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Yes, I have Mach3 (which people seem to have all manner of difficulties with) and various breakout boards.

I don't even want to try Mach4, because of all the negative comments I have read...

Lol... You get zilch from these Chinese manufacturers, Joe... that's just the way it is. However, after (figuratively) beating my head against the wall for about three days, I finally figured out...

And no one even wanted to venture a guess?

Alright then fellas... Thanks for nothing, I suppose.

Hey guys,

I have two of Shaoge Chinese CNC controllers (the SMC 5-5, and the 4-4). And neither of them will scribe a smooth circle, no matter what parameters I change. My circles come out...

It's a dead short. Haven't had a chance to trace it down yet. I was hoping someone here might had had the same issue, and would be able to point me in the right direction, but it looks like I'm on...

It's a short on the IO board.

Richmond

Bill was nice enough to provide me with a maintenance manual that is very close to mine, and the wiring schematics as well, although the schematics are hard for me to make sense of.

With the help...

I think I have this problem narrowed down to the IO board. Anyone know why it might have a short in the 24v part of it's circuits?

Exact same problem... Anyone ever figure out the cause of this?

Richmond

I have the same machine, with the same problem... Were you able to get yours going again..?

Thanks. I'll keep that in mind if I can ever get it going again.


Richmond

Well I've considered that of course. But I like the look of this control (that's important to me...), and I think it would be adequate for the machines intended use.

Ultimately, it will depend on...

Well I was mildly hopeful, but I tried swapping out two of the phases today, and it had no perceptible effect whatsoever.

Richmond

Hmm...
Well, nothing has been changed in that respect since it was installed (and working), but tomorrow I'll swap out a couple of lines anyway, and see if there is any change in it's behavior...

Hey guys. First, I'm brand new here... so if I'm posting in the wrong part of the forum, please let me know now.

Getting to the point; I bought a nice used machining center about 25 years ago,...