Detta är en Kandidat-uppsats från Blekinge Tekniska Högskola/Institutionen för maskinteknik; Blekinge Tekniska Högskola/Institutionen för maskinteknik; Blekinge Tekniska Högskola/Institutionen för maskinteknik


This Examination Thesis was done at the Blekinge Institute of Technology of Karlskrona. The work is a part of the education to Bachelor of Science in product development. The task consists of changing the steering wheel transmission of the DYNAPAC CA soil compactor machine made by Svedala Compaction Equipment AB. During the work we have followed the Fredy Olsson product development method. The work is divided in two parts: The Concept phase and The Primary Construction phase. In the Concept phase we first defined the project. After that we did investigations to find different solutions, which were electronic solution, hydraulic solution, gears and shafts, synchronous belts, single wire and double wires. Then, we made descriptions of all the proposals, next step was a primary evaluation of the product solutions. We used three matrixes to find out which solutions we were going to keep for the progress of the project and found the synchronous belt as the most advantageous steering system. In the Primary Construction we chose the most suitable belt using a criterions matrix. We designed the modifications of the different parts of the steering system with the I-DEAS CAD system. We also made some tests,calculations and cost analyses. Our final proposal is a new steering system, which is based on the mentioned synchronous belts and pulleys. We think that the found solution is going to work safe and successfully for a very long time. It is also harmless for the nature and the environment.

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