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The only downside to fatter ball screws is the greater degree of rotary momentum they develop. I don't see this as a big issue with the Z axis, since it never has a chance to get going very fast, but...

Make sure you get Vectric's sign-off on this, because license transfers aren't recognized without it.

An extremely dull bit could account for lost steps and jerky motion while cutting. It would also explain why the program worked okay with the spindle running in air. But the limit switch errors are...

It could be radio-frequency interference (RFI) from your spindle leads. Try running the program "in air" above your workpiece without running the spindle. If it works perfectly, check the grounding...

Take a look at MOI (Moment of Inspiration). It's a simple but powerful 3D program that's easy to get started with. You buy it outright - no subscription required, and your models are your own, not up...

I think the shipping costs would make most prospective buyers think twice - or maybe 4 times.

Those M8 threaded rods are probably part of your problem. Screws like this aren't often used for leadscrews because they have a lot of resistance to motion, often in some spots more than others....

Compare the file that was fixed to the original one that didn't work. Pay particular attention to the initial string of characters, which may have contained a command that was causing the file to...

Have you tried asking Multicam?

I'd look for mechanical issues first, like a coupler or pulley that's slipping or a bearing that's loose. If you can't find anything like that, try reducing the acceleration on any axis that's not...

Usually, stepper drivers run on DC, not AC. If yours really runs on AC current, you won't need the transformer, which puts out DC electricity. But the 18 -80v specification sounds more like DC than...

Have you measured how far each axis moves when commanded to go a certain distance? The simplest explanation is that your steps per unit need adjustment.

Have you made a picture of this thing? I'm trying to visualize it - especially the part about it building its own Y axis as it goes - but not having much success.

I'd suggest using steel beams...

The most I've seen a breakout board control is 5 axes. Maybe you could gang up two of them. But you'd still need a separate driver for each motor. If the motion you need is pretty basic, maybe a...

Taig offers two controllers for their mills. The basic one is an open-loop half-stepping system that's generally reliable with Mach3. The more deluxe DSLS (Digital Servo Lock System) counts steps as...

Masso makes stand-alone controllers that don;t require a PC: https://www.masso.com.au/shop-info/

Could the tool be slipping in the collet? The helix on an endmill tends to put downward pressure on the tool as it engages with the material, and it can be dragged downward. Try putting a mark on the...

Points given for innovation here, but I don't see this working too well. By lifting the whole gantry beam for each Z move, while the spindle is fixed in position, you lose the ability to descend into...

I'd never heard of DrufelCNC, but according to the site. it seems like it takes regular G-code. https://drufelcnc.com/?c=gcode To set the units to mm, give it an initial G21 command. To make it go...

If the holes are all in a straight line down the middle of the tubes, it seems that you should be able to build a 2-axis machine fairly easily that would do this for you. Think of an easily loadable...

My guess is that you're running high-impedance stepper motors with insufficient power. GRBL systems usually have that problem. Gearboxes aren't usual on stepper driven CNC systems; they make them...

I like it, and sure - it's art. I especially like the subtle variation of the waves. Was it really generated entirely by your custom CAM program, or did you basically design it in CAD and then...

I don't think there's a problem with the X and Y machine origin coordinates being negative numbers. That's just a reference point; the origin your G-code will work from are the "floating zeroes" you...

If you're able to run Fusion 360, try creating a small, simple test part, and creating a G-code program, using the Eding post. Use the center of the drawing as the origin of the part, and set your X...

Have you tried gently twisting the E-stop button to release it? It sounds like it might be locked. If the software didn't require homing previously, but is giving an error message now with the E-stop...

I'm sorry to hear about your health problems, and hope you beat them soon and can concentrate on building guitars again full-time. I'm not familiar with Eding CNC - does it accept regular G-code, or...

I'd say either your limit switch isn't working, or the signal from it isn't reaching the control panel.

It sounds like a problem with the depth of cut at that feedrate. If a 1/4" cut works fine, but your bits all snap when you cut thicker stuff just as fast, either change the toolpath to only cut 1/4"...

Have you asked Mecsoft about any of these issues? Usually, their tech support is pretty responsive, and they will write (or re-write) a post that matches the kinematics of your machine, assuming...

Lost steps, probably.