Re: Timing Pulleys - Camshaft?

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "vrsculptor"
<vrsculptor@h...> wrote:

> Most overhead cam engines today use timing belts. This should
> provide a cheap source for 2:1 timing pulleys. Do any of you know

if

> they are standard profiles? They would be a great solution with

just

> a little hub work if you could get the right size belts. I don't
> think you can shorten / splice a fiberglass backed timing belts.
>
> I freaked when I saw the price of pulleys for my mill's knee axis.
> More than the motor, encoder and Gecko combined. If camshaft

pulleys

> won't work I will cut my own.
>
> Roger S.

Where did you look and what sizes are you looking into ?

and you are realizing why so many buy bigger motors and use direct
drive.

DAve