Laser Engraver Forum

I have an LS6040 PRO Edition Laser Cutter

http://hpclaser.co.uk/index.php?main_pa ... ducts_id=6

The mirrors do have lock nuts and I do them up after alignment.

I have ordered a replacement lens anyway. I think I wrecked the current one.

Additional: I realigned the mirrors tonight and they are spot on. However, on a test cut a second burn appeared. see pic below. I also cleaned the head lens tonight for the first time properly by taking it out. It had like a silver glitter over the edges and when I looked at it at an angle I could s...

Thanks Guys. They go out of alignment after a couple of hours of use.

Hi. I recently bought a laser engraver and it seems I spend a lot of time aligning my mirrors. Once they are aligned it cuts and engraves great. But after 5 or 6 small 10 minute jobs the cutting power gets less and I start to get secondary burn marks and not cutting as deep on the same settings and ...