The Blister



THE BLISTER

Within this week’s lecture, we were being assessed on shaping and forming a blister from metal sheeting. When we presented ourselves within the design labs, we came were introduced by Russell who gave us a theoretical lesson on how to form and shape the blister. We were instructed that we will be forming our templates via CNC Machines which Edward had cut for us. 

CNC Machine creating the templates
One we had both of our templates, we had to cut the holes within the template, as our metal sheet would sandwich in between the two templates. We used screws to hold both plates together so it doesn’t shift when we are forming our blister with a nylon mallet and corking tool. 

Using Corking Tool to hit the edges of the Sheet Metal
When I had my templates and tools, I clamped the templates on both sides of the work bench. Initially, I used the nylon mallet to hit around the middle of my metal sheet so it can get some shape. Then to get the shape around the sides, I used the corking tool I had made in the workshop to hit the edges, so it can get some definition within the shape. My hits were strategic, as I was being careful I wouldn’t puncture the metal sheet by stretching it. 

Forming the Shape of the template

After the shape was established, I unscrewed both sides of the template and the finished product was as per the below.
 
Final Blister
Looking forward for the fuel tank.

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