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  • EDM

    Is there anyone out there who has had some success with shop built EDM? I built one as per Popular Science 60's issue and just can't get the system to work smoothly. Does anyone have ideas. I am trying to remove a broken tap from a piece that is becoming quite expensive.

  • #2
    There was an extensive series on building such a machine some time ago in HSM. A search of the index on this site should be productive.

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    • #3
      <font face="Verdana, Arial" size="2">Originally posted by BWB:
      There was an extensive series on building such a machine some time ago in HSM. A search of the index on this site should be productive.</font>
      Thanks. I have that series of articles but not the time to do anything about it now.However, with some inovative changes to the PS system I made it work and well enough to do the job I required. Now that the principle is proven I shall have to refine it.

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      • #4
        <font face="Verdana, Arial" size="2">Originally posted by rayS9:
        Is there anyone out there who has had some success with shop built EDM? I built one as per Popular Science 60's issue and just can't get the system to work smoothly. Does anyone have ideas. I am trying to remove a broken tap from a piece that is becoming quite expensive.</font>
        Have you tried eGroups? at www.egroups.com You will want the group named CAD_CAM_EDM_DRO. This is a good group of guys. Also check out rec.crafts.metalworking newsgroup and www.metalworking.com which is an archived picture post and thru Google, an archive of 25,000 past posts to the newsgroup above with a pretty good search format.

        ------------------

        Kurt
        {:{)

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        • #5
          This has come a long way - Linuxcnc has controlled a few EDM systems now (and is growing)

          https://www.youtube.com/watch?v=iNn9Jv5_h64

          https://www.youtube.com/watch?v=qoV8UXtLYmE

          This uses linuxcnc's adaptive feed control - where you can control the feedrate with an external signal (like spark gap)

          There is also a development branch that does negative adaptive feed (reverse run)

          https://www.youtube.com/watch?v=dLIAC4B3rsM

          Exciting times!

          sam

          PS - this one is for you EddyCurr...

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          • #6
            Now you're just teasing! I was considering reviving this thread today too, but decided against it. Interestingly, the OP posted twice in this thread, and never came back.

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