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  1. #1
    Join Date
    Dec 2006
    Posts
    6

    Okuma OSP Lathe Threading G32 Alarm

    New to this OSP controller - trying to do some basic threading on the lathe using G32

    When I run the program I get an 2250 Alarm-B DATA WORD 'Z' , 'X' 1

    Here is the .MIN file that I am trying to run:

    %
    (1.MIN)
    N10 G50 S6000
    N11 G0 X444.
    N12 G0 Z888.


    (THREAD1)
    N13 T090909
    N14 M8
    N15 G94
    N16 G50 S5000
    N18 G96 S656 M3 M41
    N19 G0 X1.8 Z0.1969
    N20 G0 Z-0.075
    N21 G1 X0.8341 F39.37008
    N22 G32 Z-2.0571 F0.0714
    N23 X0.9265 Z-2.1033 F0.0714
    N24 G0 X1.8
    N25 Z-0.075
    N26 G1 X0.8193 F39.37008
    N27 G32 Z-2.0497 F0.0714
    N28 X0.9265 Z-2.1033 F0.0714
    N29 G0 X1.8
    N30 Z-0.075
    N31 G1 X0.8079 F39.37008
    N32 G32 Z-2.044 F0.0714
    N33 X0.9265 Z-2.1033 F0.0714
    N34 G0 X1.8
    N35 Z-0.075
    N36 G1 X0.7983 F39.37008
    N37 G32 Z-2.0392 F0.0714
    N38 X0.9265 Z-2.1033 F0.0714
    N39 G0 X1.8
    N40 Z-0.075
    N41 G1 X0.7899 F39.37008
    N42 G32 Z-2.035 F0.0714
    N43 X0.9265 Z-2.1033 F0.0714
    N44 G0 X1.8
    N45 Z-0.075
    N46 G1 X0.7899 F39.37008
    N47 G32 Z-2.035 F0.0714
    N48 X0.9265 Z-2.1033 F0.0714
    N49 G0 X1.8
    N50 Z0.1969


    N51 M9
    N52 G90 G0 X444. Z888.
    N53 M2
    %


    and this is a screen shot of where the lathe stops on the error. Any help would be appreciated.


  2. #2
    Join Date
    Dec 2008
    Posts
    3109

    Re: Okuma OSP Lathe Threading G32 Alarm

    Ok, just noting a couple of items

    - G96 should NEVER be used in threading
    - RPM possibly too high to sync spindle with leadscrew .... try G97 S500 M3 M41 ...... to see if this corrects everything
    - 5 digits on Feed line .... might be OK
    - are you in feed / REV or Feed / min ....no safety lines shown

  3. #3
    Join Date
    Dec 2006
    Posts
    6

    Re: Okuma OSP Lathe Threading G32 Alarm

    Understand on the G96

    I made the suggested changes and reduced the 5 digit feed line to 3

    Ran the new code and still received the same alarm.

    Also the screen shot did not show the safety block but if you see the top of the post ii do have G50 S6000

  4. #4
    Join Date
    Dec 2008
    Posts
    3109

    Re: Okuma OSP Lathe Threading G32 Alarm

    Quote Originally Posted by dustpan3 View Post

    Also the screen shot did not show the safety block but if you see the top of the post ii do have G50 S6000
    That is not safety codes..... that is only a speed limiter..... It should be a list of what codes are the default ( upon turning ON the machine ) to avoid problems if you had changed code for a special tool.
    Code:
    %
    ( HEADER COMMENTS Etc. )
    G0 G40 G80 G90 G95
    G50 S3000 M5 M9
    G0 X444.
    G0 Z888.
    M01
    ()
    On your screendump ... left of the seq. numbers
    The upward pointing arrow is the line that is currently ready for execution,
    - the greater than sign (>) is the what the control has read ahead to & placed into it's run buffer

    Alarm seems to indicate that X & Z addresses may be required on a G32 line.....err ,,,, just looked up G32....you sure that is the code you want......this puts a scroll thread on the end face....not along the Z axis

    You seem to realise that this code is just a single pass
    try understanding & using the G72 cycle

    PS
    There is an Okuma machine forum.... lots of previous threads for you to read

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