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Oddly spaced horizontal interval lines

Posted: Mon May 30, 2022
by Mathew Hamas
Hello, I am at a complete loss with one of my lasers. It's a monport 55w, brand new.
After running tests today I have discovered my issue only happens when engraving bi directionally. It is horribly consistent and happens in every corner of the cutting bed.
I have adjusted belts, inspected pulleys, lowered acceleration speeds, engraving speed/power, and much more. Nothing seems to get rid of it. I am all ears if anyone has a possible solution. I'm thinking there is a controller, stepper, or software issue but I'm not sure.

The attached picture.. lines on the left is with bi directional on and the lines on the right bi directional is off
Thank you

Re: Oddly spaced horizontal interval lines

Posted: Sun Aug 28, 2022
by Edouard Connor

Re: Oddly spaced horizontal interval lines

Posted: Sun Aug 28, 2022
by Gene Uselman
I would suspect a mechanical problem- a bit of looseness somewhere. When checking the pulleys, there are sometimes two grub screws- one tightens to the shaft and the second one locks the first.