One of the first steps we had to do before starting the construction of our sorters, was to solder our vibrating mechanism together. We connected a motor, with an offset center of mass, to batteries and a switch. We then had to incorporate this into our final product.
Then came the rest of the construction. This included tracing all the cardboard pieces, cutting them out, and gluing them all together
My construction even included 3D printing the inserts for the drawer bases
...And re-soldering my motor, since I accidentally snipped the wire while I was working
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3D Printed design #1:
Ultimately was the most effective design of the 3, though at the time was not as efficient or accurate as I wanted, so I began to redesign with chamfers around the wholes to help guide the coins to fall through
3D Print Design #2:
(First test)
Chamfers ended up working against the machine. I would have to get the ratio to be large enough for the nickels to fall through, but small enough that the quarters don't get stuck in the chamfer outline.
3D Print Design #2:
(Second test)
The first test was so significantly worse than my original design, so I wanted to run another test to see if it was a fluke. It was not. The nickels were physically incapable of fitting through the first holes.
3D Printed Design #3:
This was the final design I had come up with before our time was up for constructing. Though nothing was technically wrong with it, the original design still seemed to work better, and was a lot more accurate than this one.