Scott Wald Final Project: Mixed Techniques
Process
To start, I sketched out my design on paper before entering Fusion. This allowed me to think ahead of what sort of dimensions I was looking for in the first place. Then on Fusion, I went to the gear parts and picked out bevel gears that worked together. Ryan helped me understand how some of the numbers on gears work so that I was able to pick these gears that work well together. After this I sketched out all of the rods I was going to use in my gearbox. This allowed me to work around the gears and build up the box from the inside out. In this way I was able to better visualize what I wanted my end result to look like. I used a box building technique similar to that of project 2, but unfortunately more time consuming. One my models were complete I started cutting and printing. Cutting was interesting in the sense that plastic cuts actually come out very well on the laser cutter compared to wood since the plastic doesn't really burn. Ryan found me an acrylic cement for these laser cut pieces which essentially melted down acrylic in contact with other acrylic. This meticulous chemical handling was pretty cool, but I don't think I will use dangerous/toxic chemicals like that very much in the future. Finally, I super glued the rest of the pieces together and the box was complete.
Result
One way that I decided to approach this project was to create it all in one file. In this way Fusion was just a sort of workbench for parts I wanted, didn't want, and parts I was still in the process of creating. Because of this I was able to easily reference past sketches and other parts, but once I got past part number 18 it got a little harder to keep track of everything that was going on. One solution I found was simply just deleting unwanted parts. This method of taking out the trash helped me clear up room for other parts and kept my mind more clear with less bad clutter. Having all of these parts in this way also gave me convenient extrusion tools. If there was a certain hole size I wanted, all I had to do was find the rod with the diameter I wanted and move that for extrusion on a different piece.
Reflection
In the modeling process I was not aware of exactly how much everything would weigh. This resulted in the top disc being a bit too heavy for the gears to comfortably turn. Additionally I thought that the hole on the side was in the right spot to turn the crank from, but actually it is a little too low. This combination makes the gearbox not entirely work, but at a certain angle the crank does properly spin the top plate. In the modeling process I figured that the plastic may be a bit heavy, so this is why I had a disc underneath the plate to reduce the friction. Unfortunately this was not enough, but I still really enjoyed this project. I learned a lot more about how every part of a box is usable, and you really can achieve the end result from an infinite amount of approaches to making.
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