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  1. Thread: Cosmos c732

    by implmex
    Replies
    2
    Views
    197

    Hi Flipz87: It looks like a bog standard import ...

    Hi Flipz87:
    It looks like a bog standard import wire EDM, about like the Chmer that I own.
    Mine has been good for me but it sure ain't no Makino or Charmilles or Agie...it's a Chevy, not a...
  2. Hi car2: Good to hear that it's all working out...

    Hi car2:
    Good to hear that it's all working out well now.

    However, I'm still a bit puzzled regarding the difficulties you describe and I see them as unusual.

    I've cylindrical ground an immense...
  3. Hi winklershop: You can buy 17-4 PH annealed...

    Hi winklershop:
    You can buy 17-4 PH annealed wire from Washington Alloys.
    It's sold as welding wire in spools as thin as 0.020"
    You can also buy 18" long sticks at Dytron as laser welding filler...
  4. Hi metalmagpie: You want to make a reproduction...

    Hi metalmagpie:
    You want to make a reproduction part that looks as well as functions like the original.
    To you that means casting it just like the original was done.
    I get that, but have you...
  5. Donie, do you really intend to poison every...

    Donie, do you really intend to poison every thread in which Thermite shows his face.
    This is getting to be a real nuisance, and it's not helping anyone with anything.

    Those who like Bill will...
  6. Replies
    49
    Views
    2,093

    Hi Limy: You OWE me...I just about pissed my...

    Hi Limy:
    You OWE me...I just about pissed my pants laughing and spat coffee all over my monitor:D.
    You DO realize you've managed to offend a lot of people in one trenchant post!

    So do we still...
  7. Replies
    17
    Views
    693

    Hi TeachMePlease: I certainly hear you and agree...

    Hi TeachMePlease:
    I certainly hear you and agree fully.
    It's almost as bad as the dental implant game; a gazillion different threadforms for a glorified wood screw.
    I was heavily involved in...
  8. Replies
    17
    Views
    693

    Hi again FilandFran: Is it OK if you take the...

    Hi again FilandFran:
    Is it OK if you take the sample and butcher it on the wire EDM?
    I ask because often times the easiest and most accurate way to interrogate something like this is to split it in...
  9. Replies
    17
    Views
    693

    Hi FilandFran: That looks an awful lot like part...

    Hi FilandFran:
    That looks an awful lot like part of a hip fixation device I prototyped a few years ago and posted about the threading challenge on Practical Machinist.

    If my guess is correct and...
  10. Replies
    49
    Views
    2,093

    Good morning All: I just came back to look at...

    Good morning All:
    I just came back to look at this thread only to discover a big pisser going on between thermite and donie.

    What the Hell??
    How does this help anyone?

    Cheers

    Marcus...
  11. Replies
    49
    Views
    2,093

    Hi All: With regard to rake on the tool, you...

    Hi All:
    With regard to rake on the tool, you have a couple of options to get both rake and preserve your form.
    The first and most obvious is to grind a ditch into the top surface of the tool such...
  12. Can anyone recommend a VFD for a 5 hp 3 phase motor

    Hi All:
    I'm looking to replace a motor on a Deckel mill.
    I've got a nice 5HP 3 phase motor I could use.
    I'd like to put a VFD on it that has single phase 220 volt input, so when I sell the mill...
  13. Hi metalmagpie: 954 aluminum bronze is one of...

    Hi metalmagpie:
    954 aluminum bronze is one of the better aluminum bronzes to machine but it's still a bit of a bitch to deep drill, to ream or to tap.
    Turning and milling it is pretty easy by...
  14. Replies
    49
    Views
    2,093

    Hi murrey89: Finding someone who can make...

    Hi murrey89:
    Finding someone who can make accurate threading inserts is possible.
    It's just a matter of how much time and money you are willing to put into the search and the purchase.

    The real...
  15. Good point D Nelson: Normally I wouldn't even...

    Good point D Nelson:
    Normally I wouldn't even consider billing it that way, but I did tell them about the compressor as soon as it happened and they still begged me to run the job on the manual.
    ...
  16. Billing a part milled manually that was supposed to go on the CNC

    Hi All:
    I've got an ethics question for you all about pricing:

    I got a little job a couple of days ago.
    It would take maybe 3 hours to do on the CNC mill.
    It's cost plus...no quote.
    They are...
  17. Replies
    16
    Views
    733

    Hi again Mud: You wrote "I've confused myself....

    Hi again Mud:
    You wrote "I've confused myself. Again."

    No the spec confused us both and now nobody will ever know!
    Scholars will have scholarly arguments and hate each other for a thousand...
  18. Replies
    16
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    733

    Hi Mud: Here's the part of the spec that I...

    Hi Mud:
    Here's the part of the spec that I interpreted the way I did:
    "The internal spline is held to basic dimensions and the external spline is varied to control the fit"

    I read that to mean...
  19. Replies
    16
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    733

    Good morning All: Sadly I lied to you all in...

    Good morning All:
    Sadly I lied to you all in post #4.
    The specification referenced by the OP clearly states that the FEMALE spline is nominal and the male spline is adjusted to suit.
    I got it...
  20. Excellent point, David. But whatever way the OP...

    Excellent point, David.
    But whatever way the OP is spinning the revolutionary nature of his innovation, the point remains that it's still not a business to get into casually.
    I made the case that...
  21. Hi Emmeline: Do you have any idea how big a...

    Hi Emmeline:
    Do you have any idea how big a press you need to make roof shingles by injection molding?
    It's a LOT bigger than what the OP is proposing to offer.

    On another note; just how long do...
  22. Replies
    16
    Views
    733

    Hi panscan: Make the profile of the nominal male...

    Hi panscan:
    Make the profile of the nominal male spline in Mastercam using the Gearhook utility you're accustomed to using, with the values for the male spline.
    Then do an offset contour in...
  23. Replies
    59
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    3,246

    Aahhh Terry: But it actually increases in...

    Aahhh Terry:
    But it actually increases in volume, and when we measure a cube before and after HT it's "grown"
    Actually it's inflated like a pillowcase with air pumped into it.
    This is because the...
  24. Replies
    16
    Views
    733

    Hi panscan: I can't speak to the tolerance...

    Hi panscan:
    I can't speak to the tolerance requirements of the spline but I can offer some recommendations on how to determine if you got there, especially on an internal spline.
    As you know, the...
  25. Replies
    8
    Views
    536

    Hi Avitolaf: Try running a very simple program...

    Hi Avitolaf:
    Try running a very simple program to cut a straight line.
    Here's one for you to try:

    (CHMER COMP TEST)
    ;SC****= OV PW ON OFF AN AFF SV FR WF WT WL FM F
    SC0100= 004...
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