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Type: Posts; User: Milland

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  1. Replies
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    But Baldwin is? How curious.

    But Baldwin is? How curious.
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    But not by trump? 500,000 to 1 is pretty bad...

    But not by trump? 500,000 to 1 is pretty bad ratio...
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    690

    M42 is a cobalt HSS, and usually runs a little...

    M42 is a cobalt HSS, and usually runs a little higher RC for cutting tools (up to 70): High Speed Steel | M42 Tool Steel | M42 Steel , so maybe it's been drawn back a little more for "machinability"....
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    Don't budgie off your demand for a minimum of...

    Don't budgie off your demand for a minimum of three birds...

    [Not to mention his copy of (Pronounced 'Lĕh-'nérd 'Skin-'nérd), which will get you a further Free Bird]
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    A Moore (love* it) or something else? And is the...

    A Moore (love* it) or something else? And is the taper a bell shape (not conical), or a cone error? What condition is the wheel or pin? How long is the grind?

    More info (and pics) is always...
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    More critically, have you gotten his signature...

    More critically, have you gotten his signature forged on the new will yet?
  7. I'd also suggest the UHMW tape, but clean not...

    I'd also suggest the UHMW tape, but clean not only the surface to be adhered to, but the surface it will slide against. The tape is soft enough to pick up and hold particle, and so will become a lap...
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    If you're correct and the thread is indeed...

    If you're correct and the thread is indeed 1/4-32, you can buy extra-fine socket cap screws from McM and make your own:

    Black-Oxide Alloy Steel Socket Head Screw 1/4"-32 Thread Size, 3/4" Long
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    How long does hard chrome plating take? If...

    How long does hard chrome plating take? If that's an option, grind or turn the parts a little oversize, get them plated, then grind to spec.

    Hell, since I'm going full-tard here, what about...
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    2,470

    Wrong-O, you commie rat-bastard organ-dealer. Are...

    Wrong-O, you commie rat-bastard organ-dealer. Are you stealing those organs? What churches have woken up in a bathtub filled with ice, with sloppy stitches covering over the wound where their organ...
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    My second-favorite organ...

    My second-favorite organ...
  12. Replies
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    2,470

    I'm lazy, I prefer my machines do the work... ;)...

    I'm lazy, I prefer my machines do the work... ;)

    Oh, and:

    .. .----. -- / .-.. --- --- -.- .. -. --. / ..-. --- .-. / .- / ... -- --- -.- . / ... .. --. -. .- .-.. / - .-. .- -. ... .-.. .- -...
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    I don't know if this will help, or if you want to...

    I don't know if this will help, or if you want to risk it, but I've made fixturing to turn a CNC machine (VMC, but could be done on a lathe too) into a broaching machine.

    Ideally mounted in a way...
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    No technical information, but be religious about...

    No technical information, but be religious about wearing the correct eye protection each and every time you work on or use the machine.

    Treat it like a gun that's always loaded, and keep your...
  15. Replies
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    The OP wants minimal (no) radial clearance, and a...

    The OP wants minimal (no) radial clearance, and a bronze bushing usually has to have some due to need for an oil film. Too tight and there's risk of abrasive wear between bushing and shaft, or...
  16. And it's easy to buy: McMaster-Carr - Plastic...

    And it's easy to buy: McMaster-Carr - Plastic Tape
  17. It's a little tricky to describe in text, but I'd...

    It's a little tricky to describe in text, but I'd look around the table and "stack" of X and Y components, and try to figure out how to leverage them (say, with some bar stock clamped to the table to...
  18. With rails you can try "twist" and lift" tests. ...

    With rails you can try "twist" and lift" tests. Basically anything that allows a rotation or lift of the table relative to its mating section indicates wear of the trucks and/or rails, and is...
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    If you wanted to spend a bit materials-wise, I'd...

    If you wanted to spend a bit materials-wise, I'd look at a hardened, polished shaft and a slight (couple tenths) interference fit augmented PEEK bearing.

    PEEK (POLYETHERETHERKETONE) – BEARING...
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    Denis, thank you for your (health) service in...

    Denis, thank you for your (health) service in your career as a doctor.

    And take some comfort in knowing that person you were responding to is our resident neo-nazi wannabe, so likely has a thing...
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    He wants to be angry, and by god he'll find...

    He wants to be angry, and by god he'll find someone to be angry at. Not that it'll be the right target, the actual underlying dynamic that causes his fear. Instead it'll be the bogeyman (Liberals!...
  22. They're ground. Even with comp, a rolled screw...

    They're ground. Even with comp, a rolled screw has no place in a proper CNC machine.
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    Or new machines.....;)

    Or new machines.....;)
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    Ditto, cobalt stub where possible. The only...

    Ditto, cobalt stub where possible.

    The only caveat (and I have no proof of this) is that a split point might not be optimal with softer aluminum alloys or similar "smeary" materials. My reasoning...
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    More seriously, it sounds like there's a lot of...

    More seriously, it sounds like there's a lot of "stuff" in the holding path, which means a lot of opportunity for movement. I'd ditch that 3/8" full flute endmill and use a short-flute necked EM,...
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