Search Results - Practical Machinist - Largest Manufacturing Technology Forum on the Web
Close
Login to Your Account

Search:

Type: Posts; User: JayCrumb

Page 1 of 3 1 2 3

Search: Search took 0.00 seconds.

  1. I know you say that the wire sensor switch (the...

    I know you say that the wire sensor switch (the one with the whisker) is working fine, but it has been my experience that it is always those sensors or something directly related to them.
    I would go...
  2. I should add some more details... It is a FO 350...

    I should add some more details...
    It is a FO 350 s.

    I have learned a bit and am now having a problem in the Preparation of job/EDM section.
    I have everything filled out correctly (as far as I...
  3. CRC, Not sure what help you are looking for...

    CRC,

    Not sure what help you are looking for specifically, but the key to sparking mold parting-lines is to switch the polarity back and forth between pos and neg to achieve even wear between top...
  4. Charmilles Roboform 350 simple program (is there such a thing?)

    My friend got a great deal on a Roboform 350.
    All he wants to do is burn hex ends into bolts.
    The program needs to touch in -Z, zero, OD centerfind, zero, position to zeros (or maybe even +.025" in...
  5. Replies
    1
    Views
    573

    I believe your amperage is too high for the burn....

    I believe your amperage is too high for the burn.
    Higher amps = faster burn times with worse finish.
    10 amps per 1 sq/in of electrode interface if burning graphite/steel.

    Cutting the upper lead...
  6. Replies
    2
    Views
    651

    Agie Charmilles started using depth pressure...

    Agie Charmilles started using depth pressure sensors around this time.
    Not positive if your machine has it or not, but if so it will look like a white plastic nut on the right side of the inside of...
  7. Replies
    12
    Views
    1,810

    DJZ, The reciprocating WEDM you were inquiring...

    DJZ,

    The reciprocating WEDM you were inquiring about was a Charmilles product built for cutting free DMLM parts from the build plate.
    It used Moly wire approx .022" diameter.
    It could only cut...
  8. Replies
    3
    Views
    667

    Tvalen, I have seen this happen on the X axis...

    Tvalen,

    I have seen this happen on the X axis when the seal plate is dirty or needs replaced.
    DO you see the V axis drifting off of zero when you get the V axis error?
    Will the machine home?
    ...
  9. Frozen Processing for EDM (Air/Space, Nuclear, Medical)

    Since I point many of my customers to this incredible website for EDM knowledge, I thought I would post something that is a regular question from them.
    It is old news to most, but maybe it will help...
  10. Thread: cheaper wire?

    by JayCrumb
    Replies
    7
    Views
    1,556

    In my experience, cheaper wire was never worth...

    In my experience, cheaper wire was never worth the hassle.
    But I have always tried to run attended as much as possible.

    It's been a minute since I've purchased wire for Mits machines, but OKI...
  11. Looking for a post processor for Current 300ct

    Looking for a friend...
    They need a post processor for a 2004 Current 300ct fast-hole EDM.
    The machine also has a rotary that wil lneed to be programmed.

    Post processor can be for Esprit or...
  12. Do you have any existing programs(that run) that...

    Do you have any existing programs(that run) that you can use for reference when editing the post processor?
    Does that machine even use g-code or is it completely conversational?

    I would put in a...
  13. Replies
    0
    Views
    757

    EDM for Aerospace/Nadcap

    Hi all,

    Just curious how many visitors to PM use their EDMs for aerospace/military and are compliant to Nadcap rules and regs.
    Looking around it seems like most are in tool making.


    Jay
  14. Replies
    3
    Views
    933

    Kris, Not super familiar with that machine,...

    Kris,

    Not super familiar with that machine, but I assume the axis motor has brushes for the drive section and the tachometer section. Probably 4 for the drive and 2 for the tach (probably slightly...
  15. Replies
    4
    Views
    2,090

    Right idea... Cotton gins

    Right idea... Cotton gins
  16. I'll second the "bad bottle" statement. Seen...

    I'll second the "bad bottle" statement.
    Seen this a few times with regenerated resin.
    You can avoid this by using virgin only, but that isn't very green or financially responsible.

    I would also...
  17. Replies
    15
    Views
    6,468

    Excellent point plastikdreams... While a fine...

    Excellent point plastikdreams...
    While a fine grade graphite is definitely the right move over copper, there are also processing methods that need to be considered.
    Multiple electrodes and burn...
  18. Is the wire breaking in the workpiece? I'm...

    Is the wire breaking in the workpiece?

    I'm assuming with the depth of investigation you are undertaking, that you have already ruled out mechanical issues such as: Higher/possibly uncalibrated...
  19. Replies
    4
    Views
    2,090

    Gord, The only time I have ever recommended...

    Gord,

    The only time I have ever recommended foam vs. CO2 is on older machines in which a "kill if activated" relay is difficult to install.
    Nine times out of ten, just shutting down power to the...
  20. Replies
    5
    Views
    1,581

    Excellent points. Thanks guys. Jay

    Excellent points.
    Thanks guys.

    Jay
  21. Replies
    5
    Views
    1,581

    Charmilles 640cc Axis over-travel errors

    Howdee all,

    Local shop is getting an over-travel error on the X axis when near the ends of travel but not actually at the end of travel.
    First thought was a dirty/worn seal plate as it is leaking...
  22. enkad, I have seen water conductivity high...

    enkad,

    I have seen water conductivity high enough to completely stop the EDM process many times.
    The fact that you aren't getting an error on the machine makes me think your DI probe it dirty....
  23. Install a SGC-01 board in a Sodick A280L Akron, Ohio area.

    Hello all,

    Does anyone having the technical skills needed and want to make a couple bucks in the next few days?
    Job is in Akron, Ohio (can't pay for travel) diagnosing and most likely simply...
  24. Replies
    3
    Views
    2,053

    I have seen issues with the aftermarket collets....

    I have seen issues with the aftermarket collets.

    Jay
  25. Thread: Ona edm

    by JayCrumb
    Replies
    10
    Views
    5,050

    ONA has always held the niche of "BIG"...

    ONA has always held the niche of "BIG" workpieces.
    It used to be, if you needed to work on big stuff, it was the only show in town.
    A recent high level executive (who no longer works there) worked...
Results 1 to 25 of 61
Page 1 of 3 1 2 3