Using brushless motors is unnecessary as far as noise is concerned, the noise comes from the gears. Cheapest solution: use a € 1.50 chicken grill motor for 1.5 volts and give it 5 volts, so it will turn a litle faster (Hendlspieß, if you know what I mean) and it has plenty of torque.
Peter Am 17.03.2013 21:44, schrieb Florian Rist: > Hi, > I'm going to use LinuxCNC to control an art installation which is > basically a four axis CNC machine. > > I'm going to get me a MESA card, a 5i25 should be sufficient. I never > used one of these, but I don't expect any serious problems. > > What bothers me more is where to get suitable motors and gearboxes. For > educational reason I want to use DC brush-less servos and encoders, but > that's not absolutely necessary, so simple DC motors might do the job > just fine. > > I need a small motor, about 50 mm in diameter, that can deliver a quite > high torque of about 2.5N/m, but it dose not have to run fast, 100 rpm > would be more than sufficient. So I guess I'll end up using a gearboxes > and small motors. The problem is, that the drive system needs to be as > quite as possible. That's another reason, besides personal interest, > that makes me think I should go for DC brush-less servos. > > So, any recommendations on where to look for motors (and drivers) and > gears? Any tips to get thinks smooth and quite? > > Thanks > Florian > > ------------------------------------------------------------------------------ > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics > Download AppDynamics Lite for free today: > http://p.sf.net/sfu/appdyn_d2d_mar > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
