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Not only the limitations of base-10 math, but the limitations of binary math too; floating point arithmetic is far from precise, and some numbers...
Nothing in either G-code looks wrong from skimming through both. ~3/8" deep numbers, 3/4" oval cut, decent stepdowns, 10IPM plunges, 40IPM cutting...
Happens all the time, just the way the mathematics of the motion calculations shake out when grbl reports them. Think of the command more like...
Haven't modelled anything yet- literally just finished the model and ran the renders before posting, and I'd had enough of Fusion's...
...Why would the z limit be hit by the z axis going down into the work? Z limit is used to demark the top of the axis travel.
Thanks! Yeah each axis rail is a pair of C-Beams in opposition, spaced on the ends by pieces of 2060 V-Slot, and held in place on the back side by...
Yeah, I'm partial to it. :D I'd love to be able to run it like a mill-turn, but at 80:1 reduction on the Harmonic Drive to hit reasonable...
Machine coordinates are defined by your home switches. When you have no home switches, it's pretty much wherever the machine is when you turn grbl...
Ah. This is not the same problem as “instant”. This is noise from the steppers/wires.
Since the laser's basically done at this point and the need for a large format multi-material machine has come to the fore, it's time to pull...
Well, I've alluded to it for long enough. Finally finished the model enough for my purposes last night, so it's time to pull the cloth off this thing!
Rob Taylor published a new build: A 1500x1200mm, 20mm rail and 1610 ballscrew, heavy-duty, four-axis gantry machine. As high speed as spindle...
Check the continuity of your wires and switches? NC limits throws an error if your wiring has a break, that's why it's considered best practice...
\i think you need to do more research into types of fiber laser- there are several- and how they work. At an extreme basic commercial level, you...
Oh, I had a pretty good idea of what it was. I'd definitely still try and put that on a machine, it's not that excessive for the home shop, except...
If you type in G91 G21 G1 X80 Y80 F300 and hit go what direction does your spindle move?
Just Google the model numbers. For example, looks like the 299s are more or less pretty standard 4.5Nm NEMA 34s, common in XY stages. I have a...
According to Google that's the "Bell-Everman belt drive". I'm mildly dubious, but who knows. I'd call a "static belt" any version of a drive...
You could use a static belt- either looped or as a rack, but with very low feed speeds and relatively low forces you could use a leadscrew (if you...
If all else fails and the motor itself still seems to be good, check resistance of +A/-A and +B/-B directly from the driver ports inside the...
