A couple points, which have been touched on a bit already.
1. There are different kinds of "good". One person may be really good at knocking out simple parts really fast, but then hit a wall or make mistakes when things get tricky. Another might be slow as molasses, but able to handle the...
In med device design we try to avoid having two parts of the same material and hardness move against each other, so my instinct would be to use two slightly different alloys. I think I'd make the bolt head slightly softer, since it's the easier part to replace. But we have to design for...
Don't forget satellites.
https://arstechnica.com/tech-policy/2024/03/spacex-building-hundreds-of-spy-satellites-for-us-government-report-says/
Seems these days if you want any privacy you need an underground facility.
Well, if I had lottery money, big lottery money, I'd be tempted to get a sizable shop space, and buy half a dozen or more similar machines from different MTBs and do a Project Farm comparison. Then sell all but the best, and do it again with another category of machines.
I do that one all the time. It's one reason I only have N#'s at the start of every tool.
I forgot the spindle thing because I almost never run in manual mode.
That's basically how I got into Dunwoody. They said my grades from high school would normally disqualify me, but because of how high I scored on the entrance tests they'd make an exception.
My advice would be to get an affordable, yet capable, machine, and start making parts on the side. When your business card says "Owner", they don't care about your education; just what you can do.
<Project Farm voice> "We're gonna test that!"
Measure the height just when your spool runs out, then measure again after it's been sitting a few minutes.
I seem to recall there was a trick about running your DNC software in "realtime mode" or something like that, to avoid timing hiccups caused by multithreading. Last I had to do serial was in Windows XP.
I've done similar things with tools like this. Keep the length of cut small, to minimize deflection force, and step down about half to two-thirds of that.
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