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Type: Posts; User: gregormarwick

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  1. Celos Fanuc 31ib5 - wear offset adjustments sometimes ignored...

    On our NTX2500.

    Must be something I'm doing wrong, but I've had this happen twice now.

    Lift a wear offset on a turned diameter, like you do, to creep up on a tight tolerance. I do that, cuts...
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    Trivial with a three point bore mic, or am I...

    Trivial with a three point bore mic, or am I missing something?
  3. Our old MD was incapable of handling things...

    Our old MD was incapable of handling things gently. I'd spend days making some part with crazy tolerances, super fine surface finishes, obsess over making it perfect, lie awake at night stressing...
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    Every lathe that I have ever used has been purely...

    Every lathe that I have ever used has been purely hydraulic, no air at all. Some Sauter turrets are purely electric and don't even need hydraulics.
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    I have a keen young apprentice here who deserves...

    I have a keen young apprentice here who deserves some interesting projects. I can't promise we'll get around to them but it would be great to have the material should the time turn up!

    PM sent.
    ...
  6. That's exactly what I suggested in op's previous...

    That's exactly what I suggested in op's previous thread on the subject - OP, I thought you were going to do that, was there a problem with it?

    How much nmtb arbor/spindle contact is enough?
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    If you're talking about the same kind of...

    If you're talking about the same kind of information that would be on a drawing that is a thing that absolutely exists and is actually fairly widely used, especially in vertically integrated...
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    You know your history! Marwick name...

    You know your history!

    Marwick name
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    Only half! 50% of my ancestry would have hunted...

    Only half! 50% of my ancestry would have hunted you down for uttering such a slur!
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    I did say functional. Each and every one of...

    I did say functional.

    Each and every one of the machines in here has a blowgun hanging from the door, I assure you of that!
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    I agree, my block list is empty, and I'd really...

    I agree, my block list is empty, and I'd really prefer to keep it that way.
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    There is also the consideration that a few years...

    There is also the consideration that a few years back he littered the forum with very public threats aimed at Milacron of actions he was going to take if Thermite was not hung, drawn and quartered...
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    Advocating for the banning of a member runs very...

    Advocating for the banning of a member runs very much against the grain for me. Too many members that I liked to have around have been run off the site by brigading moralisers, such that I'm normally...
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    Lathes generally don't need air for any...

    Lathes generally don't need air for any functional reason...
  15. The entire existence of this site is predicated...

    The entire existence of this site is predicated on the notion that we occasionally want to talk about machining things in between actually machining things.

    To my knowledge, Thermite is not...
  16. From the top, this is an academic argument only....

    From the top, this is an academic argument only.

    The claim is made that it is the best material for reference purposes, the data supplied* appears (to me) to be contradictory to that claim, and...
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    Our main Kaeser has 52k hours on it now. It once...

    Our main Kaeser has 52k hours on it now. It once burst the oil cooler and was down for most of a day while they fetched a new one from their warehouse. It was down for an afternoon once when it...
  18. I think maybe I wasn't very clear about my line...

    I think maybe I wasn't very clear about my line of thought right from the beginning.

    Specifically, the use of chromium carbide as a reference set. Webber make the claim that it is the best...
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    As I recall, you're using a small Hurco right? ...

    As I recall, you're using a small Hurco right?

    As such, you should really avoid milling chucks altogether, on a 40 taper the gauge length completely negates any benefit they provide.

    Most screw...
  20. Nobody has offered anything compelling yet... ...

    Nobody has offered anything compelling yet...

    What actual, quantifiable, not anecdotal, benefits does chromium carbide offer over zirconia?

    According to Webber's own table that I linked...
  21. Yes, that's effectively what it says on the S-W...

    Yes, that's effectively what it says on the S-W site.

    However I can find nothing to back it up.



    Durability it seems is demonstrably inferior to tungsten carbide, and stability is apparently...
  22. Chromium Carbide / Croblox gauge block material

    The recent thread about the Starret Webber gauge blocks got me curious about Chromium Carbide / Croblox as I had never really consciously recognised that they were something different. Starret Webber...
  23. Looks like it drives from the retention balls? ...

    Looks like it drives from the retention balls?

    Never seen one like that before...

    I guess that would work if the balls run in tracks in the chuck itself, not sure if that's always the case or...
  24. Seymour, just so we're on the same page, the...

    Seymour, just so we're on the same page,

    the boss diameter on a size 1 adapter is 19mm, size 2 is 31mm

    I have a size 1 adapter for a 14mm shank / 11mm square, which is the shank size of a din...
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    I don't know if they're easily available in the...

    I don't know if they're easily available in the states, but Reime Noris (up there with Emuge as the best taps I have ever used) and UFS both do aluminium specific form taps with some application...
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