On 10/07/2015 05:35 PM, andy pugh wrote:
> On 7 October 2015 at 22:22, Marshland Engineering
> <marshl...@marshland.co.nz> wrote:
>> Never having used them before what are the downsides for CNC control ?
>
> You will never have to replace the brushes. If you have the matching
> drives then I really don't think that there are any downsides.
>
DC motors go much slower without cogging. Important for edm, polishing 
and grinding, not so much for other disciplines.
BTW plan on maintaining the tacho brushes if fitted.
TomP tjtr33

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