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Ok, I was thinking like mine, the A axis is used as a lathe rather than a rotary table. I only use three axis for that. I looked at my Linux CNC setup and it does have provision for a second and...

Hi - I don't think you can combine the ports. You will have to assign a different port address for the expansion card and I think your operating system (CAM program) will only accept one. You already...

Hi - Is the rotary axis to be used as a substitution for another axis? If it is, couldn't you just plug it into the unused axis driver? You would probably have to setup another machine profile and...

Would like to know how you make out. I have the same breakout board and am considering similar driver boards with the same connections. Found this diagram if this helps.187622 And this note: Figure...

Thanks for posting the dxf! Now I know what I'm going to use that piece of 1/8" pvc for, that I had laying around! Thanks! :)

For reference, I cut this 4.5" x 5.5" lithophane under 2 hrs with Linux CNC using 2 passes. Could the software used in generating the code make a difference? My max feed was only 40 ipm using a .0469...

If your oak blocks don't hold up, you might try using Trex, a composite. I planed about a 1/16th off each side to get rid of the grain and made them slightly oversize to give more thread area. They...

After 9 months off for home remodeling, I've 'retired' again and started back on my JGRO. I still had to complete the base. I notched all the bracing, squared it up, and glued it to the top with...

Hello - Here's a work-around I came up with for the alignment problem...hope it might be of use. http://www.cnczone.com/forums/showthread.php?t=76137

I have had to put my CNC project on hold for the past few months due to needed home repairs. I did get it to the point of installing electrics. When tested with an electric drill it seemed to work...

Not much progress for a while....what I came up with for the Z-axis is the stock design basically with the nut reduced in size so there is clearance all the way around in the slot so the nut can...

Hi - I used a Forstner bit for all my holes in MDF. I did not get any tearout but you do want to clear the bit before going all the way through. Th MDF I used (Lowes) has a paper surface that seems...

That is most definitely a wood lathe. I have one that looks similar to that, that used to belong to my grandfather. Mine is a Fay & Scott patternmakers lathe with a rack & pinion cross slide with...

Hello All - I started building a JGRO about a month ago and came up with this for a lead-screw nut tensioner, at least on my X axis. I cut two plastic 2" discs with 4 mounting holes on the edge. I...

Hello - I have a 23KM-K307 Minebea without a connector also. Have you had any luck in locating a source for the 6 pin harness yet? If you're still interested in building your own board, there is an...

Hello - Nice looking build! Just started my own JGRO from the original plans too. Have you had any flexing problems with the gantry? I'm doubling the sides on mine after reading of some problems with...