Originally Posted by
zax15uk
Hi, I apologize for re-activating this old thread.
I just received an Artsign JSM-40 and need some advice.
Some background...
The alignment was terrible out of the box. After a lot of effort, and some new screws I now have the laser parallel to the axis but it is not centered in the mirrors (it's probably half way from center to edge). It does enter the center of the hole to the final mirror no matter where you place the head. I am unable to center on the Y-axis mirror as there isn't enough movement in the rear mount (near the laser exit). I plan to fix this but first wanted to get it working before the warranty expires!
So, here's where I need help. If I quickly hit 'test laser' at 100% power it shoots a tiny hole through 1/8" acrylic (Plexiglas/Perspex) but when cutting at 1 (slowest setting in the software) it is not making it all the way through. Playing with focus I can get it so light is visible in places (just). It will do a nice job at 1/2 power and 1 for speed using 2 passes.
Does this sound right? I was expecting 1/8" acrylic to cut easilly in 1 pass, even though I expected the 40W chinese laser to be more like 35W. I believe the problem is the software, if I could select 0.5 for speed I'd probably be fine.
I'm considering replacing the driver board, probably with a Xylotex as that's what I have on the CNC router and it works well.
Suggestions, advice... anything?
Zax.