I noticed this mail while goggling but I thought I would reply even
though it's outdated.
1. Realtime errors are caused by your computer not being able to run the
base task thread as fast as the sample is configured, this can be fixed
by changing:
BASE_PERIOD = 35000 (something like 50.000 should be safe
for your machine.
2. Once you have reduced the BASE_PERIOD you need to reduce the maximum
velocity or change the step/distance ratio (INPUT_SCALE):
INPUT_SCALE= 150.333 (If you change this to 10 this gives a
maximum resolution of 0.1mm, fine for testing)
3. Travel Height is the height at which your torch travels, any time
your torch is not cutting but is moving (G0) it defaults to this height
in order to avoid colliding with warped material or other obstacles.
4. There is no need to specify any Z moves, all moves/probing is
automatic. The sample files are mostly for milling machines and as such
have Z moves, I will supply a sample plasma cutting file.
I expect to upload a new sample config next week, in addition to other
fixes I will reduce the default timings so that the sim works out of the
box on all machines and that there is an appropriate sample.
R.
Jarl (Dallur/Rugludallur)
John Thornton wrote:
>On 6 Feb 2008 at 9:30, [EMAIL PROTECTED] wrote:
>
>Petri
>
>I'm building a cnc plasma machine at the moment...
>
>I get errors too when trying to run a file... If I come up with a solution
>I'll holler back at you...
>
>If you want to discuss plasma ideas feel free to e mail me.
>
>John
>
>
>
>>Hi
>>
>>I'm new with EMC2. I'm interested about EMC2 and I'm trying to learn
>>how it works, but now I have a problem where I will need a little
>>help.
>>
>>Does plasma-thc-sim work for you? When I try to run it I always get
>>"joint 0 following error". I also get some realtime errors because I
>>have not yet found proper configuration for my machine (even I have
>>tried quite hard). I'm not sure but I think that this following error
>>is not side effect of those realtime errors.
>>
>>Of course it is also possible that I operate the system in a wrong
>>way. What I do is: - start EMC2 with plasma-thc-sim - release ESTOP -
>>turn machine ON - push Home All - push Begin Execution
>>
>>After a few seconds I get that following error.
>>
>>
>>I have tried to read all information what I have found about THC, but
>>still I don't completely understand the operation. Can somebody give
>>me a little advice.
>>
>>1) what is meaning of "Travel Height"
>>
>>2) how Z axis should be controlled in the G-code file? Does THC logic
>>control Z axis totally so that there is no need for Z moves in G-code,
>>only M3/M5 command are needed or how does it work. In the example file
>>there are many Z moves and no M3/M5 commands. Is arc turned somehow
>>off between cutting letters or not. So, as you see, I'm a little bit
>>confused.
>>
>>Petri
>>
>>ps. with configuration sim/axis-mm (for example) everything seems to
>>work fine, but at this time I'm especially interested about that
>>plasma control system pps. I'm using version 2.2.3 installed from live
>>CD
>>
>>
>
>
>
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