Hello! Today I tried to engrave some grid using lines, but unfortunately the first line always starts later if I have the min. power set below 9.5% (the others engrave without problem up to about 7%), does anyone have any idea what this could be / how to solve it? Unfortunately I can’t afford to increase the speed as I’m limited by the Y axis to 300mm/s for the cut. If anyone has any tips or other ideas on how to fix this I would be more than happy. Thanks all! Dominik
If that’s on the 60 W machine in your profile, then the tube likely won’t fire reliably below about 10%. The tube in my machine will fire at 9%, although it produces something of an irregularly dotted line rather than a clean burn.
Basically, you can’t fix it, because that’s how CO₂ tubes operate.
Also, the screenshot shows the layer is set to Offset Fill, which is not recommended for small shapes like letters. Per the doc:
Offset Fill is intended for designs with a lot of space in between graphics, to cut down on the amount of travel time necessary to fill large, hollow shapes. If that description does not apply to your graphics, it’s best to use Fill instead of Offset Fill.
You may get better results with ordinary fill mode, although it still won’t let the laser fire at lower power levels.
Yes, I accidentally entered the wrong image, the line is normally via line mode, I understand the 10%, I just forgot to mention that when I engrave the layer with the grid (lines) separately, everything is engraved as it should be, I only have this problem with the first line when I run the whole program… (all layers in one file)
It may be due to the laser path. If the laser doesn’t begin firing at the start of the thick outline, you might never notice the slightly thinner segment next to the adjacent fully burned passes.
SOLVED! it was enough to put 10ms delay before the layer, probably the controller was calculating the min. power with rapid or some other parameter from the previous layer, thanks everyone!
