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Development of a tipper body subframe: a pre-study at SSAB
Mälardalen University, School of Innovation, Design and Engineering.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis is performed on master level and covers an assignment given by the Value Added Services(VAS) department at SSAB (Oxelösund, Sweden). The thesis has been carried out by Mattias Hägglundduring the fall of 2014 atMälardalen University.

The transportation industry has over time developed to be more efficient and environmentally aware. Looking at the truck industry shows that the development is strong and constant, new solutions and improvements is being introduced every year. One result of this is reduced fuel consumption and/or increased loading capacity. In the mining industry for example, can a few hundred kilos extra payload make a big different at the end of the day.

This constant development seen in many fields is something that SSAB wants to take part in.

By using product diversification canthe VAS department reach new customers and secure sales of SSAB steel. Subframes, being a natural step from tipper bodies, are worth to consider as a possible project start-up. Combined with SSABs current tipper body program could a new subframe make its way to the market.

This project have adapted a new product development process in order to come up with a subframe design not yet physically tested, but theoretically superior to conventional subframes. Each development phase of this process is explained and executed in the report, giving the reader a detailed step-by-step overview.

The projects result builds on the knowledge attained from the course of the project and simulation results. With the use of a CAD-program and by applying FEM, have a number of concepts been analysed with regards to their strength and rigidity. The simulation results have made it possible to design a final solution where a number of demands and desired properties have been fulfilled.

The result from this thesis work have reduced the weight by 7%, increased rigidity about 20% and substantially improved the strength in comparison to a typical subframe. This shows that there are possibilities to improve on the current subframe design, and that there is cause for SSAB to make further research and development in the subject of tipper body subframes. 

Place, publisher, year, edition, pages
2014. , 88 p.
Keyword [en]
Subframe truck development tipper body SSAB
National Category
Engineering and Technology
URN: urn:nbn:se:mdh:diva-27454OAI: diva2:785641
External cooperation
SSAB Oxelösund
Subject / course
Product and Process Development
2015-01-15, Filen, Smedjegatan 37, Eskilstuna, 14:40 (English)
Available from: 2015-02-10 Created: 2015-02-03 Last updated: 2015-02-10Bibliographically approved

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