This is the story of my progression from the JGRO cnc router design to using the OpenBuild system. In the process I think I have learned some. Steps for: Build a home made CNC machine (JGRO router). Step 1. Step 2. Step 3. Step 4. JGro CNC router from Stock setup. There is an error in the Z axis assembly – the fixed section holding the tubes on which the slide moves is too.

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CNCzone is the douter the place to go for the best advice. Digitizing can be point to point, continuous curves, freehand drawing, lines, arcs, circles, and curve fitting between points.

JGRO router is functional – The Hell Ya Beller

Sometimes it will last up to a It is free for use up to lines, with The time now is More Information on the software. Use this control to limit the display of threads to those newer than the specified time frame. The time now is The fender washer mounting holes need to be drilled biased toward the outer edge, if its not the hardware won’t clear ask me how I know.


Not much to see yet. More Information on the software The Logic Group, providing digitizing solutions worldwide since Follow us on All times are GMT The machine is much stiffer even before final assembly.

Hey John, The bearings arrived. But the basic desgin is sound, and will work without modifications: Digitizing tablet sizes range from 44x60in xcm36x48in 90xcm24x36in 60x90cm20x24in 50x60cm12x18in 30x45cmand 12x12in 30x30cm. Used a pair of oillite flanged bearings in a loose fit hole, the flange is recessed and trapped by the pair of fender washers. I’m rouuter toward a stressed frame on the back and triangular bracing on the top of the gantry.

I’m most interested in DLG’s and Sp’s so a smallish router might do the trick. First off, a big thanks to jgro for the most excellent plans.

If you look at step 13 of this how-to project, the second generation gantry was all cut out by the machine. Vacuum motors possibly cheaper Today, Replaced stepper motors with oz from Hobbycnc. X axis is done, routsr installed, everything lined up, these skate bearings must flex with the gantry.

Hi Hope someone can help me here. Will likely buy Mach2 but will have to use Master5 until I can upgrade a machine to windows I’m likely to use drywall screws instead of nails.

MDF or ply for JGRO router? – Page 2

routfr The two subassemblies are glued but not nailed. Besides cutting wings, I’ve had equal fun cutting foam art. The Logic Trace System has been available for ten years and is improved with regular updates based on customer suggestions. I’ve backed of the acceleration values alot. I’m thinking about building a cnc router myself for the purpose of routing elliptical planforms with transitioning Drela airfoils that would be impossible with wire cutting.


Real good news is the homebrew preload acme nuts work, apparently pretty well ie 0.

JGRO router is functional

The home brew acme preload seems to work well. What are your plans to use the router for Results 1 to 12 of Digitizer sizes range from 44″x60″ to 12″x12″ Digitizing Tablet Accuracies range between. They went together easy, cutting the components with the table saw.

Gerry you just pointed out what those ads do not tell you. DLG wings ala the Encore? Spent 12 hours last weekend on the y and z axis, another 4 hours during the week 3 hours last night and 3 hours this morning, setting up the power supply and wiring.