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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