You can't run a belt fast *IN* a fluid. You can run it in an oily environment like the outside of a car engine. But to run one submerged it will 'hydroplane'. The fluid that fills the gear tooth void must be pumped out when the belt tooth enters it. The fluid in a belt has nowhere to go but out the ends. Wide belts make the problem worse. There is a speed/viscosity limit at which this can no longer happen before the next tooth is engaging. Since it is lifting the belt off the gear, the pitch line increases stretching the belt. Skipping a tooth or total failure can occur (the bearings are probably not too happy about it either.) Chains have a much higher limit as most are open back designs.
SMD On Mon, Aug 10, 2015 at 3:28 PM, N. Christopher Perry <vwpe...@comcast.net> wrote: > I don't know of any off hand, but they are used in a lot of dirty greasy > environments. > > N. Christopher Perry > > > On Aug 10, 2015, at 3:23 PM, Dave Cole <linuxcncro...@gmail.com> wrote: > > > >> On 8/10/2015 2:12 PM, andy pugh wrote: > >>> On 10 August 2015 at 18:46, Dave Cole <linuxcncro...@gmail.com> wrote: > >>> However he said the same belt > >>> would have no issues running in oil which really surprised me! He > said > >>> they were designed to run in oily, greasy environments and as such > >>> running in oil would not likely be a problem. > >> I think that they might have some problems with hot oil, as found in an > engine. > >> I wasn't part of the development of the belt-in-oil engine that my > >> employer makes, but I caught the odd snippet about it. > > > > Perhaps so. > > These guys run their chain to belt conversion kits dry. > > http://www.jegs.com/i/Jesel/549/KBD-31000/10002/-1 > > > > Which engine has a belt running in oil ?? > > > > Dave > > > > > > > > > > > > --- > > This email has been checked for viruses by Avast antivirus software. > > https://www.avast.com/antivirus > > > > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > > 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
