Mechanical Engineer @ Carnegie Mellon University
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A continous prototyping process.
An iterative design process.
A CNC machining experience.
A manual machining experience.
A 3D-printing and laser-cutting experience.
A design and laser-cutting experience.
For my first-year mechanical engineering course at CMU, we were assigned to create a car powered by mousetraps that would complete a curved course:
There were 2 basic requirements:
We were given about 3 months to design, prototype, and create a final model that would meet these requirements.
My team and I wanted to have the fastest car. Therefore, we focused on minimizing our car's weight and maximizing its propulsion force and traction. To do this, our process included:
Here is our prototype completing the course (note this video is in slow motion -- real time was about 2 seconds):
Here are multiple views of the final design:
This was our final car after we built it:
In the end, my team's final product was able to complete the course in just under 2 seconds! This time placed us in the top 10 of all teams among the first-year MechE class at CMU.
In 2018, I joined the Carnegie Mellon Racing team. Each year, we build an electric racecar to compete in the Formula Electric competition.
I worked with a team of 4 to design the firewall and closeouts for our car as part of the larger driver ergonomics committee. We were given the following limitations on our design:
From the rules we were given, I developed our first draft of the firewall via Solidworks, which was largely flat and very simple in shape.
As other departments of the CMR team developed their own designs, I continuously made modified versions of the firewall to fit around the other parts.
Once my team supervisors approved the final shape, I designed tabs and selected nuts and bolts to attach the firewall and closeouts to the chassis.
This is the final design:
After we had developed our final design, we moved on to fabrication. We had our tabs cut by waterjet and grinding, and the firewall and closeouts were made from sheet metal using a bandsaw, sheet metal bender, and metal shears.
We then welded the tabs to the chassis like so:
We machined the firewall and closeouts out of an aluminum sheet using a bandsaw and attached them onto the car with the nuts and bolts I had selected.
Our car participated in Formula North SAE, taking the first place prize in multiple categories including Overall, Design, Cost, Acceleration, Skidpad, AutoX, and Endurance.
This was our finished car:
In my first year mechanical engineering course at CMU, I was given a dimensioned drawing of Hamserschlag Hall, one of the engineering buildings on campus, and tasked with recreating it in solidworks.
This project was my first experience with laser cutting and 3D-printing using the Carnegie Mellon equipment.
While simple, this experience helped me familiarize myself with the processes for laser-cutting and 3D-printing at CMU.
This project was a Christmas present for my brother. He's a guitarist and I wanted to make something personalized for him, so I decided to make a necklace shaped like a guitar pick with his band's logo engraved in the center.
My brother loved the present, and I was glad that I was able to apply my engineering skills to make him happy.
For my manual and CNC machining class, we were each required to make a final solo project. I had heard of a Turner's cube as a classic machinist's project, and decided to make one myself.
This project allowed me to practice a large number of skills including Solidworks modeling, Mastercam, and manual and CNC machining.
In my machineshop course at CMU, we were assigned to make a tic tac toe board given drawings and dimensions.
The finished project looked like this:
This project allowed me to practice my manual and CNC machining in the CMU machineshop. Plus, now I have a great game to play on the go!