On 10/10/2017 05:49 PM, Dave Cole wrote:
John,
Let me save you some time. Unless you are retiring in the
next couple of years and swearing off everything
CNC...convert to LinuxCNC now. If you are not happy
with the performance on the BBB right now. Wait for a
couple of years. It will get there via a different set
of hardware or a different hardware version. Mach3 will
not. Mach4 might... but you know more than me about that.
If you want a tool that "just works" yet can be extended
"reliably" via software, LinuxCNC or Machinekit is where
it is at.
If you want both Mach3 and LinuxCNC, dual boot your PC.
You won't regret it.
Yes, I agree. I've been using EMC, EMC2 and now LinuxCNC
for almost 20 years! Never ONCE had a failure of it to
complete a part. Once, a long time ago, I remember I
couldn't get it to start up, bad connection somewhere
related to the encoders. I'm on the 4th computer now on my
mill, mostly had to upgrade to get good performance as the
GUIs caused more overhead. But, I don't mind, it isn't
stupid bloat, 3D graphical preview DOES take resources.
I now have a Blum touch probe, and wrote a bunch of simple
probing routines to find the center of holes and the inside
and outside corners of parts. If the probe touches
something when not expected, the machine stops. if the IR
communication to the probe is lost, the machine also stops.
Just great stuff! I built my own MPG jog box years ago,
controlled through a small file of HAL commands. Needed a
filter so the discrete steps of the MPG didn't buzz the
servos, Jeff Epler threw together a little HAL component
filter for me in a couple minutes at a meeting. If you can
think it, you can pretty much do it with LinuxCNC.
Jon
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