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Depending on the precision required, you also need to be sure that the probe itself is both actually round (or oval, or otherwise of radial...
Eeeehhh... I dunno. That's a real non-answer when we're talking about Class IV lasers. I want to see meaningful values in terms of 0.25s exposure...
Yeah I'm interested to know this. I looked into the same thing, and found JTech as the only source of reliable sheet OD acrylic. But 3+ only goes...
We got very excited about roller pinions on this forum 5 years ago, when I knew very little about machine design: ...But you're looking at...
1604 would be weird. Usually it's 1204 or 1605. The lower the pitch the higher the torque though, so I guess go with the 1604s if you can find...
Do you actually need wheels for this kind of machine? I suspect a well designed wooden sliding carriage, maybe with PTFE inserts, maybe some kind...
I imagine Peter doesn't advertise that fact too heavily because it probably makes people underrate BlackBox as a concept. From what I've seen, the...
The BlackBox "Brains" board is just an Arduino Uno in a slightly different package for more convenience of use, but it works exactly the same...
Just picking up the commercial 3D printer is what I did. Ender 3 Pro, $230, done. DIY is fun, but there's a line. Unless you specifically need...
Deep groove bearings can actually take axial loads in both directions of about ~40% of their static load rating, depending on the size. You could...
Go single-row deep groove or roller, use them in a pair- they have to be tightened against each other to work. Look into bearing pairs, spindle...
T and Tr just mean trapezoidal (vs. ACME). That example IS actually a reverse thread, but that's because it says "single start *left*". The "left"...
[ATTACH] is a bad idea, unless you're building your bed from very wide aluminum extrusion, maybe with some C-beam lateral supports. I don't...
You can directly type in line-by-line G-code or just jog- it's perfectly possible to use a CNC machine manually or semi-manually, not everything...
It's all the same as far as grbl's concerned. Direction is in your sender.
gnea/grbl
BlackBox is an Arduino Uno, 4 stepper drivers, a relay or two and a bit of extra IO with some handy plugs all wrapped up in a pretty enclosure....
Depending on the setup (type, price) of the reduction gear, 2-5 thou lash is probably to be expected. A wheel rocks on a worm (just look at...
Yep. As built, I'd be somewhat surprised if that machine could even take a 400W spindle or Dremel. The way you resist leverage is with reverse...
CAM the carve in Fusion 360. Simulate. [ATTACH] ---> [ATTACH] Reimport STL, Boolean, done.
