> > If I added 10 cogs to the belt, how many more cogs do I add to the > > lower pulley to maintain the current center to center spacing?
If the two cogs remain roughly the same size then you'd add 20 cogs. the belt is in contact with 1/2 of the teeth on the cog. In the special case where the two timing belt cogs are the same size the belt size equals 2x the center to center distance plus the circumference of one cog. Going from 65 to 75 teeth means, I think the new cog needs to have 20 more teeth. As I assume the center to center distance will not change If the two cogs are not close to the same diameter then you need to give more information, the center to center distance and the pitch and size of each cog. I believe there is an on-line calculator some place. But for same size pulleys you can do it in your head. -- Chris Albertson Redondo Beach, California ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users