Search found 3 matches

by retracile
Fri May 07, 2021 8:10 pm
Forum: Buildbotics Tech Support
Topic: Circle cutting problem
Replies: 3
Views: 5317

Re: Circle cutting problem

Thanks, Doug. I measured the backlash on my Y-axis; it was a whopping 0.0265". I had a clamp that hadn't been tightened, and the nuts on the end of the ball screw were not tightened down. (Sloppy work installing the conversion, what idiot forgets to tighten these things... oh, wait, I did that insta...
by retracile
Thu May 06, 2021 8:53 pm
Forum: Buildbotics Tech Support
Topic: Circle cutting problem
Replies: 3
Views: 5317

Re: Circle cutting problem

Hm... I've stumbled across some articles on backlash and how that can affect circles. The irregularities in my circles don't line up with the X/Y axis, but I would not be surprised to find that's the cause. So that looks like a promising lead to me. Other pointers also welcome, but I plan to start t...
by retracile
Thu May 06, 2021 6:30 pm
Forum: Buildbotics Tech Support
Topic: Circle cutting problem
Replies: 3
Views: 5317

Circle cutting problem

I'm attempting to cut some circles, and winding up with a shape that is not-quite-a-circle; more of a skewed, mostly-roundish shape. With a bit of imagination you might call it a skewed lemon shape. Total newbie here; feel free to ask me the dumb questions, 'cause I may be doing something utterly st...