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Omkonstruktion av lastväxlare Livab
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2011 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Redesign of hooklift Livab (English)
Abstract [en]

The degree project was made forZetterbergs Industri AB. The company is market leading in Europe in the heavyvehicle industry, designing and building body systems for trucks.In their line of products is the hook lift called Livab, a flexible and uniqueproduct. The hook lift is often demanded by customers because its special ability tobe able to operate in situations with low roof clearance. The main operation principleof the hook lift can be described as a truck stand, laid down.There are two main versions of the hook lift Livab, AL 26 and AL 32. These are ofdifferent load capacity, 17 and 25 metric tons of gross weight respectively. The aim ofthis project was to try to find a concept that could replace the AL 26 and in turns ofload capacity qualifies somewhere in between the two existing versions. The conceptshould ideally also have lower weight and a lower build up height than the existinghook lift because of competitive advantage.The results was a FEM based analysis of different concepts to change the crosssections of the beams that make up the construction. These concepts where thencompared to each other. Also, different concepts of making the chassis mountedframe of the hook lift lighter by trying different reinforcement crosses, were analyzedin the same manner.The selected concepts was in the end, for the inner stand: "kompakt profiler insida",for the outer stand "kompakt" and for the reinforcement cross "original".

Place, publisher, year, edition, pages
2011. , 41 p.
Keyword [sv]
Lastväxlare, Livab, FEM, balkprofil
URN: urn:nbn:se:uu:diva-155100ISRN: ISRN UTH-INGUTB-EX-M-2011/07-SEOAI: diva2:423822
Educational program
Bachelor Programme in Mechanical Engineering
Available from: 2011-06-17 Created: 2011-06-16 Last updated: 2011-06-17Bibliographically approved

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