this post was submitted on 10 Mar 2025
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Science Memes

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I propose a new ASME standard, the Scaling Banana™.

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[–] Bad_Engineering@fedia.io 10 points 1 day ago (2 children)

Just a 3 axis and a custom fixture.

[–] danekrae@lemmy.world 10 points 1 day ago* (last edited 1 day ago) (1 children)

Nice. Any photos of that? I like to show my students that they can hold anything, if they plan it correctly.

I thought about making that myself, but could never get the time.

[–] Bad_Engineering@fedia.io 8 points 1 day ago (1 children)

I put the pic in the comment, it loaded on my side so idk whats up. But basically, I did it in 2 sides. The back side had its roughing and finishing pass done while clamping the billet. The front got its roughing pass again clamping billet. It was supposed to leave .020" thick tabs to keep it in the billet for the finishing pass but they ended up breaking off. So I used the cad drawing to cut an exact pocket of the banana in a piece of wood. The banana fit pretty snuggly into the pocket so I just used some silicone sealant I had on hand to keep it from lifting out during finishing.

[–] danekrae@lemmy.world 2 points 1 day ago

Aaah, thanks. I can see it if I go to Mander. Here it is, if anybody else has trouble: https://fedia.io/media/80/bd/80bd7c28292165689d435a55a1db896a01f14fde46edd8104066e30c2543a62a.jpg

[–] ramenshaman@lemmy.world 3 points 1 day ago

That's impressive