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Automatisk Kedjespännare: Prototypframtagning av automatisk kedjespännare till kombi-länkarm
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2017 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Automatic chain tensioner : Prototype production of automatic chain tensioner for combi link arm (English)
Abstract [sv]

Detta arbete är ett projekt som inriktat sig på att ta fram en lösning för ett problem med slakande kedjor i en av Komatsu Forests skogsmaskiner. Uppgiften var att konstruera en automatisk kedjespännare som skulle dra åt de slakande kedjorna när så behövdes. Krav och mål ställdes upp för projektet. Även avgränsningar sattes upp och sedan utformades en teori för problemet. Utifrån teorin kunde en metod tas fram för att kunna angripa och lösa problemet på ett så bra sätt som möjligt. Projektet genomfördes och resultatet blev fyra lösningar på problemet som presenterades i resultatdelen. De olika lösningarna angrep problemet på lite olika sätt men skulle på ett teoretiskt plan lösa problemet utifrån den givna teorin och avgränsningarna. Dock valdes en av lösningarna ut som den bästa och för den lösningen togs även tillverkningsunderlag fram. Om resultatet skulle tas vidare och en fysisk prototyp skulle tillverkas så skulle den eventuellt kunna lösa problemet med de slakande kedjorna. 

Abstract [en]

This work is a project aimed at developing a solution to a problem with loose chains in one of Komatsu Forest's forestry machines. The task was to construct an automatic chain tensioner that would tighten the loose chains when needed. Requirements and goals were set for the project. Limitations were established and then a theory was developed for the problem. Based on the theory, a method could be developed to address and solve the problem the best way possible. The project was followed through and the result was four solutions to the problem. The different solutions addressed the problem in different ways but would theoretically solve the problem based on the given theory and limitations. However, one of the solutions was chosen as the best and for that solution, a production base was also taken. If the result were to be continued and a physical prototype would be manufactured, then it could possibly solve the problem of the decaying chains.

Place, publisher, year, edition, pages
2017. , 24 p.
Series
MA, 1717
Keyword [sv]
Mekanik, kedjespännare, kedja
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:umu:diva-141059OAI: oai:DiVA.org:umu-141059DiVA: diva2:1151608
External cooperation
Komatsu Forest Umeå
Subject / course
Maskinteknik
Educational program
Bachelor of Science Engineering in Mechanical Engineering
Supervisors
Examiners
Available from: 2017-11-02 Created: 2017-10-23 Last updated: 2017-11-02Bibliographically approved

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Automatisk Kedjespännare(1472 kB)2 downloads
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Type fulltextMimetype application/pdf

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