Re: drive belt idler

Tom,
Just do a search for cam followers at www.mcmaster.com and find
the size cam follower, with the bearings to fit your need. Then, all
you need to do is mill a slotted hole in the back plate, and bolt the
cam follower stud in place.

Marv Frankel
Los Angeles



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Thomas Powell" <tppjr@h...>
wrote:

> I made the assumption (we all know what happens when one does that)

that

> timing belts could be ordered in any length when in actuality there

are

> "industry standards" in lengths. Sometimes with a several tooth

jump in

> length.
>
> With this assumption I made my mounting bracket for my servo

motor. The

> belts available in the adjustment range I have are either too small

or too

> long. I can redo the mount but don't particularily want to. I was

thinking

> of going with the longer belt and adding an idler pulley to take up

the

> slack and help keep the longish belt from possible vibration.
>
> Now the question. I can't seem to find a smallish idler pulley for

a HTD

> 15mm belt. I am looking for about a 1.5" dia pulley. Any ideas?
>
> Thanks,
>
> Thomas