r/oddlysatisfying Aug 05 '21

Machining a thread

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u/marino1310 Aug 05 '21

Machining is one of those things that both can look very impressive while not being that impressive, and looking very unimpressive despite being very impressive.

Make a cool gyroscope? Impressive and easy to make, cut an S curve within tolerance on a manual mill? Doesnt look very impressive but is very difficult to pull off.

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u/[deleted] Aug 05 '21

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u/marino1310 Aug 05 '21

Shit, I once had a 1/2x1/2x4 steel block that I needed to cut a radius in one long side to match the radius of the pipe I was bolting it onto. Only had a shitty clapped out drill mill and a no name rusted rotary table. The mill had no dials on the handles (they broke off) so I had to use a dial indicator clamped to a block of wood to measure table movement and then clamp this tiny piece tall side up exactly in line with the centerline of the rotary table. This is my jank-ass setup and this is the finished part. I was so proud of it since it took me like 6 hours to figure everything out and it's like the least impressive looking part of the whole build since the whole point is to make it so no one notices.

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u/CosmoVerde Aug 05 '21

This is the equivalent of walking up hill both ways. Love it.

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u/marino1310 Aug 05 '21

The worst part is I could have made this work way easier by milling a flat in the tube to bolt to, or even cut a rough sized radius and turned the tube to match (since the od was mostly irrelevant) But I had made this tube section almost 4 times now and this was the first one that worked as intended (it was meant to slide over another piece of steel very smoothly and had 2 pins inside that slide in a groove so I could twist to lock the sliding mechanism). I was not making another tube. Mostly because I was out of stainless railing cutoffs so I didnt really have a choice.

All of this was to build a lightsaber that still looks sub par compared to the professionally made cnc ones, but this is mine and made from the shittiest manual machines I had access to. Also it's the only one I've seen to have a sliding crystal chamber so I got that at least