Re: [CAD_CAM_EDM_DRO] Gears : was Re: Usefull Utility

On Tue, 05 Feb 2002 11:15:45 -0000, you wrote:

<snip>
>|As a sprocket get smaller as regards the number of teeth, these radii
>|alter to allow the roller to engage without interferance.
>|Theoretically it should be an involute but as we are talking about
>|rolling bearings as opposed to sliding gear teeth there is a
>|compromise.
<snip>

As I was looking for the roller chain tooth form I came across a
"cycloidial" roller chain tooth form. It was supposed to engage 3
rollers in a sliding manner, sort of like a mesh gear does. The
example was called "the original" or something like that, making it
sound like that's not the way it's done anymore.

Monte