiletester and crease measurements have been used. In total, 40 packages were manufactured and tested for this report. It was found that different crease geometries do have an effect on the difference in stiffness before and after collapse load. It was also found that vibration signals from Syntouch Biotac could be used to differentiate between different crease geometry at the instant of collapse load in the majority of cases. For continued work it is proposed that the same method used in this report should be applied on a larger number of packages. This is proposed so that a more thorough statistical analysis can be performed. It is also proposed, for continued work, that the interlaminar bonds between the plies of the carton boards be examined to gain a better understanding of the damage progress at the instant of collapse load.

Abstract [sv]

En förstudie över fyra olika big-geometriers inverkan på greppstyvhet av kartongförpackningar har utförts. Syntouch Biotac, tryckprovare och bigmätningar har använts för ändamålet. Totalt har 40 kartongförpackningar tillverkats och testats för denna rapport. Det fanns att big-geometrier har en inverkan på skillnaden mellan styvhet innan och efter kollapslast av kartongförpackningen. Det fanns även att vibrationsutslag från Syntouch Biotac kunde skilja olika big-geometrier åt vid kollapslast i majoriteten av fall. Till fortsatt arbete föreslås att använda likadan metod på flera kartongförpackningar för att kunna utföra en nogrannare statistisk analys samt att undersöka styrkan hos de interlaminära bindningarna mellan kartongskikten för att bättre förstå skadeförloppet vid kollapslast.

Place, publisher, year, edition, pages
2017. , 108 p.
Keyword [en]
stiffness, crease, syntouch biotac, grip stiffness
Keyword [sv]
styvhet, big, syntouch biotac, greppstyvhet
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:oru:diva-61955OAI: oai:DiVA.org:oru-61955DiVA: diva2:1152733
Subject / course
Mechanical Engineering
Supervisors
Examiners
Available from: 2017-10-26 Created: 2017-10-26 Last updated: 2017-10-26Bibliographically approved

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Evaluating carton board crease geometries regarding grip stiffness using Syntouch Biotac(8133 kB)11 downloads
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