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  1. try an m68 in mdi,

    try an m68 in mdi,
  2. Thread: Bar runout

    by EnderDRM
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    1,584

    The 6" off the end part.

    The 6" off the end part.
  3. Replies
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    1,096

    Or make your own...

    Or make your own...
  4. press the "machine" button. then "option" soft...

    press the "machine" button.
    then "option" soft key.
    make sure "barfeed" is not highlighted.
  5. Or the setup switch must be on.

    Or the setup switch must be on.
  6. Replies
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    3,544

    Those things chatter like crazy.

    Those things chatter like crazy.
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    um,yes it is

    um,yes it is
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    1,799

    Wow, the thought never occurred to me...

    Wow, the thought never occurred to me...
  9. Replies
    25
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    1,799

    From what I understand, cast iron cannot be...

    From what I understand, cast iron cannot be annealed.
  10. Replies
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    Just an update: First of all, thanks for all...

    Just an update:
    First of all, thanks for all the replies. Your help is greatly appreciated.
    @huflungdung, a round insert will not be practical for our application, but thanks.
    Maybe a larger rad...
  11. Replies
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    1,799

    1000 sfm? And what do you mean about aggressive...

    1000 sfm? And what do you mean about aggressive feedrate? DOC?
  12. Replies
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    1,799

    We are turning and boring a casting that is...

    We are turning and boring a casting that is hardened to 52Rc. about 3" dia. .2 per side stock removal.
    will be trying CBN for finishing tomorrow.
    Rough turning is a problem.
  13. Replies
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    1,799

    We are trying CBN tomorrow morning.

    We are trying CBN tomorrow morning.
  14. Replies
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    1,799

    turning hardened cast iron

    hi,
    We are trying to turn cast iron that is heat treated to 50RC
    have tried everything from hard carbide inserts to ceramics but nothing seems to work.
    Various feeds and speeds and doc but they...
  15. Replies
    4
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    590

    About the back chamfering,maybe this will work....

    About the back chamfering,maybe this will work.
    EZBurr Tool Company
  16. This could also be telling you that your drawtube...

    This could also be telling you that your drawtube doesn't have the same travel as it used to,indicating dirt or debris in the chuck or collet system.
    Worth a look.
    You should be able to adjust the...
  17. And you run the first part REALLY slow

    And you run the first part REALLY slow
  18. Replies
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    4,118

    An endmill with a corner radius holds up much...

    An endmill with a corner radius holds up much better for plunging. Even .01 makes a big difference.
  19. Replies
    15
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    1,862

    My thread is ugly

    1/2 -13 tap in a blind hole .75 deep in 8620 CR.
    15-50 sfm. Good flood coolant.
    11MM drill.
    Lathe with floating holder indicated w/in .001.
    Threads are badly galled looking.
    Any help would...
  20. Replies
    27
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    5,003

    So how much more does it have to be fed?

    So how much more does it have to be fed?
  21. Replies
    35
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    4,460

    Waiting for quotes drives me mad!

    Waiting for quotes drives me mad!
  22. Replies
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    1,797

    Kinda like Mazatrol vs g-code.

    Kinda like Mazatrol vs g-code.
  23. Replies
    6
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    1,294

    Is that frozen or not?

    Is that frozen or not?
  24. On a lathe, it also helps to run the spindle...

    On a lathe, it also helps to run the spindle override at 0. That way the tool will not feed in IPR until the spindle is turning and crashes in rapid don't hurt as much.
    Just remember to feed hold...
  25. Replies
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    boring silicone grommets

    Does anyone have any experience with boring silicone grommets in a lathe?
    I think I have the workholding down, but the problem is the tool. I used a 3/8 2 flute endmill oriented like a boring bar to...
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