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All the mains earth's are connected together at the PSU earth terminal and that's connected to 0v
Hi Peter, I gave it a good test, without the VFD plugged in; all was good at 1800mm/min rapid. When I plugged in the VFD and started to cut some...
OK I'll try this tomorrow and give it a thorough workout . Beer time now in sunny Queensland AU
I also connected the PSU 0v to mains earth, mains earth to the machine frame. The spindle is earthed therefore. Unavoidable to have a seperate...
I had some trouble when I was setting up the VFD, it is now mounted on the wall about a meter away from the electronics .
Ballscrew pitch = 5mm motor pulley 2mm pitch 40 teeth ballscrew pulley 2mm pitch 30 teeth 8 stepping. So 5mm = 0.75 (30/40) motor revs 200x8...
File attched, this is only the roughing. Post I use Mach3_4-Arcs(MM)(*.TAP)
No, I hit STOP
Yes, like I said, I suspect grbl. This is a good strong machine and I think it's worth upgrading to mach4.
Artcam generated G code. But as I said it looks correct in the toolpath display .
Thanks for the reply Peter. I've heard the same rumours, however I find it hard to believe the driver could miss/add that number of steps. Work...
I have built a fixed gantry mill and while milling it will suddenly start milling in the wrong place, like the coordinates have shifted, by...
I've been coding 40 years, as a hobby only.
Thanks Adam, I'll check this out in the morning, getting late here in Queensland.
Thanks for reply Peter. Actually this release was the first I tried (limits didn't work). And, this release has the defines for a Ramps board,...
Not sure what you mean by "official"; this is open source firmware. It is 'grbl-Mega-1.1f.20170802'. I've tried several other flavours including...
I am running grbl mega with Ramps 1.6. A Mega2560 with a Ramps 1.6 board. I'm led to believe the pinouts are the same as Ramps 1.4. Using...
