Because servos are difficult for many to tune properly. I like being able to find linear servos on ebay for cheap since they are too complicated for most folks.
On 11/12/19 11:30 PM, David Berndt wrote: > I'm confused by these sorts of drives. I guess for a 3060 or something... > > But why don't people just spend the time and read up on older > mitsubishi, sigma, automation direct (probably delta made?), delta, > drives or their alibaba knockoffs then get those, there are tons > around on ebay, aliexpress, etc. They're not significantly more > expensive, sometimes cheaper even. They take straight mains voltage > and they have more professional level features (step and direction, > +/-10v, torque and speed modes, encoder count outputting, electronic > gearing, often some sort of rs232 programming, about a billion > settings to play with, a ton of IO usually 7 or 8 digital ins and > another 7 or 8 digital outs, safety features, seperation of control > circuitry from high power circuitry so you can count steps even when > the high power is off for example if the machine is in e-stop. You get > a lot more bang for your buck imo, and you save having get some sort > of fairly large DC power supply. > > > > > On Tue, 12 Nov 2019 15:28:50 -0500, Marshland Engineering > <marshl...@marshland.co.nz> wrote: > >> Just ordered one of these to try. Looks very promising. >> >> https://www.ebay.com/itm/322460600468 >> >> Downloaded the software and that looks quite professional. >> >> Anyone tried them before ? 80 volt 20 amps >> >> or more power (Tim the tool man !!! ) >> >> 150 volt 20 amps >> >> https://www.ebay.com/itm/322460615556 >> >> and the Holy Grail !!! >> >> https://www.ebay.com/itm/322393653446 >> >> Means that I can run from the parallel port !!! >> >> Cheers Wallace. >> >> >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
