sheetcam.com

update: version 28

mostly changes in gcode production to account for tuning my THC Z Anti-Dive Circuit and the Proma THC SD setting adjustments. You can read about this here: https://forum.sheetcam.com/viewtopic.php?p=31408#p31408 , and it spills over in a crosslink to plasmaspider forum.

Now it will run to high, it post's to far above specified Z height. Starts .700 high not .200 and rapid down to .100 then slow to Z zero then begin cut and .040 ramp to depth of .145. That shouldn't be related to G17 stmt, different problem I believe. Sounds like the "Plunge safety clearance&q...

G17 (XY plane) should be the controller default. Perhaps Mach3 has a setting for this ? I don't know Mach.
You could also edit the .scpost and add G17 in the OnInit() function where G90 and G91.1 are set, on the same line.

you're welcome, glad to help

Error Message says in Mach 3 says, "I word given for arc in YZ plane line 16" YZ plane suggests your controller received a G19 stmt somewhere, but its not in the .tap file attached above. But then neither is a G17 stmt, which puts the controller in XY plane, which should be the default. S...

welcome and greetings Bartman. I've had a similar error due to mistakenly coding in OnArc() function of the .scpost a conditional output of the "I" and "J" words in the G2/G3 grbl arc commands, when I believe that both I and J are required. The function post.ModalNumber() will co...

@devloop- I made a mistake in my previous instruction, you're going to want to remove or comment out more gcode than what I first advised. These are the gcode stmt lines you want to remove or comment out: G0 Z3.000 (retract off probe switch) G04 P0.400 (wait for sw debounce) G38.2 Z-3.000 F100 (prob...

@devloop - sure, no problem. which version of scpost are you using? latest is 26.5 here: https://forum.sheetcam.com/viewtopic.php?p=31407#p31407 So this info is relative to V 26.5 this is the torch probe cycle for Custom post option "Do you have a THC ?" unchecked or NO. ; LDC begin per-cu...

I made an improvement to my THC Z Anti-Dive Circuit (ADC) which made the THC Z STEP blocking more symmetrical in terms of STEP count on the way in to and out of a sharp XY corner. This made a significant difference in lowering the amount of THC Induced Z Error (THC-IZE). See the full test and result...

@neckro23- I happen to run across this thread while searching for the same use case, Are Lua variables supported in code snippets ? It doesn't appear that they are, unless Les chimes in. However, I believe I can help re. the specific code snippet use case you have to change spindle speed while also ...

cross linking to same discussion in plasmaspider forum: https://plasmaspider.com/viewtopic.php?p=233927#p233927

I'm looking for / hoping to exchange usage experience and ideas with folks that are using the Proma Compact THC SD or 150 models. I'm using the SD model on my table with a grbl v1.1i 4 axis controller. The SD is a standalone THC that directly controls Z when it detects a plasma arc, it "hijacks...

version 26.5 26.3 cleaned up msgUnit init, LdcThcONcmd timing after S0 setting, added G94 and S0 to G00 stmt, added RTformat, changed fire cmd to M4 S0, changed LdcThcCtrl to just use M7. 26.4 added $HZ (Z homing cycle) during air supply catchup machine pause events. This is to null out accumulation...

update v 26.2 26.1 added two custom options and external vars for OnDrill(), LdcDrillPdPct and LdcDrillChPct, to better control and allow tuning of drill pecking rather than full piercing. See the prologue for details. 26.2 thanks to Les... added code to auto load the Rotary-plasma plugin library if...

update v26 now I remember why I retired from writing code in my day job 10 years ago ;) So after spending some time on the plasma table this past weekend, the modified torch probe cycle did not work out well 80% through a 130 pierce job on 16gaHR where the minor warppage of the sheetmetal combined w...