A couple months ago I designed an overhaul for my cobblebot vanguard since the original design is awful. Ever since I’ve had layering problems that I’m convinced is horrible z wobble because the threaded scre nuts are on long bars, but may just be extrusion. Does anybody think it’s z wobble and if so how to fix it?
Do your have a belt installed? If yes, are you tensioning it?
What is that by the endstop? Looks like springs?
The x and y axis have belts that are pretty well tensioned, the x axis belt isn’t visible behind the v-slots
Do you have any springs or tensioners on the belts?
I have tensioner on both
Photo…
It’s it a spring?
What kind of couplers you are using between motors and lead screws? One problem could be your z-axis motor setup. Basically you are holding whole z-axis weight axially on the radial bearings of the stepper motors. And if you have a flexible coupler between motor and lead screw, you have added practically a spring there.
You could try to support the lead screw with an axial bearing from the bottom of it (radial bearing will also do well in this case).
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Everything feels solid, it doesn’t seem like the coupling is causing it but it could be
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Tension the belt without the spring
It’s the same issue I had on my CobbleFlop.
Remove the springs on the belt.
It causes your rippling…
Really? I’ll try that. You don’t think anything is wrong with the z axis?
Yes, springs in your belt flex. and cause ripples.
You need to ensure belts are tight (like plucking a guitar string)
Z axis should be ok.
I do however recommend you upgrade your setup, as per @Tinkering_On_Steroid
I would , but I wanted a Taz style geared Wade extruder so I had to make my own
Thanks for your help