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 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
