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Z-axis steps away too much at the beginning of a project

Discussion in 'CNC Mills/Routers' started by Christian Apodaca, May 23, 2021.

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  1. Christian Apodaca

    Christian Apodaca New
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    I recently tried working on a project with some thick material. I started by zeroing x, y, and z to the project, then hitting 'Run Job.' Immediately I get a warning that job would be hitting limits. After a couple failed attempts I tried running the same job on a thinner piece of material, so the z-axis was zeroed about half the previous height and I noticed that at the beginning on a job the z-axis steps away from the material a significant amount. So is there any way I can tell it to not step away so much, so I can run with the thicker material? I'm not finding any setting in the OpenBuildControl to change it.
     
    #1 Christian Apodaca, May 23, 2021
  2. Alex Chambers

    Alex Chambers Master
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    What cad/cam and post processor are you using?
    Alex.
     
    #2 Alex Chambers, May 23, 2021
  3. Gary Caruso

    Gary Caruso OpenBuilds Volunteer
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    Hi Christian,
    Look for "Z retract safe height" setting in your cam program.. only needs to be high enough to clear your clamps.
    Also you might have soft limits set too short, that's a GRBL setting.
    Gary
     
    #3 Gary Caruso, May 23, 2021
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  4. Christian Apodaca

    Christian Apodaca New
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    I'm using Fusion360
     
    #4 Christian Apodaca, May 23, 2021
  5. Christian Apodaca

    Christian Apodaca New
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    Thanks for the help Gary, I'll look into both of those.
     
    #5 Christian Apodaca, May 23, 2021
  6. Alex Chambers

    Alex Chambers Master
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    See pic - it's in the heights tab.
    Alex. Clearance height.png
     
    #6 Alex Chambers, May 23, 2021
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  7. Christian Apodaca

    Christian Apodaca New
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    Just saw it! Thanks for the help Alex!
     
    #7 Christian Apodaca, May 23, 2021
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