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Automatiserad viktkontroll av formsprutade detaljer
Linköping University, Department of Management and Engineering, Machine Design.
2010 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
Automatde Weight Control of Injection Molded Details (English)
Abstract [sv]

Arbetet utfördes på Sura Magnets, ett företag i Söderköping som bl.a. tillverkar formsprutade plastbaserade magneter. En av deras produkter kallad ”10 mm:aren” tillverkas genom formsprutning. Varje skott ger 6 detaljer. Problemet de har är, att ofyllda skott kan tillverkas. För att undvika att dessa ofyllda detaljer når kunderna, gör man en manuell avsyning, vilket är ett väldigt tidskrävande arbete. Syftet med arbetet var att tillverka en automatiserad utrustning som via vikt kontroll ska avskilja de kasserade skotten.

Efter att ha införskaffat information om problemen, genererades ett antal koncept för att lösa dessa. Efter att ett koncept blivit valt, konstruerades en automatiskviktkontroll mekaniskt och elektriskt. Därefter tillverkades ett PLC program för att styra utrustningen.

Dessvärre hann inte alla detaljer till utrustningen tillverkas, så den har inte kunnat testas i praktiken. Detta överlåtes till Sura Magnets att utföra. Hoppas att konstruktionen kommer att utföra det avsedda arbetet på ett tillfredställande sätt.

Abstract [en]

The assignment was executed at Sura Magnets, a company located in Söderköping, which among other things manufactures injection moulded plastic based magnets. One of their products, called “10 mm:aren", are produced through injection moulding. Each cycle produces 6 details. Their problem is that during the injection moulding process some incomplete details can be manufactured. To prevent these incomplete details from reaching their customers, they have to manually check all produced details, which is a wary time consuming task. The purpose of my assignment was to manufacture an automated device that, through weight control, separated the cycles that contained incomplete details from the ones that didn’t.

After gaining some knowledge about the problems, a number of concepts were generated to solve these problems. when one of the concepts was chosen, an automated weight control was constructed both mechanically and electrically. Then a PLC Program was constructed to run the device.

Unfortunately all the details to complete the device weren’t manufactured because of time shortage, so the device hasn’t been tested in the field. The assembling and testing of the device are left for Sura Magnets to complete. I hope that the device will perform the task it was designed for with satisfying results.

Place, publisher, year, edition, pages
2010. , 82 p.
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-58026ISRN: LIU-IEI-TEK-G--10/00156—SEOAI: oai:DiVA.org:liu-58026DiVA: diva2:330888
Presentation
2010-05-05, MASS, Hus A, Campus Valla, Linköping, 15:15
Uppsok
Technology
Supervisors
Examiners
Available from: 2010-08-24 Created: 2010-07-20 Last updated: 2011-03-22Bibliographically approved

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CiteExportLink to record
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Citation style
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