Hi Gene how are you? ! I'm glad to talk to you :)
> 15kw? That isn't going to be pocket change Leonardo. I'm not any where > near that class as my go704 rig current limits at 18 amps into a 1 hp > motor with a 90 volt, 9.7 amps for one HP which is a bunch puny for my > g0704 mill but its been doing it for about a decade. Stalled it may or > may not trip a 20 amp 127 volt breaker. Seems to me you'd need a pretty > husky version of Jon Elsons pwm-servo. And ISTR that Peter had some > bigger ones in years past. What is your available voltage? > Well I estimated 15 kw as max power just by the size of the lathe and motor. This Wednesday the machine is going to be at our shop finally so I can check the motor in more detail (I couldn't find the label on the spindle motor when I inspectioned on the site it was on). Thinking about it better it might be between 10 kw and 12 kw which is not low power either. The available voltage in our shop is 3 phase 380 volts. I will try and find more info about the original Fanuc driver and see if that can come to life. El vie, 9 feb 2024 a las 22:47, gene heskett (<ghesk...@shentel.net>) escribió: > On 2/9/24 17:06, Leonardo Marsaglia wrote: > > Hello guys, I hope you're doing well > > > > We just purchased a Mori Seiki SL3 lathe that's going to be > > retrofitted with LCNC because it has no control. > > > > The machine has a brushed DC spindle motor and from what they told me the > > DC drive was not working (I would like to check this but I couldn't find > > any info or manuals for this drive, the model number of the drive is > > A20B-0008-0372/02). I would like to keep this motor because I like the > idea > > of having high torque at low speeds because I plan to use a milling and > > hobbing attachment with this lathe. > > > > I'm trying to find DC speed controllers of 15 kW or so, just to take a > look > > at what it's available but it seems difficult to find something that big. > > Do you guys recommend any particular brand or source to find such a speed > > controller? > > > > Thanks as always. > > > > Leonardo > > 15kw? That isn't going to be pocket change Leonardo. I'm not any where > near that class as my go704 rig current limits at 18 amps into a 1 hp > motor with a 90 volt, 9.7 amps for one HP which is a bunch puny for my > g0704 mill but its been doing it for about a decade. Stalled it may or > may not trip a 20 amp 127 volt breaker. Seems to me you'd need a pretty > husky version of Jon Elsons pwm-servo. And ISTR that Peter had some > bigger ones in years past. What is your available voltage? > > Actually, it might be productive to check the power bugs in it if you > got that controller with the machine. It might be easily repairable by a > good electronics tech who would have what it takes to look up what he > finds in it and find even better replacements. That tech keeps moving > on relentlessly. That is the avenue I'd explore if I was on site. > > Good luck Leonardo. > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > . > > Cheers, Gene Heskett, CET. > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author, 1940) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > > > > _______________________________________________ > 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
