I assume a 1/2" belt won't fit the spindle so have you tried the kevlar belts? McMaster 51514T315 <http://www.mcmaster.com/#51514T315>
JT On 5/30/2016 8:14 PM, Gene Heskett wrote: > Hi all; > > For want of a better project to keep me out of the bars tonight, I went > out and extracted the stripped belt off the toy lathe just now, find it > well labeled as a 130XL037, 3/8" wide, 65 tooth belt. It appears that I > had already replaced the ultra teeny drive pulley that stripped the last > belt easily had already been replaced with a 15 tooth model. So even > with about 7 cogs fully engaged, this motor still had the cojones to > strip the teeth off the belt. So I am thinking out ordering a 140 or > even a 150 (75 cogs) belt and a bigger lower drive pulley which should > get more cogs engaged. That will of course raise the spindle speed and > probably make me run on low backgear more often, but this motor has the > cojones to do that so I am not worried too much. > > So my question is, if I buy a 150 cog belt, and the existing lower pulley > has 16 cogs now, and I add 10 more to the belt, making it 75 it sounds > as if I would need to add another 5 to the almost half circle that would > be engaging the belt on each side, so the 16 cog pulley now would turn > into a 26 if I want the center to center distance to remain within say > 2mm's of what it is now. That seems to me like if I tension it to about > high C, that ought to be able to survive that 1 hp motor long enough to > at least finish one job, bearing in mind there is a 3/1 stepdown between > the motor, and the shaft turning this lower pulley. > > Is my math somewhere near correct? And would I be better off paying the > price of one of the white poly/kevlar belts as opposed to this black one > with a few strabds of kevlar in the backing and teeth that look like a > glass reenforced black rubber? I'll check McMaster-Carr, but I can get > this belt for about $4/copy from the prople that used to be GoodYear. > > Comments anybody? Or did my mental math blow it, like its been known to > do several times before? > > Cheers, Gene Heskett ------------------------------------------------------------------------------ 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
