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Originally Posted by iaefebs
Ok I'll take a guess. Because the center of the round piece is threaded. The posts you machined are threaded. The connecting piece is a clutch? Or a pump?
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I'm not totally sure which piece you're looking at but the one that is on the granite between centers is for a piece of equipment that is inserted down a hole that has been drilled into the earth, where is spins at 80,000 rpm while emitting microwaves. It's used once then it's dead. It is used in assessing the yields of oil and gas reservoirs. The Astrolab stamped piece is some sort of an electrical component I'm pretty sure because it actually had to be silver plated over the brass which is what you're seeing.
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Originally Posted by Dan
I know you're not trying to be, but that is pretty impressive BB. Making stuff is pretty cool. I make things in the garage but not to any specs. Being a machinist is an art and science I believe.
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It is a very satisfying job, and I'm fortunate to have it. It does take an interesting mix of skills to be good at it, because like you mentioned it takes both creativity and precision. It's becoming increasingly hard to find people who are able and willing to do this work. A lot of smart people don't like being on their feet for 10 hours a day, etc. Kids these days don't want to have to work hard.
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Originally Posted by Varmintman
Dang BB I dable a bit on my mill and lathe but it would take me a month of Sundays to machine that one rack. Dang last time I chucked anything up in a mill it took me 45 minutes to get it within .001.
I have used a point to point some and wrote code for them but you know the tech changes so fast that if you do not keep on top of it you loose it. So I just tinker around making useless stuff I will use someday 
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Things change constantly. A thou would be hard to work with on a lot of these parts, it probably wouldn't be wise to post the print I'm working from on the Internet but I'm holding .0002 on many of the dimensions on what I'm currently working on. That cart full of parts is these things, they are actually two pieces which I make separately then machine together at the end, them do a little assembly work. Here's a few other things I've been working on. Ok I am showing off now Dan
