Always Active THC for Fiber Laser
- Uthayne
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30 Apr 2024 18:45 #299414
by Uthayne
Always Active THC for Fiber Laser was created by Uthayne
I have a need for the THC to be always active, regardless of torch_on state or current velocity since the fiber laser senses capacitance at the nozzle which doesn't care if the "torch" is on or off. This is also a convenient way to tune the THC and Z-axis parameters during a dry run. Maintaining a closely controlled cut height is crucial to high cut quality.
For my testing purposes, I modified plasmac.comp as follows:
IS:WAS:
also,
IS:WAS:
I realize that as written this breaks functionality for plasmas, so something more elegant will have to be created that includes a LASER_MODE bool or something similar as we start to grow the fiber laser features of Plasmac.
Phill/Snowy, if there's an easier way to do this outside of the plasmac.comp, I'd be interested in knowing
Thanks!
For my testing purposes, I modified plasmac.comp as follows:
IS:
if(!mesh_enable && !ignore_arc_ok_0 && !ignore_arc_ok_1){ //THC active during dry run *LASER*
if(torch_on && !mesh_enable && !ignore_arc_ok_0 && !ignore_arc_ok_1){
also,
IS:
if(current_velocity * 60 > 0){ //always enable THC *LASER*
if(current_velocity * 60 > requested_feed_rate * 0.999){
I realize that as written this breaks functionality for plasmas, so something more elegant will have to be created that includes a LASER_MODE bool or something similar as we start to grow the fiber laser features of Plasmac.
Phill/Snowy, if there's an easier way to do this outside of the plasmac.comp, I'd be interested in knowing
Thanks!
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01 May 2024 00:26 #299433
by phillc54
I think that the LASER_MODE bool would be the best way to go.
Replied by phillc54 on topic Always Active THC for Fiber Laser
I realize that as written this breaks functionality for plasmas, so something more elegant will have to be created that includes a LASER_MODE bool or something similar as we start to grow the fiber laser features of Plasmac.
Phill/Snowy, if there's an easier way to do this outside of the plasmac.comp, I'd be interested in knowing
I think that the LASER_MODE bool would be the best way to go.
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03 May 2024 01:22 #299602
by Uthayne
Replied by Uthayne on topic Always Active THC for Fiber Laser
This is what I have changed it to:
For input pins,
For input pins,
pin in bit laser_mode "laser mode for fiber lasers";
/* while cutting and it is not a dry run or laser mode is enabled and mesh mode is not enabled:
* if thc is enabled then vary the torch height to keep the arc voltage constant
* if corner lock enabled, only allow THC if current velocity is greater than the threshold percentage of requested velocity
* if voidlock is enabled, only allow THC if the voltage change is less than the threshold voltage
* adjust torch height and target voltage to suit if height override requested */
if((torch_on || laser_mode) && !mesh_enable && !ignore_arc_ok_0 && !ignore_arc_ok_1){
if(target_volts == 0){
cornerlock_is_locked = TRUE;
/* wait until velocity reaches 99.9% of requested velocity or if laser mode is enabled*/
if((current_velocity * 60 > requested_feed_rate * 0.999) || laser_mode){
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03 May 2024 01:35 #299603
by phillc54
Replied by phillc54 on topic Always Active THC for Fiber Laser
Would you like to create a pull request for this?
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03 May 2024 01:36 #299604
by Uthayne
Replied by Uthayne on topic Always Active THC for Fiber Laser
Yes I will be submitting one. Just testing a few things out and making sure everything is good to go
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03 May 2024 04:11 #299606
by phillc54
Replied by phillc54 on topic Always Active THC for Fiber Laser
Great, could you please also bump the version numbers in both:
src/hal/components/plasmac.comp
share/qtvcp/screens/qtplasmac/qtplasmac_handler.py
and also add an update to:
share/qtvcp/screens/qtplasmac/versions.html
src/hal/components/plasmac.comp
share/qtvcp/screens/qtplasmac/qtplasmac_handler.py
and also add an update to:
share/qtvcp/screens/qtplasmac/versions.html
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03 May 2024 19:40 #299667
by Uthayne
Replied by Uthayne on topic Always Active THC for Fiber Laser
Pull request has been submitted.
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