Interesting.... I don't think that the Polychain belts were out when I asked the question of that Gates engineer years ago.
Thanks, Dave On 8/10/2015 2:46 PM, N. Christopher Perry wrote: > The fiberglass cords in the rubber belts has a sizing agent that assists in > bonding the fibers to the rubber during the molding/vulcanizing process. > Water breaks down that sizing agent resulting in fretting of the glass cords > that precipitate belt failure. Saw this first hand in a wheelchair > application. > > The Polychain shouldn't have this problem, as the manufacturing process is > completely different. The cords are completely embedded within the > polyurethane body of the belt and the sizing agents are supposedly not as > sensitive to moisture. > > N. Christopher Perry > >> On Aug 10, 2015, at 2:12 PM, andy pugh <[email protected]> wrote: >> >>> On 10 August 2015 at 18:46, Dave Cole <[email protected]> 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. >> >> -- >> atp >> If you can't fix it, you don't own it. >> http://www.ifixit.com/Manifesto >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
