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Thread: Canned Cycle

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  1. #1
    Join Date
    Aug 2012
    Posts
    5

    Canned Cycle

    Need to trim chuck jaws on Older Cadet with OSP5020L. On Haas machines I use G72 canned cycle. Anyone know the equivelant on this Okuma? Thanks.

  2. #2
    Join Date
    Feb 2009
    Posts
    6028
    Okuma has a bunch of LAP cycles. Do you not have a book?

  3. #3
    Join Date
    May 2004
    Posts
    4519

  4. #4
    Join Date
    Aug 2012
    Posts
    5
    I do have a programming manual but the canned cycles are for threading cycles and drilling cycles. Not one of these seems to match to a simple OD turn or facing can cycle. I am sure this older controller to do the face and turn cycles especially since it can perform threading cycles, but I must just simply be overlooking them. A sample program line for facing would be most helpful. This is a Haas facing cycle I use alot and wish to repeat on the Okuma; G72P1Q2D.035F.004
    Thanks again,

  5. #5
    Join Date
    May 2004
    Posts
    4519
    Wow. You are lost. Doesn't your machine have IGF programming? Part of what you were looking for is on the web page I referenced for you: "G85 Call of Rough Bar Turning Cycle (LAP)" and "G81 Start of Longitudinal Shape Designation (LAP)" and "G87 Call Finish Turning Cycle (LAP)". I bet if you searched deeper on the web you could come up with the syntax and parameters for these operations.

  6. #6
    Join Date
    Mar 2009
    Posts
    1982
    It's LAP (Lathe Auto Programming) for Okuma, not a "canned cycle"
    Take an sample from manual and it will work.

  7. #7
    Join Date
    Aug 2011
    Posts
    2517
    and now for a useful answer

    G85 is equivalent to Fanuc G71
    G87 is equivalent to Fanuc G70
    G81 marks the start of a longitudinal cutting contour
    G80 marks the end of the contour
    The contour is named N500

    here's a simple boring program for Okuma ......


    G00 X2.0 Z.1
    G85 N500 D0.100 F0.010 U0.010 W0.005
    N500 G81
    G00 X2.5
    G01 Z-2.0 F0.005
    X2.0
    G80
    G87 N500


    and for facing.....

    G82 marks the start of a transverse cutting contour
    G80 marks the end of the contour
    The contour is named N600

    here's a simple facing program for Okuma ......


    G00 X8.0 Z1.0
    G85 N500 D0.100 F0.010 U0.010 W0.005
    N600 G82
    G00 Z0
    G01 X0 F0.010
    Z1.0
    G80
    G87 N600

  8. #8
    Join Date
    Feb 2010
    Posts
    81

    Re: Canned Cycle

    Quote Originally Posted by txcncman View Post
    Wow. You are lost. Doesn't your machine have IGF programming? Part of what you were looking for is on the web page I referenced for you: "G85 Call of Rough Bar Turning Cycle (LAP)" and "G81 Start of Longitudinal Shape Designation (LAP)" and "G87 Call Finish Turning Cycle (LAP)". I bet if you searched deeper on the web you could come up with the syntax and parameters for these operations.
    Do you have the manuals for what he's trying to figure out? I'm up against the same problem and have the manuals too. They aren't very clear on what's going on, and when you're coming from Fanuc on 5 different cnc lathes, and have that system engraved in your noggin on how to do things, it's as clear as mud.

    - - - Updated - - -

  9. #9
    Join Date
    Aug 2009
    Posts
    1566

    Re: Canned Cycle

    ...for anyone reading this thread without a manual..... here is list of G Codes for Okuma Lathe.

    https://www.helmancnc.com/okuma-lathe-g-and-m-codes/

    DJ

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