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Challenge: Construct a Distinctive Coin Sorting Device
Overview: You are tasked with designing and building an original coin sorting system that can accurately separate U.S. pennies, nickels, dimes, and quarters. Your solution should demonstrate both technical proficiency and creative thinking, resulting in a device that is unlike existing commercial products.
Initial Sketches and Designs
Initial Sketches and Designs
Original Ideas
Sources and Research
Sources and Research
-National Academy of Engineering & National Research Council. (2009). Engineering in K–12 education: Understanding the status and improving the prospects. National Academies Press. https://doi.org/10.17226/12635
-Hibbeler, R. C. (2017). Engineering mechanics: Dynamics (14th ed.). Pearson.
-U.S. Department of Education. (2008). Helping your child learn science. U.S. Government Printing Office.
-Liedtka, J. (2018). Why design thinking works. Harvard Business Review, 96(5), 72–79.
-Wendell, K. B., & Rogers, C. (2013). Engineering design-based science, science content performance, and science attitudes in elementary school. Journal of Engineering Education, 102(4), 513–540. https://doi.org/10.1002/jee.20026
First Iteration and Design in SolidWorks
First Iteration and Design in SolidWorks
This ended up not working, the holes were in the center and the coins liked to go to the sides
Second Iteration and Design in SolidWorks
Second Iteration and Design in SolidWorks
This worked because we used an angle to push the coins towards the edge, where the cutouts were
Final Assembly and Testing
Final Assembly and Testing
The Completed Build
The Vibration System with the on/off switch
The Coin Chute with the redesigned holes
IMG_0947.MOVPractice Testing
IMG_0949.MOVReal Attempt
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