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Setting request #189
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I know the problem, is very common with light coloured materials and low power lasers. |
It wasn't LaserWeb; It's the JTech plugin for Inkscape which has this setting, and looking at the generated code it is as you suggest, using G4 for the delay . In the code below, G4 P1.23... is a 1.23 second delay I set in the configuration. (P sets the delay units to seconds.)
Looking a bit deeper, the laser-on pause with no movement works when using G3 (constant laser power mode). In mode G4 (dynamic laser power mode) the laser is only powered when moving so the G4 pause just waits with laser off. This is by design and in the GRBL 1.1 laser mode documentation. Andy. |
added to roadmap |
I'm really looking forwad to this feature. When do you expect this? |
a lot of feature request and few spare time now... i cannot tell when I can do this |
Has this been implemented or not? I see a few issues opened with the same problem, the laser takes a little while to switch on, but I can't see as there has been any actual way to resolve this using laserGrbl. |
Apologies for the chatter, but I agree this feature would be useful. In the meantime, a tedious, manual workaround I use is:
One of my everyday setups is a very cheap "DIY CNC2418" with a similarly cheap 0.5W laser. The laser is very slow to respond to spindle commands, So if I configure acceleration and feedrates for a tolerable run time, there's a lot of incomplete lines - even on paper. So once I've sorted out all the other relevant adjustments, I use the steps above. |
Great software, but could I request a feature :
When engraving on a light coloured material (e.g. birch wood) the laser sometimes does not char quickly enough to start a track so the line isn't engraved. Another GCode generator (I think it's LaserWeb) has a 'delay' setting, which, after a laser off move, energises the laser then waits for a time before starting the engraving move. Sensible default for this would be 0 (i.e. no delay) up to 200 ms or so.
Andy.
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