Re: Usefull Utility

--- In CAD_CAM_EDM_DRO@y..., "Smoke" <smoke@t...> wrote:

> They didn't but any formula requiring user definable input can be
>put into
> either one of those programs.
>
> Sprockets are so simple to draw, (see Machinery's Handbook) they
>can easily
> be drawn in any decent CAD program.

Sprockets are not that easy to draw geometrically correct.
Like gears the shape isn't uniform. There are 5 cutters to a set so
you have five different tooth shapes.7-8, 9-11, 12-17, 18,-34, and 35
teeth over in each range of chain size.
$15.00 to me is about 1/2 hours work. I can't do all this in 1/2 hour.

John S.