On Thursday 30 November 2017 12:20:54 Ed wrote: > I have a small HMC that has a Fanuc PM 3 phase motor and drive to > drive the spindle.I am trying to get away from the original drive and > go with newer. This is for a Linuxcnc retro project. > > Is there a VFD that works with a PM motor rather than a squirrel cage > type? Need spindle orientation also, the motor has an encoder. > > Ed. > > Not a vfd Ed, but for lessor horsepowers, up to a horse or so, there is the Pico pwm-servo amp, which uses the signal from a pwmgen to control it. I'm using 2 of them to run a pair of one hp spindle motors. Its perhaps 1% of the size of the power supply, good for up to 20 amps at 160 volts. Runs a 90 volt motor from a 125 volt dc supply without straining a thing.
> ---------------------------------------------------------------------- >-------- Check out the vibrant tech community on one of the world's > most engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
