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Type: Posts; User: hitandmiss

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  1. Replies
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    It is NOT wise to make assumptions on what you...

    It is NOT wise to make assumptions on what you do, or do not have in the electrical panel, based solely on the schematic.
    I don't see a VFD/VSD in any of your pictures, so either you have one (not...
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    You haven't shown us one in your photos yet!

    You haven't shown us one in your photos yet!
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    Lets explore the EZ options first. Take a...

    Lets explore the EZ options first.

    Take a picture of the inside of the motor junction box.
    There should be 3 or 6 wires going to the inside of the motor.
    If 6 wires, and 3 of them are jumpered,...
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    When running on a RPC, you want only a...

    When running on a RPC, you want only a Delta/Delta connection on any transformers for voltage conversion.
    The "wild leg" is passed through on only 1 phase.
    When using a Wye connection on a...
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    1,137

    The plug in resistor is marked on the side with...

    The plug in resistor is marked on the side with HP @ 120 V, and HP @ 240 V input power, along with the resistance.

    Bill


    The last page of the catalog lists the resistors.
    ...
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    I installed a length of barn door tract over the...

    I installed a length of barn door tract over the mill table to let the hoist/ tackle blocks etc. do the lifting.

    You can install a length for less effort than trying to replace the 8" rotary with...
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    Post your pictures like you did on your first...

    Post your pictures like you did on your first post!!!
  8. Replies
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    There should be a nameplate on the top side of...

    There should be a nameplate on the top side of the KBRG regenerative control, below the fuse block.
    Probably it is a KBRG-255.
    The SCR's on yours are through hole and easy to replace when needed. ...
  9. Replies
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    1,265

    I have a contactor on my RPC that cuts all power...

    I have a contactor on my RPC that cuts all power when the RPC is off.

    There is a module out test.
    With the module out, the motor should run, there will not be any speed control.

    Bill
  10. Replies
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    Since all the OP posts are in this thread, and we...

    Since all the OP posts are in this thread, and we still don't know what control he has!
    It would be appropriate to call Mitsubishi at 1-847-478-2500 and get the proper procedure to read the copy of...
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    Use Mazatrol for it's strength, the simple stuff...

    Use Mazatrol for it's strength, the simple stuff then call a G code sub for the complex shapes.
    Now you have the best of both worlds.

    I am not sure what you would be making on a 2 Axis lathe that...
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    Since info is a bit lacking in your post, some...

    Since info is a bit lacking in your post, some general questions to help us.
    Have you ever had this running? or when you got it, it was it apart?
    No info on wires (if any) that went to the...
  13. The 3 phase spark killer is one of these: (click...

    The 3 phase spark killer is one of these: (click to enlarge)

    272885

    The RC network is not made to handle high wattage noise.
    The output of the VFD is a PWM of the carrier frequency to simulate...
  14. So my advice to you is: If you are really using...

    So my advice to you is:
    If you are really using a Variable Frequency Drive (VFD) to generate the 3 phase.
    Power only the 3 phase motors from the VFD.
    Split off ALL single phase loads and power...
  15. So since you are very vague about what you really...

    So since you are very vague about what you really have, converting a Kikinda, Elb, Okamoto or similar with hydraulics, integrated position control or magnet control is going to be waaay more complex...
  16. I use one on my DSM-59 the holes are threaded...

    I use one on my DSM-59 the holes are threaded 1/4-28.
    Advantages of the cutoff slide over a tool in the tool post.
    1. If you are making several parts, the cutoff is already mounted, no tool change...
  17. There is some basic errors in your thinking. 1....

    There is some basic errors in your thinking.
    1. There should be an odd number of bars on the commutator, so there is no opposite bar at 180°.
    2. There is usually an odd number of slots for the...
  18. The bigger issue is the transformer Wye or Delta...

    The bigger issue is the transformer Wye or Delta on both the Primary and or Secondary.
    A Wye connected transformer (primary or secondary) moves manufactured leg instability to all 3 phases.
    So it...
  19. Check the N/C contact on the AP relay, it must be...

    Check the N/C contact on the AP relay, it must be closed and making contact with the spindle is not running.
    The AP relay contact will be bypassed when you manually operate the F or R relay.
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    Well we are half way there with 6 more days to...

    Well we are half way there with 6 more days to go!!
  21. Replies
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    The taper in the T/S of both my EE's was worn at...

    The taper in the T/S of both my EE's was worn at the ends. The center 1"+ was unworn.
    The center I was using only seated on that 1"+ area, and squirmed around with any side movement.
    This resulted...
  22. Replies
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    So based on the problem you are having, I suspect...

    So based on the problem you are having, I suspect that the PO had employees running the lathe
    and occasionally when increasing speed with the spindle running, there would be a field loss and the...
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    WOW, the OP asks a question, My advice on post...

    WOW, the OP asks a question,
    My advice on post #13
    He responds with he has these coils already in #14
    I asked what resistance are they in #16
    The OP answered in #18
    rakort figured out a proper...
  24. Replies
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    What you have found, will result in a field loss,...

    What you have found, will result in a field loss, when starting with no field, will overload the MG.
    Operating the FA relay, will bypass the motor field rheostat, providing full field to the motor....
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    I was thinking more along the lines of these. ...

    I was thinking more along the lines of these.

    2PCS OHMITE 0207 270-25K-40 RESISTOR 2K OHMS 25W P3620 | eBay

    Bill
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