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Z offset plugin questions


jens3
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Posted (edited) · Z offset plugin questions

Ahoeben, I am wondering if I can ask you a question ?

 

How does the z offset plugin relate to the z home offset in the eeprom. Does it add, subtract or replace ? In other words, could I add offset in the eeprom on top of your plugin offset to achieve a greater range ?

I prefer adjusting for things like a nozzle change (resulting in a slight height change) in software rather than to recalibrate the bed.

 

Thanks

 

PS.: I am using a CR-10S printer

Edited by jens3
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    Posted · Z offset plugin questions
    20 minutes ago, jens3 said:

    How does the z offset plugin relate to the z home offset in the eeprom.

     

    It doesn't. The plugin effectively changes the z-coordinates in the gcode, without knowing anything about how the firmware handles these z-coordinates. So if the firmware somehow adds an offset, the two offsets will both affect the physical height.

     

    On 4/17/2019 at 12:04 AM, jens3 said:

    The z offset plugin seems to be limited to +- 0.2 mm. Is there a reason for this tight limit ? Can I do something to expand the range in my version ?

     

    The z offset is limited to the negative of the Initial Layer height. Putting a lower value in there would result in negative coordinates for the z axis, which at best would be caught by the firmware and result in an error during printing, and at worst would lead to the nozzle being pushed into the build plate, damaging the printer.

     

    For more information about how the plugin works, see the readme:

    https://github.com/fieldOfView/Cura-ZOffsetPlugin/blob/3.5/README.md

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