RE: [CAD_CAM_EDM_DRO] Timing belts

Timing belts sure.

A rubber belt with cogs on it for driving a garage door will have different
engineering specs.

I wasn't ruling it out, I was just saying that a test should be done (and
reported for the archives).

Cheers!
Dave

> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Leslie Newell
> Sent: Tuesday, March 24, 2009 1:43 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Timing belts
>
> Timing belts are designed not to stretch. They have huge tensile
> strength and very low elasticity.
>
> Les
>
> Dave Halliday wrote:
> > How resistant are they to stretching?
> >
> > I would think that some "bounce" would be a positive design
> feature for
> > lifting a heavy door on a suspension that can get stiff or
> bind or hit
> > something on the way down.
> >
> > I would take one, hang it from the ceiling and put ten
> pounds on it, zero,
> > put another ten pounds and measure the elongation.
> >
> > Just my 2¢
> >
> > Dave
> >
>
>
>
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