Questions about "Auto Zero" in QT_Dragon_HD probe tab.
- JohnnyCNC
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31 Aug 2025 22:15 #334205
by JohnnyCNC
Questions about "Auto Zero" in QT_Dragon_HD probe tab. was created by JohnnyCNC
How can I make the "Auto Zero" button default to ON? ON a few occasions where I have not used my machine for a couple of months, I forget to set Auto Zero to ON, and then go down a rabbit hole trying to figure out why my machine is not cutting at the correct Z height.
What is the use-case when you would want Auto Zero to be OFF?
Thanks
John
What is the use-case when you would want Auto Zero to be OFF?
Thanks
John
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- langdons
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02 Sep 2025 15:30 #334279
by langdons
Replied by langdons on topic Questions about "Auto Zero" in QT_Dragon_HD probe tab.
If the material you are drilling is not a flat sheet of constant thickness, the auto zero might be wrong.
A very soft material could lead to zeroing errors.
I have no experience with auto-zero, this is all purely hypothetical speculation.
A very soft material could lead to zeroing errors.
I have no experience with auto-zero, this is all purely hypothetical speculation.
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- cmorley
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02 Sep 2025 22:58 #334301
by cmorley
Replied by cmorley on topic Questions about "Auto Zero" in QT_Dragon_HD probe tab.
What version of linuxcnc are you using?
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- JohnnyCNC
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03 Sep 2025 03:16 #334310
by JohnnyCNC
Replied by JohnnyCNC on topic Questions about "Auto Zero" in QT_Dragon_HD probe tab.
I'm using 2.9.4.
When the Z is off, It is usually off by a half inch or so. It all depends on what I was doing the last time I remembered to turn auto zero on.
John
When the Z is off, It is usually off by a half inch or so. It all depends on what I was doing the last time I remembered to turn auto zero on.
John
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- cmorley
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03 Sep 2025 04:18 #334313
by cmorley
Replied by cmorley on topic Questions about "Auto Zero" in QT_Dragon_HD probe tab.
I pushed a change to 2.9 and master so the button state is recorded in the preference file.
Versa probe is based on the original Vers probe routines, which allowed those options.
Versa probe is based on the original Vers probe routines, which allowed those options.
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- JohnnyCNC
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04 Sep 2025 03:09 #334385
by JohnnyCNC
Replied by JohnnyCNC on topic Questions about "Auto Zero" in QT_Dragon_HD probe tab.
Thanks Chris.
The following user(s) said Thank You: cmorley
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- rodw
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05 Sep 2025 07:35 #334478
by rodw
Replied by rodw on topic Questions about "Auto Zero" in QT_Dragon_HD probe tab.
Changes pushed to 2.9 won't be accessible unless the devs issue a point release. eg 2.9.5
You would probably be better off upgading to master 2.10 branch so you get changes as they happen.
QT dragon is a pretty new GUI and Chris has been beavering away improving it all the time.....
You would probably be better off upgading to master 2.10 branch so you get changes as they happen.
QT dragon is a pretty new GUI and Chris has been beavering away improving it all the time.....

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05 Sep 2025 23:10 #334520
by JohnnyCNC
Replied by JohnnyCNC on topic Questions about "Auto Zero" in QT_Dragon_HD probe tab.
Thanks Rod. I'll look into upgrading to 2.10.
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