Re: Timing Pulleys - Chain & sprockets?

Hello,

Belleville washers work to keep an idler pulley tensioned enough to
remove backlash, and allow for proper chain operation.

Hope this helps,

Ballendo


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "stevenson_engineers"
<john@s...> wrote:

>>
> That's the problem though, chains cannot be kept tight. A chain

needs

> some free play to be able to work properly and this will introduce
> backlash.
> Timing belts OTOH are designed for zseo backlash applications.
>
> ************************************************
> I cannot see how this topic can be regarded as OFF LIST when posts

on

> timing belts and pullies can run at the same time. Chains and
> sprockets are only a variation of the same issue.
> We either encompase this until it dies a natuaral death as not

being

> suitable and so lie in the archives, hopefuly never to resurface or
> we ban ANY topics of motor drives and mountings.
> ************************************************