Another plasma component...

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09 May 2019 03:15 - 09 May 2019 03:15 #133223 by rodw
Replied by rodw on topic Another plasma component...

phillc54 wrote: I am happy to try to write converters to allow creating a plasmac material file from other tool files as I have done for SheetCam which are the only ones I have seen and which I doubt I will use myself.


I think when we are done, I'll be asking you to write one the other way. Export a plasmac materials file to a sheetcam tool table!
Last edit: 09 May 2019 03:15 by rodw.

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09 May 2019 06:39 #133228 by phillc54
I have pushed the new basic material handling update. There a quite a few file changes...

Most of the code changes are in these:
configs/sim/gmoccapy/plasmac/plasmac_run.glade
configs/sim/gmoccapy/plasmac/plasmac_run.hal
configs/sim/gmoccapy/plasmac/plasmac_run.py
configs/sim/gmoccapy/plasmac/plasmac_config.py

There is one new file which is the M code for the material change:
configs/sim/gmoccapy/plasmac/M190

The inifiles have all references to remap removed,
configs/sim/gmoccapy/plasmac/imperial_plasmac.ini
configs/sim/gmoccapy/plasmac/metric_plasmac.ini

All ngc files have the new feed rate code
nc_files/plasmac/imperial_circles.ngc
nc_files/plasmac/imperial_ihs_skip_0.ngc
nc_files/plasmac/imperial_ihs_skip_1.ngc
nc_files/plasmac/imperial_line.ngc
nc_files/plasmac/imperial_squares.ngc
nc_files/plasmac/imperial_wrench.ngc
nc_files/plasmac/metric_circles.ngc
nc_files/plasmac/metric_ihs_skip_0.ngc
nc_files/plasmac/metric_ihs_skip_1.ngc
nc_files/plasmac/metric_line.ngc
nc_files/plasmac/metric_squares.ngc
nc_files/plasmac/metric_wrench.ngc

The material_change_ngc files have material handling and cutter offset code
nc_files/plasmac/imperial_material_change.ngc
nc_files/plasmac/metric_material_change.ngc

The README.md file has been modified, I would appreciate feedback on this, good or bad...
configs/sim/gmoccapy/plasmac/README.md

The tool verter has been renamed to materialverter in keeping with the other changes:
configs/sim/gmoccapy/plasmac/materialverter.py

All remap files have been deleted:
configs/sim/gmoccapy/plasmac/plasmac_feed.ngc
configs/sim/gmoccapy/plasmac/plasmac_tool.ngc
configs/sim/gmoccapy/plasmac/python
configs/sim/gmoccapy/plasmac/python/remap.py
configs/sim/gmoccapy/plasmac/python/toplevel.py

I have also removed the following so in future they won't overwrite your local files:
configs/sim/gmoccapy/plasmac/IMPERIAL_PLASMAC.pref
configs/sim/gmoccapy/plasmac/imperial_plasmac_config.cfg
configs/sim/gmoccapy/plasmac/imperial_plasmac_run.cfg
configs/sim/gmoccapy/plasmac/imperial_plasmac_tool.tbl
configs/sim/gmoccapy/plasmac/METRIC_PLASMAC.pref
configs/sim/gmoccapy/plasmac/metric_plasmac_config.cfg
configs/sim/gmoccapy/plasmac/metric_plasmac_run.cfg
configs/sim/gmoccapy/plasmac/metric_plasmac_tool.tbl
configs/sim/gmoccapy/plasmac/plasmac.halshow

I hope I have finally got it right, it has been a challenge...

This doesn't yet have:
Set IHS skip type to match THC mode.
HAL pin for THC disable.
THC start delay.

These are in the pipeline, I need a beer break now.

Cheers, Phill.

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09 May 2019 07:29 #133230 by rodw
Replied by rodw on topic Another plasma component...
Sounds like a plan Phill. I just did a git pull and rebuilt so I'll work through getting it on to my live config in the morning.
Thc start delay can be done in hal without modifying your component. Just use a delay on the spindle on. Thats how most of us have done it.

But it does need to be a setting in the materials file that is edited on screen.

I'll follow your lead now and go home via the beer fridge!

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09 May 2019 10:54 #133233 by phillc54

islander261 wrote:
My machine is working nicely right now. Because I am now working an outside job at the busiest time of year for my own production work I will not be updating to the newer versions until I have more time in about 2 months. Sorry but the old " If it isn't broken don't fix it" is driving the show for me right now.

John,
I am glad it is working for you and I really appreciate the time you have spent testing this config. I also hope I haven't cost you too much in consumables...

Cheers, Phill.

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09 May 2019 13:56 - 09 May 2019 14:02 #133239 by islander261
Phill

Thank you, the Plasmac branch has resulted in improved consumable life for me!

I am actually quite surprised by how well the Plasmac branch works without the THC servo delay, the THC just locks onto the set point and holds. Of course it goes without saying that I haven't even tried to use the Auto Volts function yet. I get such good electrode life that I don't need to try and compensate for wear right now, 3,000 plus pierces on average and many much more.
John
Last edit: 09 May 2019 14:02 by islander261.

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09 May 2019 15:12 #133246 by JTknives

rodw wrote: jtknives, it sounds like you have spindle.0.on connected to the other relay somehow. It should be connected to plasmac.spindle-on in hal.

Just recapping, spindle.0.on goes high on a M3 and I guess plasmac internally connects it to your torch on relay but the pulse button just triggers the torch on relay bypassing spindle.0.on


Where would I find this at. I looked through machine.hal and searched for spindle and it all looks correct. I also updated and it’s still triggering the wrong relay.

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09 May 2019 15:31 #133248 by JTknives
Ok I solved the issue. I completely forgot about the chain of events that happen when you call an M3. That relay is the ohmic relay, facepalm

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09 May 2019 16:02 #133250 by JTknives
So when I trip the ohmic or floating z switch after I run m03s1 I get a error saying “ohmic probe/floating switch detected before probing program is paused”

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09 May 2019 16:23 - 09 May 2019 16:24 #133251 by andypugh

rodw wrote:

phillc54 wrote: Particularly if you work with the arcane docs editor used in the linuxcnc environment. I hope Andy pops in and points you in the right direction on that one!


The manpages are written on groff / trof or something like that, but I don't think that is the way to document this.
(And if you write a .comp then the compiler converts for you automatically)

The "real" docs are written in Asciidoc, and that's much friendlier. You can even edit and preview directly in Github,

Here is some documentation from the LinuxCNC source viewed "raw"
raw.githubusercontent.com/LinuxCNC/linux...c/config/pncconf.txt
As you can see, it is entirely legible even as markup source.
It gets pre-rendered by Github in the default view:
github.com/LinuxCNC/linuxcnc/blob/master...c/config/pncconf.txt

Last edit: 09 May 2019 16:24 by andypugh.
The following user(s) said Thank You: phillc54, rodw

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09 May 2019 16:58 - 09 May 2019 16:59 #133254 by sevaz
Replied by sevaz on topic Another plasma component...

JTknives wrote: So when I trip the ohmic or floating z switch after I run m03s1 I get a error saying “ohmic probe/floating switch detected before probing program is paused”

You should probably check probe height in the config tab
Last edit: 09 May 2019 16:59 by sevaz.

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