Grasshopper

algorithmic modeling for Rhino

A quick look at mounting, forming and finishing one of the panels from the Stressed Skin installation by CITA. The technique used is single-point incremental forming (SPIF).

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Comment by David Stasiuk on June 2, 2015 at 5:34am
Hi Matt- sorry for the delay. We made the tool ourselves from a stainless steel jeweler's dapping ball, and an aluminum armature mechanically cut in our metal shop. The ABB robot we used has only 6 kg of push strength, which was pretty good for 0.5 mm of steel, although it got caught a fair amount in steep areas, or in far-reaching zones for the arm. The more serious rigs are much stronger, and will also use very slow rotation on the tool (to minimize friction) as well as high quality lubricant. We made do just with off-the-shelf cooking oil, though.
Comment by Matt Hutchinson on May 29, 2015 at 1:58pm

Hey David, this is fantastic! We just got a small Kuka at CCA and are beginning explore different fabrication methods with it. Not sure if it can handle SPIF but might try with some thin copper. I was wondering if you happen to know the specs of the end effector you used? Did you buy it or make it? Any other info/sources you have on the process would helpful too! Best, Matt

Comment by Anirudh Dhawan on April 26, 2015 at 11:21am

wow, thats really cool! Beautiful results and process.

congrats guys : )

Comment by Marios Tsiliakos on April 23, 2015 at 4:59pm

Not to mention the squeaking sound :) 

Comment by David Stasiuk on April 22, 2015 at 8:56am
Thanks! Yeah, it was a wee bit time intensive: an average of 1.5 hours tooling per panel and 186 panels. Not to mention laser cutting the blanks for all the panels...
Comment by Nick Tyrer on April 22, 2015 at 7:53am

wow. That is quite an impressive process. How many panels was there? this must have taken weeks

Comment by djordje on April 22, 2015 at 4:12am

I wanted to ask you how these patterns were created, but forgot. The videos shows it nicely. Thanks for sharing it.

Comment by Ethan Gross on April 22, 2015 at 2:06am

Robot repousse!

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