2.007 Recap (or How My Robot Will Beat Me At Operation)

Posted On: May 12, 2013

Another great class. Since a fair number of my fellow MechE’s had robotics experience on their high school’s FIRST robotics teams, I came into this class feeling a little outmatched. I hadn’t had much Solidworks experience beyond making and cutting simple shapes, and I really had no experience building structures, joints, mounts, etc., all the practical bits that make mechanical things… well… do stuff. Nevertheless, if there’s one thing that MIT has taught me, it’s that diving in is the best way to learn. They give us the opportunity, we supply the effort.

And so we began. Thankfully, we started out with some tutorials in CAD modeling, as well as primers on some of the more useful mechanisms discovered in the past few millennia of engineering. We also had primers on electric motor modeling, tolerances and robust design with error margins, and a practical recap of the structures we learned in 2.01/2.02B.

With some mechanical basics under out belts, we started designing for the competition. The challenge this year was quite a throwback; Hasbro’s “Operation,” except blown up huge with Tim the Beaver, our fearless mascot, going under the knife.

board3d

The board has many differences, all in an attempt to give us a variety of tasks. One could extract a steel wrench from the ankle, perform a minimally invasive surgery on butterflies in the stomach, replace a torn ACL with rubber bands, remove some ribs (I still don’t have a clue what was wrong with them), expand a stent, or fMRI scan Tim’s “brain” to see what he is thinking. Whelp, the number of activities were nearly overwhelming. Add in the point values of each, though, and you can narrow them down pretty quickly.

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