Hi Marius. This optios can be a good one. Of course you need at least a 3 phases motor and VFD for closed loop vector control due to the torque value and stability at low speed. And for sure the motor need a cooling fan (not selfcooled) .
Alex On Fri, Sep 12, 2014 at 9:22 AM, Marius Alksnys <[email protected]> wrote: > I think instead of buying some new DC spindle drive my customer would > choose replacing this motor with simple AC motor and buying new 3-phase > VFD. > > On 2014.09.12 10:00, alex chiosso wrote: > > Hi Marius. > > My 1 cent opinion is to by a new DC spindle drive according to the motor > > specification . > > Nowadays this kind of drives are not too expensive . > > This kind of motor seems to be a sort of custom made for EMCO so you > should > > also verify the old drive > > specifications and wiring diagram to be sure to match properly with the > new > > drive. > > The time=cost (and safety aspects) discourage an "homebrew" solution . > > > > Alex > > > > ------------------------------------------------------------------------------ > Want excitement? > Manually upgrade your production database. > When you want reliability, choose Perforce > Perforce version control. Predictably reliable. > > http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Want excitement? Manually upgrade your production database. When you want reliability, choose Perforce Perforce version control. Predictably reliable. http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
