Re: [CAD_CAM_EDM_DRO] Re: Timing Pulleys - Camshaft?

Would it be nuts to use roller chain and sprockets in small sizes, like
10 or 20.

Mark

turbulatordude wrote:

> --- 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
>
>
>
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