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4729

Re: Pulse EDM Initial Circuit Test

I got mine working okay now, I had incorrectly installed R13. In a message dated 27/03/2015 02:40:38 GMT Standard Time, EDMHomeBuilders@yahoogroups.com writes:
s4.testsite
Mar 27
#4729
 
4728

Re: Pulse EDM Initial Circuit Test

I've just finished up testing the electronics in my pulse EDM, and the meter works fine. According to the book, the meter is reading the open circuit voltage,
wyogreen
Mar 26
#4728
 
4727

Pulse EDM Initial Circuit Test

My initial circuit test involves the setting of the panel meter by adjusting R13 pot. There is no Volts at all reaching the meter. Has anyone has any success
s4.testsite
Mar 19
#4727
 
4726

Re: EDM Curcuit Test Points

I am getting 112VAC In a message dated 16/03/2015 16:42:00 GMT Standard Time, EDMHomeBuilders@yahoogroups.com writes: Looking at the while on the run and not
    s4.testsite
    Mar 16
    #4726
    This message has attachments
    4725

    Re: EDM Curcuit Test Points

    Hello and thanks for your reply. I am getting 112VAC I purchased a step down transformer for this EDM. In a message dated 16/03/2015 16:42:00 GMT Standard
      s4.testsite
      Mar 16
      #4725
      This message has attachments
      4724

      Re: EDM Curcuit Test Points

      Looking at the while on the run and not having a chance to really dig into your reading I will shoot from the hip and say don't think you have any major
        Ben Fleming
        Mar 16
        #4724
        This message has attachments
        4723

        EDM Curcuit Test Points

        Hello Ben, Today I have started the test using the TP I have made the following list in order as on page 5 and 6 I am not getting any DC Volts at all through
        s4.testsite
        Mar 16
        #4723
         
        4722

        Building machine, acquiring printed circuit boards

        You need to contact the designer of the EDM machine, Ben Fleming (at one if the Cc addresses above) about purchasing a copy of his how-to book on the machine.
        Charles Brumbelow
        Mar 14
        #4722
         
        4721

        Buy pcb

        How can I buy pcb for power supply and for the control. Thanks Chinthana
        Chinthana Fernando
        Mar 14
        #4721
         
        4720

        (no subject)

        Hi I need to build a EDM. Please let me know how to build the EDM power supply. How can I start the work. Thanks Chin
        Chinthana Fernando
        Mar 14
        #4720
         
        4719

        Re: Populating the Pulse 1.2 circuit board

        The instructions are correct. The black plastic side should face D1 meaning the metal side would face R2 Follow the stuffing instructions you received when you
        Ben Fleming
        Feb 28
        #4719
         
        4718

        Populating the Pulse 1.2 circuit board

        The instructions for U1 say put he black plastic side toward the left side facing D1 but the board has a douple line on that side that like that is the metal
        mkt10121012
        Feb 28
        #4718
         
        4717

        Re: Looking for information about a Javin MC 500 EDM

        I just acquired a PRD unit that is the same ,after doing a few repairs on the servo card it works fine. I have a pretty good understanding of the eltronics for
        hamlerpaul
        Feb 22
        #4717
         
        4716

        Re: Parts

        It should be at least 150v cap Ben From: EDMHomeBuilders@yahoogroups.com [mailto:EDMHomeBuilders@yahoogroups.com] Sent: Sunday, February 22, 2015 5:12 AM To:
        Ben Fleming
        Feb 22
        #4716
         
        4715

        Re: Parts

        Hello Ben You say that the use of the 10µF cap. C2 is recomended, but what Voltage do you recomend.? I have seen them from 10V to 375V. Regards Ray Hello Ben
        ray4021
        Feb 22
        #4715
         
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