robgrz

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  • July 22, 2013 at 2:18 pm in reply to: Homing without zeroing the position #4348
    robgrz
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    I’m going to take a shot at adding it in the next week (I hope). Perhaps Alden will consider adding it to the main distribution.

    -Robert

    July 16, 2013 at 11:57 am in reply to: Homing without zeroing the position #4337
    robgrz
    Member

    It’s a calibration routine for our machine. The head would be positioned there manually. What we need to find is where that initial position is relative to the home.

    Ideally, the thing that I’d like is for the G28 homing routine to work as-is but without that final clearing of the position values.

    If I were to try to add another version of G28, maybe G28.4, that did this, are you interested in incorporating it into the main repo? Is there anything in the current G28 code that would make the position information invalid at the end of the G28 routine?

    -Robert

    July 15, 2013 at 7:03 pm in reply to: Homing without zeroing the position #4330
    robgrz
    Member

    We have a need to position the head somewhere in space (with no absolute position information) and then home back to see where that location was.

    For instance:

    1) We position the head
    2) Zero all axis values
    3) Do a homing cycle without no zeroing
    4) The X,Y,and Z values should all be equal to the offset of the original position from home. (Actually the negative offset)

    If this is not supported then we’d be interested in adding it unless there is a technical limitation that would prevent this. I just wanted to make sure we’re not ignoring the obvious.

    -Robert

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