Noga
ALL. DAY. LONG.
The old school 2, 3, 4, x, x+1 bars are certainly usable, and even have their place in highly rigid and/or semi-permanent applications. So if you're really strapped but need something now, a decent bar set-up (basically whatever the best micro adjust you can find) will still be useful whenever you graduate to a Noga.
But absolutely nothing beats a Noga for general purpose indicating where you're rarely doing the same thing back to back.
But even if I was, in say a multi-op lathe + mill part where operations are fluid b/c of optimizing, I'd just buy another noga (hopefully in a different size/mounting method just for extra justification
).
They're that good. And if you're a good catalog jockey, you can buy the required fittings to use it on several bases.
My Noga baptism was as a ME co-op/intern with a bottomless budget at Imation. I was tasked with putting together an installation/maintenance kit for tape reel chucks on servo writing machines that were built on 3'x4' precision machined aluminum slabs, so no mag bases.
Use-enco/McMaster/whoever's catalog 100% sold me on a vacuum based Noga & that thing made me a damn rockstar!
Everybody from maintenance to engineering to the tool & die shop loved it & thought it was the slickest thing since sliced bread!
As you can see, I personally think going name brand on this one is worth it, and I'd definitely pay for the micro adjust head as well (edit: or base. Which is nice b/c you're never touching & flexing a long cantilevered arm. But I've always ended up with heads for some reason). Just think about it. I love a good Harbor Freight deal as much as the next guy, but you're hanging ~$150-$300 thousandth's dials & tenth's test indicators on this thing.
So fit & finish, reliability, and ease of use are paramount & I've seen (and honestly, been a party to) plenty of shoddy indicator set-ups that were a direct result of a "I'm done screwing with this aggravating POS & this is good enough" line of thought. And it was rarely actually good enough.
A Noga is just about the only other thing to match up to a Spaceball (3dconnexion 3d/space mouse) as far as stuff where if I have any say whatsoever, I'm
NOT going w/o. Which, coming from someone that spends a very significant amount of time in CAD, is REALLY saying something. I've had employers refuse to pay for both, and each time I've not lasted a week w/o just buying one myself & starting a revolution.
Anyway. I'm rambling.
You know my answer.
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