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A Study on Hydroforming
2022 - Present, work in progress| Steel
We spent a few days in the shop experimenting with hydroforming. where two or more pieces of flat metal are welded together at the edges, then inflated like a balloon. This process requires extremely high pressure and there is a high risk of catastrophic failure.
This process typically used in the manufacturing of motorcycle exhaust, some bicycles, and aerospace industry. In the shop, we've adapted this technique to metal sculpture, with many failures and many adjustments, we've been able to document behaviors of cold rolled steel when hydroforming, this will be usefull in the future.
Gavin holding the larger piece with the other fixed in the anvil
Original conceptual sketch
Concept traced into a cad/cam program
Cutting the steel blanks on our CNC plasma
Tig welding the edges
Fitting adapter for high pressure pump
These two shapes were cut to the same size and shape, welded alike, and formed alike, the only difference is ~10psi pressure
After many attempts, we are beginning to see results
Failure = Education
Amorphous Sculpture: Features
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