AMC makes some big drives... Not too expensive. You need to know current and voltage you need...
https://www.ebay.com/itm/325566716560?hash=item4bcd49da90:g:uDMAAOSwAlhkCOUE&amdata=enc%3AAQAIAAAAwE4ooEBwZmHXPiIlAc6WRSSfqUOeKsamowG99ljllBJpOWD%2F0zzOQ9HRTcVUu1MOsi%2BxVeg0CaAXja69JFHeCAId8OImoYa6z02jpZa%2FNlcqSr1cAtk%2Biu4W9XSepLuHo99mVIvm5CKlFuN9jI%2FgnejpUxjY8%2BQBMk9mSPuYpJJbsr9RBHZvNTJ12pFAmRKFxU%2B9oKontWPkLXBmjleMDWFzmPVUvZXa5xs9cPsTl0JQ0xCn2ery9isxsEvgkDiL%2BA%3D%3D%7Ctkp%3ABk9SR6Kk7pKzYw On Sun, Feb 11, 2024, 11:11 AM Leonardo Marsaglia <ldmarsag...@gmail.com> wrote: > Hi Roland, > > > > I think you'd be aiming for a SCR drive, bought or self-made. They're > > simple and lower cost. > > > > In case of going the DIY route, wouldn't it be easier to use IGBTs instead > of SCRs to drive the motor? > > El sáb, 10 feb 2024 a las 2:24, Roland Jollivet (< > roland.jolli...@gmail.com>) > escribió: > > > I think you'd be aiming for a SCR drive, bought or self-made. They're > > simple and lower cost. > > > > Roland > > > > > > On Sat, 10 Feb 2024 at 00:07, Leonardo Marsaglia <ldmarsag...@gmail.com> > > 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 > > > > > > _______________________________________________ > > > 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 > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users