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    Sinumerik 840d

    Typically early versions of that controller don't have all of the beautiful graphics on the interface. I suspect it's just an age thing in your case. Would be pretty rare for somebody to adjust any of the relevant params outside of the factory install.
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    2.375in hole in 17-4

    I think I'm pretty convinced that's the way to go. See my previous post, how do I hang on to it in this little machine!?
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    2.375in hole in 17-4

    Dumb question. If I get a Sandvik 880 at that size, it has as 1.5in shank diameter. What's the best way to hang onto that big ass shank in a mill? CAT40 1.5in sidelocks seem to be a bit rare, and would require grinding a flat.
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    2.375in hole in 17-4

    12.5in OD slug. In OP1 it goes from ~200lbs to ~40lbs. This picture of the pocket feature might make it a little more clear why I don't think it's worth the hassle of punching the hole out on the lathe. Total cycle time for that hole is less than 15 minutes. Total roughing time for the...
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    2.375in hole in 17-4

    Please do tell what you recommend, because this was my first inclination as well, but I can’t find anything that holds up well in 17-4, but doesn’t want to tear the part out of the vise. I do a bunch of pocket work on this part with a .875in Mitsubishi high feed, and the MRR on that tool is way...
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    2.375in hole in 17-4

    I have a stack of 17-4 (A condition) round slugs here. They need a bunch of milling done, but there is a through hole in the center of the part that is 2.5in diameter by 4.5in deep. What's the best way to generate this hole? It's on my Okuma which is ~30HP, 40 taper, dual contact. Right now...
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    For those in PNW/PDX . . . where do you take your chips?

    Just got a check from Metro. Not sure if my memory is foggy or just the price moving all over like it does. $0.45/lb for 6061 chips. $0.66/lb for 6061 drops.
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    Another Slow down Thread

    If YouTube CPA's are anything like YouTube machinists, then there are about 2-1/2 good ones, and then a whole legion of clueless morons pretending to be experts for a camera. Seriously though - I actually found a lot of value in the original topic here. Was hoping this would jump back on the...
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    Mikron UCP 600 - Heidenhain iTNC530 dead pc?

    Incoming power appear to be just fine so far. Machine booted back up the following morning, and then the PC died again after about 30 minutes. GF support told me to pull the hard drive out (it slides down out of the PC unit in the cabinet), and reseat it. I went ahead and did that, and it...
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    Have you ever met a machinist that was better than you?

    Another thought - I have hired many great people who were the wrong fit over the years. If this is still your first hire, don't let it sour you forever. It takes a long time to build a good crew, and to learn what exactly you are looking for in said crew. Expecting to hire somebody to just...
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    Have you ever met a machinist that was better than you?

    I know a few that are in the same league as me, and one or two who may be better. They all command pretty hefty salaries and have very cushy gigs. I always thought of it this way; I would not have worked for a shop like mine a decade ago, so it is unreasonable to expect to get somebody equally...
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    Major Rusting Issues In Our Building All Of A Sudden??

    Holy crap! That is insane. So tell us about your machine coolant. You mix with DI water? Is there mist contamination? Maybe it went bad on one of the machines all the sudden.
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    BK Mikro Tool Break Detection

    That is fun. Years ago I saw a camera system on FANUC Robodrills that could do a pass/fail tool check without even slowing down the turret head. Can't seem to find a video of it now. I think that might be what Dan is remembering as well.
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    BK Mikro Tool Break Detection

    I have used "the whip" on DMG MORI Duoblocks before. Worked great. Checks the tool on the way out, then checks it again on the way back in. For a simple pass/fail, they are fast and effective. The resolution is not very high, so I don't think it would work great for micro tools or tools that...
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    Mikron UCP 600 - Heidenhain iTNC530 dead pc?

    About an hour ago, the screen on our Mikron just went black, and it e-stopped in the middle of a cut. Machine has been running 24/7 for about a week. No signs of anything out of the ordinary. When I boot the machine, everything looks normal, lights come on, etc... But the main drive shows...
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