I bought a laser cutter/engraver, had a few issues getting it working and they have now been solved.
So I thought I should start a new thread.
My laser cuts inaccurately. Period.
for example in the x direction its fine but in the y direction it is about 5% out. If I cut a square 100 x 100 (x,y) it cuts 100 x 105.
If I compensate and reduce the y axis percentage to say 95% it's pretty close but no matter what I do I get weird results. eg if I ask it to cut a 5mm circle it will start in one spot, follow roughly where it is supposed to go and then when it gets to the end it might be a millimetre or two out, so it cuts a shape a bit like a single loop spiral. You have to tear it out because it's still joined to the main sheet.
I tried cutting a 5mm x 100 rectangle and it cut one line about 5mm but the rest of the rectangle was close to 4mm by 10mm so it was a bit like a "b" shape, eg it had a stem one one side.
When I got it to cut a bunch of big circles you could see they weren't perfect, they were slightly oval in shape, and even if you compensated on the y direction they still didn't look symmetrical.
Anyone know what might be causing this and how I might fix? The manufacturer has stopped communicating with me because I wanted to take them up on their warranty and get a replacement or my money back.
Just how accurate are laser cutters in general?
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