Spotting Qtplasmac

paulsao
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21 Oct 2021 00:50 #223725 by paulsao

Spotting Qtplasmac was created by paulsao

Can someone help me with this, I made a gcode for spotting in Fusion 360 and activated the tool table for this, configure the treshold in 50v and the time in 200ms for 2mm stainless steel makes the first point and stops waiting for something and does not continue with the next point.

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phillc54
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21 Oct 2021 01:13 #223730 by phillc54

Replied by phillc54 on topic Spotting Qtplasmac

Can you post the gcode file.

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paulsao
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21 Oct 2021 01:18 - 21 Oct 2021 01:19 #223731 by paulsao

Replied by paulsao on topic Spotting Qtplasmac

Thanks Phill this is my g code.
In F9999 remplace for cut Feed

Last edit: 21 Oct 2021 01:19 by paulsao.

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rodw
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21 Oct 2021 01:30 #223735 by rodw

Replied by rodw on topic Spotting Qtplasmac

Can you try increasing the spotting time? Some machines do not like short spotting times we found when we came up with the idea. Mine needs at least 220 ms. Try 600 or more until you get it working.

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paulsao
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21 Oct 2021 01:38 #223739 by paulsao

Replied by paulsao on topic Spotting Qtplasmac

I tested it at 500ms but after that time the stainless steel plate is completely perforated because it is 2mm, I think I will try a 5mm stainless steel plate.

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rodw
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21 Oct 2021 01:50 #223742 by rodw

Replied by rodw on topic Spotting Qtplasmac

paulsao wrote:
I tested it at 500ms but after that time the stainless steel plate is completely perforated because it is 2mm, I think I will try a 5mm stainless steel plate.

I think there is some latency from the internal torch relay etc that sets the minimum time that you can do. Before we did the timing thing I used to turn the torch off on receipt of an ArcOK which caused a much larger spot.

If you can do it at 500 ms, try going shorter until it stops working then go up a bit. Thats what I did.

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phillc54
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21 Oct 2021 01:53 #223744 by phillc54

Replied by phillc54 on topic Spotting Qtplasmac

In your gcode you need to add $2 to the M5 lines in the spotting section.

They should read:

M5 $2

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paulsao
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21 Oct 2021 02:00 #223746 by paulsao

Replied by paulsao on topic Spotting Qtplasmac

Thanks tomorrow I will test timed the latency of the plasma machine relay and I will manually add m5 $ 2 to turn off the torch, I will report the results.

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paulsao
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21 Oct 2021 15:48 #223825 by paulsao

Replied by paulsao on topic Spotting Qtplasmac

Well I already work at the end adjust the time in 550ms and manually add $ 2 that was missing, I think I am wrong or the postprocessor has that problem.

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MaikTheBike
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21 Oct 2021 18:16 #223829 by MaikTheBike

Replied by MaikTheBike on topic Spotting Qtplasmac

I had the same problem and asked the same question:

forum.linuxcnc.org/plasmac/42673-postpro...smac?start=20#223698

Who wrote the PP for fusion ?
It shouldn't be too hard to add the " $2" to the Fusion 360 postprocessor ?

Thanks

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Spotting Qtplasmac

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