Don't you use a rust inhibitor in the water (or use antifreeze) for spindle cooling? Freezing could be an issue if your CNC is in a sometimes heated garage or even in an industrial building.
> -----Original Message----- > From: Nicklas Karlsson [mailto:nicklas.karlsso...@gmail.com] > Sent: Tuesday, May 22, 2018 3:24 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] Water or Air cooled spindles > > There is a huge diffence in heat capacity between air and water. Water make > me think about rust. > > On Tue, 22 May 2018 21:18:34 +0200 > Roland Jollivet <roland.jolli...@gmail.com> wrote: > > > I'm looking at getting one of those 2.2kW air or water cooled spindles + > > VFD kits out there for a router. > > I'm not worried about the noise difference between the two types. > > > > Has anyone taken apart a water cooled spindle? > > How are they doing the cooling? Is it a water jacket or just some copper > > tubing inside? > > How likely is it to leak in a few months time? > > I can only find one video describing leaks and water related shorts etc. > > (so they must be good?) > > > > I actually prefer the idea of using air-cooled and making ducting to take > > the exhaust away from the spindle nose. Make a closed loop fan-assisted air > > duct. > > The irony is that I want to use flood cooling on the work. (composite > > material) So it won't be a dry environment. > > > > Regards > > Roland > > ---------------------------------------------------------------------------- -- > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ---------------------------------------------------------------------------- -- > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
