Thanks, Tamagawa looks promising. I'm awaiting a quotation. They also have some semi-proprietary encoders built in, but at least it seems as if there is some information available about them.
Bye, Philipp On 24.03.20 07:54, theman whosoldtheworld wrote: > tamgawa is the best one, quality, price and flange ... plus it have > 30mm 20mm and 16mm ... about drive is not so fontastic ... but motors > is really ok. > > But also someone have you suggested to use alibaba ... you can buy > outrunner motor and add some renishow inexpensive magnetic encoders > .... also you need a brake ... for thee you can choose one from > alibaba ... actually I'm in search for a manufacturer ... if I find a > valid solution for sure i write here. > > regards > > Il giorno lun 23 mar 2020 alle ore 19:01 Nicklas Karlsson > <nicklas.karlsso...@gmail.com> ha scritto: >> >>> Hi John, hi Andy! >>> >>> On 23.03.20 17:13, John Dammeyer wrote: >>>> In, Vancouver there is >>>> http://www.dmm-tech.com >>>> >>>> Any particular reason why you want 48V? I use the Bergerda 220VAC units >>>> and although shipping is expensive the motor/drive components do end up >>>> costing less than the similar units from dmm-tech. >>> >>> ... >>> The reason for the 48V system is mainly safety, as it makes the design >>> so much simpler if you don't have to care about all the HV stuff inside >>> the machine. Everything else runs off 24V, there is no single wire >>> running through the machine carrying mains power. >> >> Common mode voltage will also be lower, maybe inductance for electric time >> constant is lower and possibility to use MOFSET instead of IGBT might be a >> third reason. Lower inductance make possible faster dynamic response as >> torque change faster but also increase current ripple. >> >>> The drive system supports several standard encoder interfaces, but >>> nothing proprietary. Using the motor manufacturer's drive is not an >>> option, as all motion components need to be connected to a high speed >>> serial bus (similar to EtherCAT). >> >> Similar to Ethercat, Sercos? >> >>> Thanks and best regards, >>> Philipp >> >> >> _______________________________________________ >> 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
