Years ago I made a sheave for poly-v to go on my Jet lathe.
Used a kennemetal insert. Don't remember which pitch; 0.092 or .185.
Both sheaves were aluminum and seem to be holding up well.
Never any sign of slippage.

On 05/18/2015 04:29 AM, Gene Heskett wrote:
> On Monday 18 May 2015 05:50:40 andy pugh wrote:
>> On 18 May 2015 at 10:42, andy pugh <[email protected]> wrote:
>>> This data book
>>> http://www.contitech.de/pages/produkte/antriebsriemen/antrieb-indust
>>> rie/download/TD_Multirib_de_en.pdf
>> This also says: "For drives with a ratio >= 3 it is possible to use a
>> flat pulley for the larger pulley" which might save some effort.
> I saw that. Looks like that would simplicate this a bit.  Thats a 1" on
> the motor. 5" on the spindle might be just what the Dr. ordered.
>
> I saved that catalog, much design info in one 73 page tome.
>
> Thanks Andy.
>
> Cheers, Gene Heskett


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