On 23 February 2012 21:04, Lars Andersson <l...@larsandersson.com> wrote:
> For PCB milling on the other hand with carbide bits of 0.3 mm dia or so you > cannot get to much RPM really, 50-100 000 RPM is desirable to get a decent > cutting speed. This is not what outrunners are optimised for. You would be > better off with a long narrow inrunner of the same power as the short fat > outrunner. You can probably bury the motor up inside the taper too, for a nice big heat-sink. Were you going to use external bearings, or rely on the motor bearings? -- atp The idea that there is no such thing as objective truth is, quite simply, wrong. ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
