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Build Thread - Shariff DMC2 Retrofit to Acorn

Posted: Fri May 02, 2025 2:57 pm
by eh1524
This is the start of my Build Thread for my Shariff DMC2 benchtop CNC mill that originally shipped with an Arduino board but I'm now going to upgrade it to an Acorn board. I'm a very inexperienced operator with limited knowledge so please be patient with my dumb questions.

I've placed the order for my Acorn board and will be starting the retrofit when it arrives. In the meantime here are the current pictures for the existing machine; more to come as I start working on it.


Re: Build Thread - Shariff DMC2 Retrofit to Acorn

Posted: Fri May 02, 2025 3:08 pm
by suntravel
This should be easy going since there are schematics for the components as far as I can tell from the pics.

Uwe

Re: Build Thread - Shariff DMC2 Retrofit to Acorn

Posted: Fri May 02, 2025 4:10 pm
by cnckeith
thanks for starting a build thread and posting a photo album, this helps us lot so we can help you!

Re: Build Thread - Shariff DMC2 Retrofit to Acorn

Posted: Sat May 03, 2025 9:26 am
by eh1524
I received this from the original designer / builder of the machine:

If you are going with another controller, what you need to know is that machine operates with:
5v step/direction signals
10v analog spindle speed control (or PWM)
5v coolant on for relay
normally open estop button
Most hobby level controllers should support these signals,

Re: Build Thread - Shariff DMC2 Retrofit to Acorn

Posted: Sun May 04, 2025 5:18 pm
by cnckeith
great, no problem.