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  1. #1
    Join Date
    Nov 2013
    Posts
    45

    Lathe Tool Offsets

    Hello,

    The Mori SL-1 project is up and running. I have a question on the tool offsets. I am using version 4.32a.

    In the tool offset screen the offset that is labeled Y I assume is just a typo and is actually the offset for the Z?

    How do I make the X and Z offsets active through G code?

    Thanks.

  2. #2
    Join Date
    May 2006
    Posts
    4045

    Re: Lathe Tool Offsets

    Hi Epiphany,

    No that isn't a typo. There are X and Y tool offsets. The Z offset is called the "Length" to be consistent with a mill or router.

    G43 turns Tool Length (and offset) compensation on. G49 turns it off. The H word specifies the Tool Slot or ID (Numbers less than 100 are slots, greater than 100 are Tool ID references). So for example:

    G43 H1006

    HTH
    Regards
    TK
    http://dynomotion.com

  3. #3
    Join Date
    Nov 2013
    Posts
    45

    Re: Lathe Tool Offsets

    Tom,

    Thanks for the heads up. I have this working and taking cuts, works great. In regards to the G32, I have it working although it is not making the 45 deg pullout and leaves a groove at the end of the threads.

    Here is a sample of the test code I am using.

    G20 G40 G49 G90
    M6 T5
    G43 H5
    M3 S500
    G00 X1.0 Z.1
    G32 Z-1.0 F.125
    G00 X1.03
    Z.1
    X.99
    G32 Z-1.0 F.125
    G00 X1.03
    Z.1

    Thanks for the help.

  4. #4
    Join Date
    May 2006
    Posts
    4045

    Re: Lathe Tool Offsets

    Hi Epiphany,

    I don't see where your code specifies a 45 degree pull out. You must code a second G32 to stay synchronized during the pull out. See this Post for an example of the code. Not it is also important to have the correct Trajectory planner settings. A Break angle of 45 degrees or less would cause a undesirable exact stop. And it would be good to round the corner for a smooth transition. Not also that the Feed rate on the 45 degree pull out should be increased by a factor of 1.414 to maintain the same thread pitch along the Z axis.

    HTH
    TK
    http://dynomotion.com

  5. #5
    Join Date
    Nov 2013
    Posts
    45

    Re: Lathe Tool Offsets

    Tom,

    I see now . After closer examination I understand how this works.

    Thanks.

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