New to OneFinity, new to Fusion 360 (familiar with other CAD), new to CNC in general. Running the Woodworker 50 I’ve been slowly getting things working and learning this machine over the last month or so. I’ve begun to notice some inaccuracy in the x-axis when tool paths span much larger than 12 i…

Check the motor to ball screw connection? Tightening the coupler on the ball screw // Updated for quick access holes // Support - YouTube

Hey Craig, you say you make 9 pockets, 3" apart, and that after cutting, the width of the pockets is too small. Is the overall distance, between the first and the last pocket, diminished too?

I’ve not yet checked the ball screw coupler. I did check the pocket to pocket distance before starting this thread, and they seemed pretty consistently right on 3”. Unfortunately I don’t have my calipers with me to be sure. I’ll put it on my to do list.

It’s difficult without large scale precision measurement capabilities, but I think first you need to figure out if it’s a linear cumulative error (bad steps per unit setting), or a backlash issue possibly caused by something as simple as the x-axis ballscrew nut not tightened quite enough, causing …

If time and material permit, perhaps running the same (partial?) path perpendicular to the first on a scrap board and comparing the results.

[image] clhuggins: I did check the pocket to pocket distance before starting this thread, and they seemed pretty consistently right on 3”. I meant overall distance, is the (9 × 3 =) 27 inches distance also diminished?

So I finally was able to run some more long-distance testing. I ran tick marks every .5" with engraving paths down a 30" wide board, and then up a 30" long board. They all look fine. I have also checked the set screws on the coupler for the ball screw shaft. They are very tight. Unfortunately, I’m…

Did you ever figure this out? I just built my wasteboard and it has Dog Holes in it, w/ a diameter fo 19.05 in my design, but as the machine moves further to the right, the holes seem to be tighter and tighter and for at least the right half of the machine, most of the holes are too small. I don’t…

If you have a dial indicator you can use it to test the actual movement of the machine vs the commanded movement across the bed of the machine to verify if there is an issue. Set it up parallel to the direction of travel of the axis, zero it out and then move the axis .5 or .75 and validate the res…

X axis loosing accuracy over long distance

Original/PRO Series (Buildbotics) (Gen 1) Troubleshooting (X35/X50)

markalanevans (Mark Evans) March 19, 2023, 6:50am 13

I’ve created a separate post for my specific issue here btw.

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X axis loosing accuracy over long distance

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