Today was our last day of the work experience program. I really wish we had more time! We met at the Sanford Facility, where they produce skid steer loaders in large quantities. We first met up with Mr. Kareem Gad and Mr. Austin Flint — they are both electrical engineers. They gave us a quick presentation on the different machines they produce at the plant — after going over safety rules, of course. We then put on our safety glasses and some headphones and went to the assembly plant. Mr. Gad toured us around the plant — he spoke through a microphone that attached to our headphones because it was so loud. Lots of different machines are being moved and worked on at once, prompting the need for headphones. Once again, I can’t describe a lot of what I saw — for confidentiality — but I attached some pictures I found from the internet (searching “caterpillar assembly”) that look similar. I was amazed by the raw scale of the plant — the Sanford plant is famous for its speed and efficiency. Mr. Gad and Mr. Flint showed off their different machines — just produced from the plant and being tested in their testing facility. After touring the Clayton facility, it was really interesting to see how it is done in a different facility. We then met with some people involved in fabrication at the plant — Mr. Morgan Timney is a design engineer helping out with the fabrication process and Mr. Jimmy Wood is the production manager. Mr. Wood gave us a presentation on the fabrication process and taught us about welding. They then gave us a tour around the Fabrication Plant — once again, confidential, so I attached photos from searching “caterpillar welding.” The Fabrication Plant was really cool — I have never seen anything like it before. We were once again reminded of the amazing skill of manufacturing engineers (from our first day at Caterpillar) observing the efficiency of the plant.
After having a really fun lunch at Fat Junior’s (Mr. Combs actually joined us during lunch!), we went back to the facility to learn more about design and test engineering at Caterpillar. We learned more about the engineering design process and were shown examples through some CAD drawings of different parts of their machines. I have attached a photo as an example of the design process. One of the difficulties of design engineering is creating a stable, efficient, and easy to assemble product/part/machine. Testing helps an engineer identify problems with a design — endurance testing, for example, can help them identify areas of high stress where the material may yield. We were given a presentation on the different types of stress applied to an object. We were given a paperclip and told to tug it, bend it, and break it. To break it, we had to bend the paperclip back and forth multiple times — this is an example of fatigue. The presenter was an analyst who created engineering simulations. The simulations show areas of high stress as a result of load — these areas of high stress may need more support to ensure that they do not yield. Mr. Gad and Mr. Combs also enjoyed the presentation and brought up some interesting questions and topics of conversation — the huge number of different variables that must be taken into consideration in design engineering is truly amazing. They remember learning many of the things we talked about in college — every course and lesson really does have an important real-life application. The simulations were really impressive — I have attached a photo and video as an example.
We then went back out to the testing facilities. Like we did on our second day, we got to test a strain gauge. This time, it was attached to more flimsy steel, so Matthew, Atticus and I had a little competition trying to bend it — we were able to compare the results on a graph afterward (I lost). We also got to see the strain gauge on an actual machine and learned about what it was measuring. We then returned to the building for a 3D visualization presentation and demonstration. I’m not sure how much I can reveal about that, but basically, we were able to look at a machine with a virtual reality system — I have attached a video. We ended our day there — we gave out some gifts and then left the building. We were all really sad to say goodbye to Mr. Combs, Mr. Gad, Mr. Flint, and Caterpillar in general. My experience at Caterpillar has made me confident in my desire to pursue engineering — maybe one day I will return as an intern in college!