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Hahahah. True. But they do have V-Slot in 'em. ;) I actually agree with this. I think 5mm belts on a 1500mm axis are a bad idea in general, but...
My build will be running 1610 ball screws with rotating nuts on the 1500mm axis, so I'm about as far from racks and belts as it's possible to be....
What you show in the pictures if I'm interpreting the "top" and "bottom right" labelling correctly is appearing as Y-axis backlash- the X is...
I just checked my Arduino library folder on the laser machine and lo and behold, HOMING_FORCE_ORIGIN is totally uncommented. :ROFL: (I regret...
Hmm... I'm not sure I read those the same way: This is just to be able to use limit switches as home switches, as a function of the Uno's...
I just tested a few times with my (grbl, belt drive) laser. My home switches are at -X, -Y, +Z (ie. top front left). G53 X0Y0Z0 is at the pull-off...
Exactly what David said. Most switches, even inexpensive ones, have repeatable trigger points to within microns. Mach is running on a 32-bit...
G-code files that I use are usually .nc or .ngc, sometimes .gcode. I doubt the specific "format" really matters, since the actual file encoding is...
Closed loop is, well, literally what the name implies. It closes the feedback loop at the driver (much easier than at the controller), which...
Because they can be backdriven by the cutter. An ACME/Tr thread can't be backdriven, it's too steep an angle with too much friction. If you let go...
Any "grbl controller" is just a repackaged Arduino Uno- this Phoenix, the BlackBox, all of them. They're hardware projects to make it easier and...
Are you using ballscrews or single-start trapezoidal screws? If the latter, direct manipulation with controller-as-DRO is doable. If the former...
Grbl also only has one enable output pin for all three available axes, but drivers usually default to enabled if you leave them disconnected, or...
At over 1500mm long, an 8mm screw isn't going to perform well no matter how far you tension it. It should be at least a 15/16mm screw, preferably...
If it's an consistently an oval but rotated in C by 45 degrees, that is a weird one. Backlash in one axis would typically show up in the quadrants...
Yeah I don't think I'd use these for NEMA 23 or above, but if I were to do another NEMA 17 project I'd buy them again in a heartbeat. $50 for...
There's a distinct chance that's the problem. A non-Windows laptop that's now a few years old, that's the trifecta of less-than-stellar grbl...
Yes. Or wherever you put G54 Z0 in your CAM file, more specifically. Usually for basic routing people just use the material top because it's...
I wonder if it's speed or acceleration settings? You have a very high top speed and a very low acceleration. You could try turning both the...
I figured that would explain the mystery variation; had you looked at the dropdown between changes, you'd have seen the S numbers change for the %...
