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<<Revamped M565 Z Offset. Set it and forget it!>>

Discussion in 'Mods and Upgrades' started by Austin, Mar 5, 2015.

?

Interested in an offset that is stored in the printer instead of declared in the gcode?

  1. YES!

    41 vote(s)
    89.1%
  2. nahh lame

    5 vote(s)
    10.9%
  1. Ziggy

    Ziggy Moderator
    Staff Member

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    Well it appears there is some success with this issue. The Marlin developers have agreed to have both positive and negative values for the Z Probe Offset and will update the LCD to allow +/- offset values.

    Scroll to the bottom of this issue thread. .

    https://github.com/MarlinFirmware/Marlin/issues/1682

    The changes will be in pull request #1700 - not sure when the changes will be released in a stable version though.

    More generally it appears to be a good time to engage with the developers and influence what goes into Marlin. So far the Filament Monitor and +/- Z Probe offset are being added. Some good progress is also being made getting the "filament consumed" to be calculated in Marlin and displayed on the LCD.
     
  2. zenekNY

    zenekNY Member

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    what are the smallest increments in the Z offset that I can do? is it up to a 10th of a mm? or can I go finer than that?
     
  3. WheresWaldo

    WheresWaldo Volunteer ( ͠° ͟ʖ ͡°)
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    The smallest increment is based on the number of steps involved to achieve 1 mm of travel. So if it's 80 then the inverse would be the increment you could use (1/80 mm ~ 0.0125 mm). Personally, I ignore every digit beyond two right of the decimal point. Our Robo's simply do not have that much precision to make any difference, and 2 decimal places gives you 100 choices for z offset.

    This is an extremely simplified explanation.
     
  4. zenekNY

    zenekNY Member

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    ImageUploadedByTapatalk1445793369.225904.jpg
    I answered my own question, it looks like it does make a slight difference.


    Sent from my iPhone using Tapatalk
     
  5. Cf3080

    Cf3080 New Member

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    I'm lost can someone make a youtube video?
     
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Don't over think it. Just put it in your startup GCode block and be done with it.

    G28;
    M565 -Zx.xx; your offset number
    G29;
     

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