Circles cutting erratically and jagged
Hi, need a little help. I have searched the Forum and tried the various solutions but to no avail.
My Chinese laser SG350 (Ruida) is not cutting circles and arcs properly, as the photo shows. Circles are at various speeds.
Happened a few weeks ago and I lubed the rails and it helped but started doing it again a week later, lubed again but did not help so I reset the XY axis and it helped for a day. Checked for loose lens, belt tension is fine, no loose pulleys and mirrors aligned. It occurs exactly the same at various locations across the bed. Has anyone got any suggestions? Would a factory reset help? By doing a factory reset will I have to calibrate everything again? Thanks
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Re: Circles cutting erratically and jagged
Flats in circles could be from low steps per rev setting on the drive. As the circle is drawn it can’t make fine changes due to a course drive setting, resulting in flats. This is a problem with belt drives that have a large movement per stepper rev.
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Re: Circles cutting erratically and jagged
Hi, I have somehow managed to get it 99% better. I had to set a Y offset of 0.1 in the settings and this seemed to help. Still not sure why it started doing it after 3 years of smooth running.
Thanks for the reply
Re: Circles cutting erratically and jagged
Did you ever figure this out. I have a similar problem. Chinese blue and white 50W.
Re: Circles cutting erratically and jagged
Hi, no never really sorted it out. Since this post I completely reset my machine and reloaded settings from here https://rdworkslab.com/viewtopic.php?f=43&t=457 , it sorted the problem out for a few months then it started again.Originally Posted by pinchio
last thing I did was tighten my Y axis belt super tight and it helped but the machine still does it every now and again.
I have put it down to Software error as it is never consistent.
Re: Circles cutting erratically and jagged
Your belts should never be ‘super tight’. Finger tight is tight enough. You’re not driving a cam in an ICE.
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