qtdragon_hd; can't seem to change linear jog speed to something reasonable

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18 Oct 2023 01:59 #283202 by kenthompson
Everything seems to be working in my qtdragon setup.  However, one of the remaining issues is that the jog slider is maxed out at 9000 at startup, which is way too fast for my steppers.  I read that MAX_LINEAR_VELOCITY in the ini should set the slider's max value.. but that does not seem to work.  I've tried all of the suggestions I could find online, but still no luck.

What am I missing here? I can't seem to set the slider to something under 9000 mm/min..

Thank you in advance!

My current config can be found in github at: github.com/KennethThompson/printnc_qtdragon_hd_config

 

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18 Oct 2023 02:21 #283203 by tommylight
MAX_LINEAR_VELOCITY = 150
In the ini file, change to whatever seems reasonable for you, 100=6000mm/m

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18 Oct 2023 02:23 #283204 by cmorley
in your INI you have:

MIN_LINEAR_VELOCITY = 0
MAX_LINEAR_VELOCITY = 150
DEFAULT_LINEAR_VELOCITY = 150

Those numbers are in units per second. 150 x 60 = 9000 units per minute
What number did you try?

DEFAULT_LINEAR_VELOCITY should set the starting speed.

I'll check on my system that it works properly.
Also did you get linuxcnc from a Debian package or buildbot package?

Chris
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18 Oct 2023 18:28 #283247 by kenthompson
I changed MAX_LINEAR_VELOCITY to 50 and that set the max jog to 4500- which is perfect for my setup. I am somewhat confident I am using the buildbot after executing steps in the Debian 12 tutorial which 'tricks' apt update into using the latest nightly build.

Thank you and Tommylight both for the prompt responses. For some reason my spam blocker was hiding notification of your responses.
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