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Thread: Tool offset troubles

  1. #1
    Member geppo_it's Avatar
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    Default Tool offset troubles

    hi to everybody,
    my goal is to use KmotionCNC for lathe control and I realized how confused my knowledge on the Tool Offset issue is. Therefore:

    The offset value of each tool to which zero is it referred? Machine zero? If so, I have another problem: my lathe is completely self-built so there is no "Machine Zero pre assigned by the manufacturer" and I don't have a well defined point whose coordinates I know with respect to Machine Zero. Can it be in any position of the lathe axes?

    In the KmotionCNC ToolFile, at the offset columns, I note that only the X and Y axes are present while I should set X and Z: should the "Length" column be used for the Z offset?

    thanks

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  2. #2
    Member geppo_it's Avatar
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    Default Re: Tool offset troubles

    Tom please can you at least give me the answer regarding the KmotionCNC ToolTable

    thanks



  3. #3
    Member TomKerekes's Avatar
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    Default Re: Tool offset troubles

    Hi geppo_it,

    GCode offsets are complicated and a number of approaches can be used.

    You can probably use any reference as long as it is consistent.

    It also depends on your requirements and work flow. Do you expect to change tools and not "touch off" the tool?

    You might read through this Thread.

    Regards
    TK http://dynomotion.com


  4. #4
    Member geppo_it's Avatar
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    Default Re: Tool offset troubles

    Hi Tom
    I will read that thread carefully. What about the Z offset? Do I have to write it on "Length" column as for a mill?



  5. #5
    Member TomKerekes's Avatar
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    Default Re: Tool offset troubles

    Hi geppo_it,

    What about the Z offset? Do I have to write it on "Length" column as for a mill?
    yes

    Regards
    TK http://dynomotion.com


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