Sunday 22 February 2015

Reflection 2: Tinkering with 3D printers

My group and I have been tinkering with 3D printer for the past 3 classes (which is a total of 4 and a half hours). It seemed a daunting challenge since none of us had any prior experiences with 3D printers, yet we knew it would be fun. When we started using it, we couldn't even figure out where which cable had to be connected. But soon we could figure all of that out and we made a quick design on solidworks and started to print. We were really excited that it was starting to print since we were the first team to actually design something and get it to start printing. But just when we started printing, it all took a turn to the worse. One of the 2 rods for the z-axis fell right into our hands because the tube connecting the frame and the rod shrunk. So we had to get a new tube and fix it up again. But we still couldn't get it to print.
In the next class we figured out that we attached a tube which was slightly too long so we took out the screws and cut a small part of the tube off. And we tried to print something again. But then something else happened and we figured out that the thermocouple wasn't working so we couldn't measure the temperature of the nozzle. By the time we could fix it, class was up.
So we cam back next class and tried fixing the thermocouple. We had to remove the whole nozzle and remove the thermocouple. We tried attaching another thermocouple to the nozzle but we were not successful with it. By this time, every other group had started printing their designs after fixing their printers. We started to become really frustrated at this point so we put the original thermocouple back in place and tried to see if it worked or not. But sadly, it didn't so we decided to give up on the printer.

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