hey gene yes it weighs 15 kg still thinking it would be good to use a 8i20 initial feedback is not sounding too good:)
regards Andrew On Thu, Jun 4, 2020 at 10:53 AM Gene Heskett <[email protected]> wrote: > On Wednesday 03 June 2020 18:28:14 andrew beck wrote: > > > looks like I need to upload a link to google drive for the photo as > > the email list cannot host photos apparently. > > > > here is the photo of the motor nameplate > > > > https://photos.app.goo.gl/V2gCuLxsv9GtstPY6 > > > Thats pretty serious motor, as we used to say on cow barn radio where > some of us had steerable antennas back in the '70's, lemme turn the > house around. You could turn a good sized house with that. > > > > regards > > > > Andrew > > > > On Thu, Jun 4, 2020 at 10:16 AM andrew beck <[email protected]> > > > > wrote: > > > hey andy > > > > > > bit of a pity on the stumble drives > > > > > > I have the option to get a almost unused cnc mill identical to my > > > current machine. and just thinking if I want to go down that path. > > > the new one has a 4th axis already there. it had bad electrical > > > problems from day one almost. so is in very good shape. and the > > > price is right. besides who doesn't want 2 cnc mills:) > > > > > > ballscrews are 16 mm pitch on x and y axis > > > > > > last time I bought all new chinese drives and motors and just gutted > > > everything. that works ok but costs 1700 usd for 3 axis and also > > > the tuning leaves something to be desired in my opinion. the servo > > > drives don't have a PID controller it is just a PIV and I am having > > > to accept slightly lower performance than I would like. it is not > > > bad but definitely could be better. > > > > > > anyway just looking into options and the mesa 8i20 came up. would > > > love to hear how much power they can handle when maxed out. I > > > will upload a photo of the name plate from my motor I want to > > > control > > > > > > It is possible I can use the original heidenhain inverters(servo > > > drive) but that may be blown up. I will try this first If I buy the > > > machine though > > > > > > regards > > > > > > Andrew > > > > > > On Thu, Jun 4, 2020 at 10:00 AM andy pugh <[email protected]> wrote: > > >> On Wed, 3 Jun 2020 at 22:46, andrew beck <[email protected]> > > >> > > >> wrote: > > >> > the max power the servo drive can control apparently is 2200w so > > >> > the > > >> > > >> servo > > >> > > >> > drive is slightly under powered. > > >> > > >> There is a video here: https://www.youtube.com/watch?v=24LftGNp4MI > > >> of an STMBL running at 5.8kVA. > > >> > > >> But there are many caveats to this: > > >> 1) You can't get one > > >> 2) If you get most of one, there are no power drivers. > > >> 3) They need configuring, a whole other HAL. > > >> > > >> 1 and 2 might improve. They might even improve soon-ish. (I am not > > >> privy to > > >> the machinations of the developers) > > >> > > >> STMBL is the perfect LinuxCNC retrofit drive, and might have Taken > > >> Over The > > >> World had the power driver not been discontinued. (Just at the > > >> point where the developers had enough drives for _their_ needs.) > > >> > > >> -- > > >> atp > > >> "A motorcycle is a bicycle with a pandemonium attachment and is > > >> designed for the especial use of mechanical geniuses, daredevils > > >> and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1912 > > >> > > >> _______________________________________________ > > >> Emc-users mailing list > > >> [email protected] > > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > > 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) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
