Problems following the design path

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18 Oct 2022 17:38 - 18 Oct 2022 20:07 #254440 by Nest
Hi, I have a problem when making the designs, the machine does not follow all the routes written in the Gcode.
My card is a MESA 7I96, my CNC is a 3040Z-DQ and the LinuxCNC is 2.8 version

In the image you can see how the design is:


In this image is how the machine makes the design


And in this image is the screen of linuxCNC.


I have tried other Gcode generators and they all do the same thing, I have tried other versions of the design creation software and there are no changes.

Does anyone know what's going on?
 
Last edit: 18 Oct 2022 20:07 by Nest.

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18 Oct 2022 22:36 #254473 by JPL
This could be trajectory control related. See here: linuxcnc.org/docs/2.6/html/common/User_C...c:trajectory-control

Also, this could be related to acceleration/speed.

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18 Oct 2022 23:38 #254480 by cakeslob
Probably gonna be a G61-g64 thing, have a look at this section. you will need to find the ideal settings for your machine
linuxcnc.org/docs/stable/html/gcode/g-code.html#gcode:g61


What was the conclusion on changing the default setting in linuxcnc >?

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18 Oct 2022 23:38 #254481 by tommylight
Slow acceleration, use
G64 P0.1
for metric, 0.1 is 0.1mm or the tolerance it can weer off the path.
It has to be at the top of the gcode, and if you stop and continue, enter it in MDI before run from here.

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19 Oct 2022 09:03 #254499 by HansU

What was the conclusion on changing the default setting in linuxcnc >?

The default value for the blending tolerance was changed to 0.001 inches / 0.0254 mm.

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31 Oct 2022 14:52 #255577 by Nest
Hi, sorry for the delay in answer... I have added the G61 code and now it works fine, the G64 P- Q- gave me some problem.



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31 Oct 2022 19:48 #255599 by HansU
Very nice and professional looking PCBs you are producing, by the way ;-)

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31 Oct 2022 19:58 #255601 by Nest
This is a PCB test, when I build the PCB of my project I will share the photos here, there are still small problems that I have to solve
Thanks you

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31 Oct 2022 20:11 #255605 by HansU
Are you able to make plated vias?

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01 Nov 2022 09:31 #255641 by Nest
Yes, but in this moment i can't make it by i don't have one material i necessary

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