Hello I have had my machine for 5 years, and rarely do I have issues. Over the past week I am carving out circles, and for whatever reason they do not seem to be true or are off a little. Honestly, I have not done much maintenance on my machine, [cubs] so I am wondering if there is something g…

Looks like multiple resin pours. You sure you homed to the exact same spot each time?

I guess that’s another question all together. The home should have been the same every time because I didn’t shit off the machine after I poured and let set up. Can the home change on its own?

It shouldn’t. You sure you placed the workpiece in the exact same position each time? I’m wondering if it’s making circles but they aren’t concentric because something slightly shifted. I’ve had something very similar happen. It looks like the large red circle may be a tiny bit higher than the o…

Yes, I have the spot pretty much locked in. I also had issues on a run of 4 cribbage boards today 2 out of 4 were perfect, 2 lopsided. Kind of weird.

I would start by doing a full service of the lead screws. You could be losing a few steps as the cut is happening. Also how aggressive were you with the cutting. I made a mistake with a 1/2" flat endmill bit and set it cutting at almost 200 ipm at a depth of over 3/4" and being an up cut bit it p…

We’d recommend checking the ball screw couplers as well as a good cleaning! [image] Support: How to tighten the coupler on the ball screw Troubleshooting [Tightening the coupler on the ball screw // Updated for quick access holes // Support]

One thing I always do in a precision cut where the piece has to be removed and replaced on the machine, such as if paint or epoxy is to be applied. Using a 1/4 inch bit, I drill a hole at a known position in the waste portion of the project after homing the machine. When I replace the project for fu…

Now that is a brilliant idea. I really appreciate that.

Machine not cutting true circles

OnefinityCNC (Onefinity CNC Official ✅) November 15, 2024, 4:08pm 7

We’d recommend checking the ball screw couplers as well as a good cleaning!

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Machine not cutting true circles

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