Is it possible to display the cutting path in 3D in QTPlasmac?

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25 Sep 2023 09:22 #281586 by DmitryKV
Hello.
I have a portal machine. I added a pipe cutting module to it. The tube cutting module is configured as A-axis. Physically, the pipe cutting attachment works. There are no questions about the cutting process yet. Unfortunately, in the graphic display window everything merges into a line and looks something like this.  
The job in SheetCAM looks like this.  
Are there ways to adjust the display in the graphics window so that the A axis does not rotate around a point, but moves in the volume?
I will be glad to any hints. All my attempts were unsuccessful.

Regards, Dmitry.
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25 Sep 2023 22:17 #281617 by cmorley
What is the diameter of the pipe you are cutting?
Looks like A revolves around X.
Does Y set the diameter?

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26 Sep 2023 01:37 #281625 by DmitryKV
Hello.
Yes You are right. The A axis rotates around the X axis. The Y axis is not used when cutting a round pipe; it is used only on a square one. Axis A is configured as ANGULAR. In fact, the pipe diameter is not specified in Linux. To prepare G code I use the Rotary Plasma plugin of SheetCAM. The pipe diameter is specified only there. The cutting is transmitted 2D to SheetCAM.
In principle, I am ready to try changing the configuration of the machine if this solves the visualization issue. 

Regards, Dmitry.

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26 Sep 2023 03:19 #281627 by cmorley
You are cutting the OD of the pipe?
What diameter are you cutting?

Now I may fundamentally not understand what you are doing but...
I think the diameter becomes important for the visualization.

looks like Y is .029 (mm?) so .058 diameter - that is going to be hard to see any detail.
Hopefully Phill will chime in soon - he probably will pick up the solution quicker then me.

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26 Sep 2023 05:25 - 26 Sep 2023 05:25 #281631 by phillc54

Hopefully Phill will chime in soon - he probably will pick up the solution quicker then me.

I noticed the same behaviour when I was doing some rotary plasma testing. From memory it was also behaving the same in AXIS. I "think" that I tried A in different positions in [DISPLAY]GEOMETRY but that had no effect. I really have no idea.
Last edit: 26 Sep 2023 05:25 by phillc54.

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26 Sep 2023 05:31 #281632 by cmorley
Can you take a picture of your actual machine to help with my visualization?

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26 Sep 2023 05:37 #281633 by DmitryKV
I cut pipe in the range from 50 to 300mm. It seems to me that the image should stretch along the Z axis, since the cutter moves along this axis. There is no movement along the Y axis for a round pipe. Only the square one has it.
I also tried different geometries in the [DISPLAY]GEOMETRY settings. It didn't give me any results.
It would be a pity, of course, if nothing comes of the visualization yet.

Regards, Dmitry.

 

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26 Sep 2023 06:07 #281635 by phillc54
I "think" it is probably caused by all the Z motion being done by external offsets rather than G-code moves.
 

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26 Sep 2023 06:09 - 26 Sep 2023 06:10 #281636 by cmorley
[DISPLAY]GEOMETRY just sets what axis the rotation is applied to.
Looks to me the rotation is applied properly (around x).

I think the visualization is actually correct. Drawing around a diameter of zero (or close to zero) will only show X movement.

ie. draw a face on a piece of 1mm tube will be hard to see - 50mm much easier.
What do you do to touch of to the diameter of the pipe?



if you jog Y to something like 20mm then jog A around 360 degrees, do you see a circle?
Last edit: 26 Sep 2023 06:10 by cmorley. Reason: wrong axis quoted

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26 Sep 2023 06:12 #281637 by DmitryKV
Yes, of course I can give you a photo. 
 
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