Tuesday, May 20, 2014

Process of Design and Construction

attempt to cut the frame!
aligning the frame.
We used two four foot steel squared rods ravished from Rani's shed and Matthew's garage for the base. We measured the rods at the two foot mark using a scribe and then cutting at that mark with a power saw. We then cut out corners for the rods so they could meet the two by two feet base requirement. Using a triangle or square we then aligned the rods (four rods were cut out total) for a precise frame and then welded the corners together using a wire fed welder (Hobart handler).

welding has begun!
After the frame was welded together we then moved into making the support beams. Two more square shaped rods were found and attached to the sides of the base. The only cutting done were the beams that were set in a triangular shape for optimum support on our main support beams. Same process was used to cut the smaller beams with the power saw and then welded using tack, snake, and booger welds. Some metal parts needed touching so we decided to grind the areas that were needed to be shaved off.
  A hole was made on our arm from a foot length to where the circular rod will go through to hold our arm on the beams. The circular rod then was welded to be part of the arm. We added pillow block bearings to the support beams by adding two holes on each beam using a power drill and screwed on with four bolts and four nuts total. The measurements were made with a measuring tape around two feet from the beams so the arm extended would not exceed five feet total in height. We then took the left over metal and welded it to the base where our trigger mechanism will be located (also drilling another hole in both the arm and the metal beam that would be connected to the arm). A pin was made with an attached string to be placed to hold the arm to the other metal beam.
The sling was made with excess seat material from Matthew's jet ski and yarn. We also took excess metal that was clipped from the pin in our trigger and used for our hook that we welded on at the tip of the arm and bent at forty-five degrees that was measured using the triangle. Then it was spray painted and minor adjustments were made such as cutting the length of the hook with wire cutters.

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