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IndustryArena Forum > MetalWorking Machines > Okuma > VOPRB on Okuma lathe
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  1. #1
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    VOPRB on Okuma lathe

    My Okuma lathe uses the EP-P300L-R controller. Can I use the program to on / off parameter 29 bit 1 with VOPRB code? (Image in attachment). Please help me. Thank for all

  2. #2
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    Re: VOPRB on Okuma lathe

    try
    VOPRB[29] = [VOPRB[29] OR 2]
    "Imagination is more important than knowledge."

  3. #3
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    Re: VOPRB on Okuma lathe

    please, what is VOPRB ? kindly
    Ladyhawke - My Delirium, https://www.youtube.com/watch?v=X_bFO1SNRZg

  4. #4
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    Quote Originally Posted by kurmay View Post
    try
    VOPRB[29] = [VOPRB[29] OR 2]
    I tried and encountered this error (please see attached image). Please help.

  5. #5
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    Quote Originally Posted by deadlykitten View Post
    please, what is VOPRB ? kindly
    Hi deadlykitten, I don't really understand.

  6. #6
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    Re: VOPRB on Okuma lathe

    hey duongcave, why do you wish to change #29.1 ?
    Ladyhawke - My Delirium, https://www.youtube.com/watch?v=X_bFO1SNRZg

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    Quote Originally Posted by deadlykitten View Post
    hey duongcave, why do you wish to change #29.1 ?
    Parameter 29 bit 1 on my machine is used to on / off the "Cycles time check over" function. I have tried on / off manually. I think the VOPRB code can replace me doing that

  8. #8
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    Re: VOPRB on Okuma lathe

    please, what is doing this " cycles time check over function " ? inside manuals is nothing about it; only in the machine catalogue i find that "An alarm occurs after the completion of a set cycle " ... i have no clue what this function is doing ...

    I tried and encountered this error (please see attached image). Please help.
    it seems like the controller does not support the voprb system variable
    Ladyhawke - My Delirium, https://www.youtube.com/watch?v=X_bFO1SNRZg

  9. #9
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    Quote Originally Posted by deadlykitten View Post

    it seems like the controller does not support the voprb system variable
    Right. Unfortunately

  10. #10
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    Re: VOPRB on Okuma lathe

    I think you can do this via m code on your machine. Don’t remember it off the top of my head, check your list in the machine or I’ll dig it out when I get to the office.
    Experience is what you get just after you needed it.

  11. #11
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    Quote Originally Posted by OkumaWiz View Post
    I think you can do this via m code on your machine. Don’t remember it off the top of my head, check your list in the machine or I’ll dig it out when I get to the office.
    I checked and only M code to on / off "STM check over". I'm not sure how it works. But it is not what I need now.

  12. #12
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    Re: VOPRB on Okuma lathe

    please, what is voprb ? and how to use it ?





    oh, i just discovered what is the "
    cycles time over check function " : it verifies the duration of the cycle ... hmmm so far i could not find a thing, because i was looking for " check over " instead of " over check "

    however, i am not sure if this function delivers nice results; it's estimations should be similar to the "
    cycle time calculation function" ( or maybe these 2 functions are one and the same ? ), and i have seen differences between real time and estimated time; of course, maybe there are a few parameters that can be adjusted, but with so many ctr & motions stuff, i really doubt that the controller can estimate it's self

    to control such things, i don't relly on special functions, but on a real baseline; do you wanna know what was the machine doing in 2015, at 10.35am, 1st monday of july ? i can tell that, with <1 second accuracy; do you wanna know the spindle time on 2016 april? again, my methods are not designed to verify or check wrong operator behaviour, thus their output can be messed up, but this can be prevented, only if needed; i said this, because i suppose that you are still hunting your operator

    about ' cycle time over chek ', i also found these :
    ... #29.0
    STM time over check ON (R-side)
    ... #29.1
    Cycle time over check ON (R-side)
    ... #44.0 STM time over check ON (L side of parallel two-spindle machine)
    ... #45.0 STM time over check ON (L side of parallel two-spindle machine)
    ... #45.1 Cycle time over check ON (L side of parallel two-spindle machine)
    * it seems like there is no bit to control the L-side of a normal lathe ( 1 spindle, 1 turret ); of course, manuals translation from japanese is not accurate, especially in such wild areas like the bits, so i would test them

    and these optional M's:
    ... M124 STM time over check ON
    ... M125 STM time over check OFF
    ... M677 Time over check ON
    ... M678 Time over check OFF
    ... M725 Loader time over check start
    ... M726 Loader time over check stop

    kindly
    Ladyhawke - My Delirium, https://www.youtube.com/watch?v=X_bFO1SNRZg

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