[Lab] Marauder project (around 400 bucks and counting)

Darcy Whyte darcy at siteware.com
Mon Jun 6 17:11:10 EDT 2011

The cnc controllers work great and the price is right. I doubt the issue
people spoke about on cnczone is about all chinese cnc controllers. There
will have been an incident or incidents with a specific one. I had problems
the the cnc controllr on a mill I bought in china but they replaced the
electronics. But that's a different piece of hardware.

Eventually there will be a bill of materials with lots of different options.
People can spend as much as they want on controllers.

What are you missing for your CNC project? Just electrical?

On Mon, Jun 6, 2011 at 5:02 PM, John Nicol <john_nicol at hotmail.com> wrote:

> Today's Topics:
>   1. Marauder project (around 400 bucks and counting) (Darcy Whyte)
> =====
> Hi Darcy,
> Nice to meet your virtual acquaintance!  First time posting in the mailing
> list so hopefully I don't screw it up too badly.
> I went to your website briefly and saw the electronics proposed.  I would
> stay away from that particular Chinese design and manufacturer.  I
> purchased
> a 3-axis board + NEMA 17 motors off eBay and have had nothing but problems.
> There is even a forum discussion on CNCZone about these.  The design is
> flawed.
> http://www.cnczone.com/forums/general_electronics_discussion/110986-how_i_fi
> xed_my_chinese.html
> There are suggested fixes in the forum discussion and I have applied these
> (and learnt how to solder SMD at the same time, so it was worthwhile from
> that point of view), but although it improves the noise, it is missing
> steps
> all over the place.  A piece of crap.  I made the CNC described in
> Instructables here:
> http://www.instructables.com/id/How-to-Make-a-Three-Axis-CNC-Machine-Cheaply
> -and-/
> I have a picture of what I have made and can email separately.  All up, I
> guess it cost me $600 so far.  It would work quite well I am guessing if I
> had a "real" controller board.  I am thinking of getting a kit from
> hobbyCNC
> and buying some 6 wire Nema motors from eBay to make it all work.
>  Currently
> I have a dremel, but will upgrade that to a trim router.
> Regards,
> John
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