February 16, 2019


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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MDF or ply for JGRO router? – Page 2

Will likely buy Mach2 but will have to use Master5 until I can upgrade a machine to windows I’ve backed of the acceleration values alot. Milling to thickness, holes, pockets and final cut out.

Its been roouter by many folks in this forum, and I’ll repeat it again. But I have only Monday thru Friday to work on it, then a two week break, as I’ll be travelling for work. Routr, the plans are great, easy to understand, read, and simple to build. Good luck with you build.

It will also be a HobbyCNC. See gouter example below. Besides cutting wings, I’ve had equal fun cutting foam art. These have really changed the machine for the better.


Thanks for the tip about CamBam. A few more details. Keep up the good work. The time now is Originally Posted by mcyr. It should be easy to invert the code used to cut the airfoil.

Found the driver chips had poor solder joints not jvro heat I guess. 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. More Information on the software The Logic Group, providing digitizing solutions worldwide since 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.

Diary of a FoamCutter building a jgro router table

Digitizing can be point to point, continuous curves, freehand drawing, lines, arcs, circles, and curve fitting between points.

Too many Daves also. Use this control to limit the display of threads to those newer than the specified time frame.

Diary of a FoamCutter building a jgro router table. Sample Uses of Logic Trace: It doesn’t give an instantaneous E-stop when I let go of reset. The expierence and insight will surley be a big help. I appreciate the heads up about the dimension changes.

What would you do?

JGro DIY CNC router

Hi Sabo CNCzone is the definitely the place to go for the best advice. For others checking in: JGRO thanks again for the design.


I have been using this machine to cut wood, signs and and other parts. But the basic desgin is sound, and will work without modifications: I have purchased some MDF but that is all. As well as the machine you will need a computer with CAD computer aided design and CAM computer aided manufacturing software as well as a program to drive the CNC machine. A good discussion about the role of CNC in guitar making was posted over at project guitar.

Follow us on All times are GMT Good repeatability absolute, machine is cutting, electronics are fine, having problems with gantry flex. Digitizer sizes range from 44″x60″ to 12″x12″ Digitizing Tablet Accuracies range between. I’ll probably use the Supra airfoils and planform. Mike, I’m planning to cut and bag a 3 meter.

Tag: router

I’m most interested in DLG’s and Sp’s so a smallish router might do the trick. I now have a known reference point to align everything from. They went together easy, cutting the components with the table saw. I sure agree with the comments from “HayTay”.