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 <andrewbeck0...@gmail.com> > > 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 <bodge...@gmail.com> wrote: > >> On Wed, 3 Jun 2020 at 22:46, andrew beck <andrewbeck0...@gmail.com> > >> > >> 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 > >> 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
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