Sunday, May 20, 2018

Week 5/16-5/20 Final words

The prototype was finally completed. There were a few modifications that were made, differing from the final design of the CAD model. The third structure on the bottom was scrapped as it had a geometric flaw. This week consisted of fabricating the bogie. Fortunately, there were uni-struts that was available to us. Drilling through uni-struts was probably the most difficult task as they are very thick and strong. If the bogie could have been this simple in the first place, it would have more room for optimization. Uni-struts were not the ideal material in this application but it was the most available. Sheet metal is a very useful material as you can shape it to be anything and this project demonstrates that. Fabricating the bogie was probably the most interesting and exciting part of this project. I'm still proud of my work as the structure that holds everything together was improvised. The design process was fueled from needing to build a functional bogie on time for Maker Faire. The belt was the main issue but if there was more time, a more suitable belt could have been found.


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