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Fundament för kompaktkran: En universell lösning
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Industrial Engineering & Management.
2015 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Compact crane support frame : A universal solution (English)
Abstract [en]

This thesis describes the universalization, improvement and further development of a

compact crane support frame for flatbed trucks. The work has been conducted at El

och Fordonsteknik AB (henceforth EFAB) in Uppsala.

The aim of the work has been to shorten the assembly time of the product. By doing

so, the product can be kept on shelf, which in turn results in shorter lead time. This

has been done by universalizing the support frame to be compatible with most of the

chassis EFAB works with. Additionally, the entire construction has been made lighter,

which will make it a more attractive choice for customers.

A pre-study was conducted and information was gathered internally, as well as

externally, in order to ascertain that no limitation or possibility was overlooked

during the course of the project.

One such limitation has been the geometry of the truck bed that the support frame

shall be compatible with. This has set the focus of the project more towards further

developing and improving the already existing product rather than developing a brand

new one. The project has resulted in a compact crane support frame that fits eight

different chassis and is 22 kg lighter than its predecessor. The assembly time has been

approximated to 60 % of that of the original product.

No prototype test has been conducted due to the lack of a suitable vehicle and time.

However, theoretical comparisons done through the use of 3D CAD and FEA suggest

that the new support frame is a worthy replacement for the previous one.

Place, publisher, year, edition, pages
2015. , 45 p.
Keyword [sv]
CAD, kranfundament, konstruktion, kompaktkran.
National Category
Other Mechanical Engineering
URN: urn:nbn:se:uu:diva-257281ISRN: UTH-INGUTB-EX-M-2015/12-SEOAI: diva2:838863
External cooperation
El och Fordonsteknik AB
Educational program
Bachelor Programme in Mechanical Engineering
Available from: 2015-07-01 Created: 2015-07-01 Last updated: 2015-07-01Bibliographically approved

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