My foldable plasma table
05 Oct 2021 13:27 #222279
by Ekholm
Replied by Ekholm on topic My foldable plasma table
That was really interesting! I will open my plasma and send pictures!
I bump my question. I don´t seam to get the full picture how it all works. I use Autodesk Inventor and hope to use it´s CAM software to generate the G-code. In plasmac i will configure the float switch to a HAL pin. How will the height probing work? Should i add something in the post processor in Inventors CAM software or will plasmac fix that? Thanks /Andreas
I bump my question. I don´t seam to get the full picture how it all works. I use Autodesk Inventor and hope to use it´s CAM software to generate the G-code. In plasmac i will configure the float switch to a HAL pin. How will the height probing work? Should i add something in the post processor in Inventors CAM software or will plasmac fix that? Thanks /Andreas
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05 Oct 2021 17:15 - 05 Oct 2021 17:17 #222293
by Ekholm
Replied by Ekholm on topic My foldable plasma table
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Last edit: 05 Oct 2021 17:17 by Ekholm.
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05 Oct 2021 17:22 #222296
by Ekholm
Replied by Ekholm on topic My foldable plasma table
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05 Oct 2021 23:16 #222318
by phillc54
linuxcnc.org/docs/2.8/html/plasma/plasma...tml#_mandatory_codes
linuxcnc.org/docs/2.8/html/plasma/plasma...mac_specific_g_codes
linuxcnc.org/docs/2.8/html/plasma/plasma...asmac_gcode_examples
Replied by phillc54 on topic My foldable plasma table
Plasmac will handle all probing, all it reqires is a spindle 0 start to indicate the beginning of a cut.I bump my question. I don´t seam to get the full picture how it all works. I use Autodesk Inventor and hope to use it´s CAM software to generate the G-code. In plasmac i will configure the float switch to a HAL pin. How will the height probing work? Should i add something in the post processor in Inventors CAM software or will plasmac fix that? Thanks /Andreas
linuxcnc.org/docs/2.8/html/plasma/plasma...tml#_mandatory_codes
linuxcnc.org/docs/2.8/html/plasma/plasma...mac_specific_g_codes
linuxcnc.org/docs/2.8/html/plasma/plasma...asmac_gcode_examples
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07 Oct 2021 07:04 #222428
by Ekholm
Replied by Ekholm on topic My foldable plasma table
Thank you so much for your help! I hope to have some sparks flying during the weekend!
What do you think about wiring a THC on this plasma? Is it possible? Should the thc be after the inductors? I think i marked the output of the mosfets, but i guess that the inductor will smooth out the voltage rippel?
What do you think about wiring a THC on this plasma? Is it possible? Should the thc be after the inductors? I think i marked the output of the mosfets, but i guess that the inductor will smooth out the voltage rippel?
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07 Oct 2021 07:07 #222429
by phillc54
Tommy is the expert on the wiring, I am sure he will be able to point you in the right direction.
Replied by phillc54 on topic My foldable plasma table
I hope it works for you.Thank you so much for your help! I hope to have some sparks flying during the weekend!
What do you think about wiring a THC on this plasma? Is it possible? Should the thc be after the inductors? I think i marked the output of the mosfets, but i guess that the inductor will smooth out the voltage rippel?
Tommy is the expert on the wiring, I am sure he will be able to point you in the right direction.
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07 Oct 2021 10:43 #222442
by tommylight
Replied by tommylight on topic My foldable plasma table
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07 Oct 2021 12:47 - 07 Oct 2021 13:06 #222452
by Ekholm
Replied by Ekholm on topic My foldable plasma table
Interesting! I will try to make a video of the area. Do you have any more information of the connection of the resistors? Will order the THCAD card soner then i thought ;D *edit; ordered*
Last edit: 07 Oct 2021 13:06 by Ekholm.
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07 Oct 2021 14:27 #222458
by tommylight
Replied by tommylight on topic My foldable plasma table
Solder a piece of wire to one pin of the resistor and isolate it, the other pin solder to the plasma board.
Same for both resistors.
Testing procedure:
-After wiring THCAD, remove the connector that goes to the electronics box, leave just the connection to plasma, start plasma manually while cutting some scrap material = if no smoke, move on,
-Have the torch in mid air and fire it for 3 seconds, not cutting just leave it on and off several times = no smoke, move on,
-Have the torch nozzle touching a scrap plate and fire the torch, beware this will destroy the nozzle so use an old one for this, do this 2 to 5 times = no smoke, move on,
-Attach the other connector to the THCAD with electronics OFF, repeat the above tests just once or twice each = no smoke, move on,
-Power on the electronics, enable the drives, open a gcode file and run the machine, while the machine is running repeat the above tests once or twice each = no smoke, everything is OK.
Same for both resistors.
Testing procedure:
-After wiring THCAD, remove the connector that goes to the electronics box, leave just the connection to plasma, start plasma manually while cutting some scrap material = if no smoke, move on,
-Have the torch in mid air and fire it for 3 seconds, not cutting just leave it on and off several times = no smoke, move on,
-Have the torch nozzle touching a scrap plate and fire the torch, beware this will destroy the nozzle so use an old one for this, do this 2 to 5 times = no smoke, move on,
-Attach the other connector to the THCAD with electronics OFF, repeat the above tests just once or twice each = no smoke, move on,
-Power on the electronics, enable the drives, open a gcode file and run the machine, while the machine is running repeat the above tests once or twice each = no smoke, everything is OK.
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07 Oct 2021 15:48 - 07 Oct 2021 16:47 #222464
by Ekholm
Replied by Ekholm on topic My foldable plasma table
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Last edit: 07 Oct 2021 16:47 by Ekholm. Reason: Added a question
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