Search found 7 matches

by KickinWing
Fri Aug 01, 2025 6:23 pm
Forum: Centroid Acorn CNC Controller
Topic: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn
Replies: 9
Views: 92

Re: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn

Ok so this is weird. I was failing the com stress test, so I went through the tech bulletins multiple times and everything appeared fine but I would still fail the com stress test. Well I decided to try plugging in the relay board and rerun the test. Well after doing this it passed the com stress ...
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by KickinWing
Thu Jul 31, 2025 7:13 pm
Forum: Centroid Acorn CNC Controller
Topic: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn
Replies: 9
Views: 92

Re: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn


You don't understand.... You need a db25 breakout board for the acorn step and direction signals. This has nothing to do with what is on your old machine.

For your com issue, run the pc tuner if you have not done that already as a first step.


Sorry I misunderstood your last reply. Yes I ...
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by KickinWing
Thu Jul 31, 2025 5:41 pm
Forum: Centroid Acorn CNC Controller
Topic: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn
Replies: 9
Views: 92

Re: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn


It will be a learning curve, but a good one. Reverence the install manual a lot. Get a breakout board for the db25 if you don't already have one. Those will need 5v to the drivers pulse and dir + and the puls and dir - go to the db25 board.

One step at a time it's easy. Keep your power wires and ...
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by KickinWing
Thu Jul 31, 2025 5:29 pm
Forum: Centroid Acorn CNC Controller
Topic: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn
Replies: 9
Views: 92

Re: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn

Ok so I just ran the communication stress test and it failed.

I get a 452 Ethernet Communication Error.



Anyone have any ideas on the cause of this?
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by KickinWing
Thu Jul 31, 2025 4:37 pm
Forum: Centroid Acorn CNC Controller
Topic: New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn
Replies: 9
Views: 92

New Build, G0704 Mill Conversion form Mach 3 to CNC 12 with Acorn

I converted a Grizzly G0704 mill to CNC about 10 years ago using Mach 3. Well the old PC that runs Mach 3(bought over 20 years ago) is failing so I had to make a decision, try and run Mach 3 on a new PC or switch to another CNC controller. From what I understand getting Mach 3 to run on a new PC can ...
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by KickinWing
Mon Jul 28, 2025 9:57 pm
Forum: Centroid Acorn CNC Controller
Topic: Uneven Incremental Movement
Replies: 4
Views: 107

Re: Uneven Incremental Movement

I'm hoping that once I have all the lead screw and step information in the setup this will behave like I would expect. Anyway I've attached a copy of the report from my machine.
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by KickinWing
Mon Jul 28, 2025 6:16 pm
Forum: Centroid Acorn CNC Controller
Topic: Uneven Incremental Movement
Replies: 4
Views: 107

Uneven Incremental Movement

Ok so I'm currently transitioning from Mach 3 to CNC 12 and I have a few questions. As of right now I have the board and the software up and running on the bench. Figured I would get familiar with how CNC 12 functions before I take the mill offline to do the conversion. But I noticed that when I jog ...
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