I Have the Wainlux JL7 10w laser but when i try and put any speed 9000-6000-4000 mm/min the engraving is always over 1.5x slower and also rough engravings.
What can occur is overscan… the only place the machine can lase, is when it has reached it’s specified speed.
For an engraving the machine needs to slow down, then change direction then accelerate back up to speed. This overscan area is on each side of the engraving. The higher the scan speed the larger the overscan.
There is a point where a higher speed will spend less time actually engraving and more time slowing down, changing directions and speeding back up…
This is a couple of screenshots from changes in acceleration, but it’s the same as changing speed… The overscan is in red… notice the difference in time required…
As a suggestion, try this in the preview… then enable show transversal moves.
I assume this is your machine?
They are not straightforward about how fast it will go… 9000mm/m is 150mm/s and the 6000mm/m is 100mm/s. I notice the advertisements uses mm/s not mm/m.
Some of these will run 300mm/s which is pretty quick…
Another area that you should look at, is what the value of the maximum speed set in the controller.
On a grbl machine you can use $$ in the console to dump the variables to the console… $110 is the Maximum speed for the X axes… $111 for Y axes…
My old data sheet of these states it’s in mm/m… The best way is to use Edit → Machine Settings from Lightburn… they are in English (or your default language) …
If you have issues, sing out…
Good luck
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