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Yeah, I bet you can rig something up to hold it in place. The engraving won't generate a whole lot of force. A fourth axis would turn the piece as...
Turn it first, then engrave?
You would think. The single axis should be pretty simple. A bit more effort in the interface and you would have something really useful. I'd give...
The title made me think of something else before I read the thread. An automatic end-stop for a table saw would be a neat build for v-rail. Google...
That's pretty cool. Do you lube the sliders at all? I guess I would expect them to bind and jump a bit.
Those are good ambitions. Height is probably less important, but could be reduced with a belt transition like I did here:...
Thanks guys. I'll try to get a sketchup model together when I have time. The steppers are a bit hidden. I tried to arrange them in the best way...
I'm making my first cuts with this machine and getting everything tuned up. I figured I should snap a picture while it wasn't covered in acrylic...
andrew published a new build: This small desktop machine is built inside a 300mm cube of 20mm extrusion. Work area is 14cm by 14cm. I used 400...
steelspinner - Great post! The rating on these things can be confusing even for someone with a background in motor operation and theory. To make...
I really the design of your x-axis. It looks quite strong, and the stepper/belt placement was clever. Nice build!
I considered a few of these options and went with the TinyG. It took a few hours to find the right combination of firmware and tgfx build and set...
Yeah, vertical is the worst case. It will carry more at an incline, and even more when level. Exact figures for that involve some trigonometry and...
I'll take a stab at the math. This is for a nema17 with 20t gt2 pulley. pull-in torque / pulley radius = belt force 50 oz.in. / .25 in = 200 oz. =...
It’s a really hard thing to get other people involved in in a project like this. They won’t share your vision or your stakes in the project. Best...
Why must I deal with this 1/4" inherent to the eccentric spacer? We're all working in millimeters and the only inches are in your spacers. What is...
You want to use a tri-state buffer for the scenario described in your first post. These are built in to the microcontrollers you're using. The code...
[IMG] I couldn't find a nice rubber footing for my machine so I put this together. It's a 1/4" hole grommet on a m5 hex screw. Cheap, easy to...
Misumi seems to have some.
Thank you! That's what I was looking for. Great site by the way. Can't wait 'till the new extrusions come in and I can start building! :)
