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    Selection Bias and Economics. Selection Bias:...

    Selection Bias and Economics.

    Selection Bias: apparently a fair number of ancient and medevial structures fell down, were knocked down, or destroyed by fire. if you look for videos of Castles in...
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    My 1" inserted mill kit arrived (a few days after...

    My 1" inserted mill kit arrived (a few days after I posted above - so the 'december' thing is some kind of web glitch.)

    I've not cut anything with yet - but the shaft fits very well in the holder,...
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    Chaplain towers south - cement high rise - fell...

    Chaplain towers south - cement high rise - fell down suddenly, many killed, others destitute.

    This bloke on youtube (one of the best 2 or 3 on this) does a nice series. Start a couple months...
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    It's actually code that rebar be supported like...

    It's actually code that rebar be supported like that Ox - it was explained to me that one way rebar fails is that water reaches it, rusts it, it expands when it rusts, and that expansion breaks the...
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    ... with an Earthquake predicted for Wed...

    ... with an Earthquake predicted for Wed afternoon...
  6. I'm with Milland on this. One trend over the...

    I'm with Milland on this.

    One trend over the last say 3 decades is that CNC machining has become commoditized - so there are ever more such machines sitting ever more idle in funky corners of the...
  7. @gregormarwick - there are businesses where " do...

    @gregormarwick - there are businesses where " do random things and see what sticks" seem to be the core of success. Google's ancillary services (3 or 4 different messagers, various different things...
  8. Haas is, like any real business, engaged in a...

    Haas is, like any real business, engaged in a kind of search process. They made a set of "profilers" in the VR range of 10+ years ago. Sold a few but ran into limits. They come back around with...
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    How difficult, and what payback, to insulate the...

    How difficult, and what payback, to insulate the shop building? (Do you own it or lease?) Can sometimes be a huge hassle as well of course...
  10. So PrisaPrisa - the bar-fed mill-turn idea is...

    So PrisaPrisa - the bar-fed mill-turn idea is serious. Live tools. Good controller. You might be quite suprized at the moves that be emulated on an ZXC lathe with a live tool - you might not...
  11. What Aaron said. There's still lots of talk...

    What Aaron said. There's still lots of talk about working as an eningeer at say MSFT. I did that for 20 years. Here's the thing the people who think they'd love those jobs but couldn't possibly...
  12. A note on rolling tool boxes - a while ago Robin...

    A note on rolling tool boxes - a while ago Robin Renzetti pointed out a particular unit from Harbor Freight is actually decent. Stunned and went and looked, and found he was right. MInd you, the...
  13. EG all you are really arguing is that throughput...

    EG all you are really arguing is that throughput per day or per week or shift or some such is what matters, generally not throughput per part.

    Tony's point is that time is money, floorspace is...
  14. I'm Bryan and I'm a tool/part/thing piler.... ...

    I'm Bryan and I'm a tool/part/thing piler....

    OK, what do I observe helps?
    1. The "crap" on the bandsaw isn't crap, it's work material that will likely soon be needed. But it is homeless. ...
  15. Any business is an ongoing search through a space...

    Any business is an ongoing search through a space of combinations of equipment, staff, software, skills, customers, products. The speed of the machines is 1 variable in the very very long equation...
  16. Actually, I think it's squeeked about the same...

    Actually, I think it's squeeked about the same since the day it came from the dealer. But it occurs to me that it cannot be all *that* complicated, so I should figure out how to inspect it...
  17. Given that people set up machines to machine...

    Given that people set up machines to machine carbon electrodes for EDM, and other folks use VMCs as grinders, one would assume the required protective measures could be copied from those...
  18. You are tagging on to a 7 year old post - might...

    You are tagging on to a 7 year old post - might be better to start a new thread.

    That said, keep in mind that the difference between glossy and "not-glossy" might well require "surface texture" -...
  19. Same for FDM - there are a *whole lot* of...

    Same for FDM - there are a *whole lot* of filaments, some which require beds, enclosures, or print heads that aren't on run of the mill commodity FDM printers.

    This guy is a little goofy but...
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    It was at IMTS, probabably 2004 or 2006 - so an...

    It was at IMTS, probabably 2004 or 2006 - so an older machine. The part was not very large, but seemed to have a lot of features. I hadn't really started machining yet (didn't even have a mill in...
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    Right. And thinking back to the first hydromat...

    Right. And thinking back to the first hydromat I've ever seen, at IMTS, running. It was spitting out a part pretty fast - 1.8 seconds? 2,000 per hour? Something like that?
    (It really was...
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    Riffing on cameraman's question - what are the...

    Riffing on cameraman's question - what are the cost tradeoffs between something like a hydromat vs a row of simpler machines with some kind of robotic transfer and feeding?

    The MultiX refered to...
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    PeteM while your post is fundamentally correct,...

    PeteM while your post is fundamentally correct, there is one "gotcha" - (which is NOT an argument against getting vaccinated...)

    All sorts of things can create evolutionary pressure, and cause...
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    My Haas integrated drill chuck arrived - and it's...

    My Haas integrated drill chuck arrived - and it's NOT a duplicate for a Techiks unit - shorter gauge length by quite a bit (not that that usually matters with a drill chuck) - did not include wrench,...
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    You REALLY need to get this kind of demo/test of...

    You REALLY need to get this kind of demo/test of whatever you go with , AND be aware that the scanner hardware is only part of the problem. Will it spit out a point cloud? OK, how do you reduce...
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