Re: Usefull Utility

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

> Think so? Take a good look at Machinery's Handbook. Everything I
>need to
> draw tooth profiles from 1/4 P to 1P are listed in one charts.
>
> If I was going to work with machining sprockets on a CNC machine,

I'd draw

> ONE tooth profile for each pitch size, save them all on one drawing.

I've looked. I have even drawn them in the past. Have you looked
closely?? Twenty two dimensions and variables PER TOOTH.
Five cutters per range.
God knows how many pitch sizes.
Do the maths:-
22 x 5 x God = A hell of a lot of work.

>
> Then when I needed a sprocket, I'd copy and paste the tooth profile
>as
> needed to provide the sprocket drawing. Since I have Vector now,
>I'd import
> the tooth profile directly into it for generating both the tooth
>profile of
> the sprocket and the G-code for machining it. I'd probably have
>the tooth
> profile as well as the g-code done in about ten minutes.
>

Smoke,
That's how I do it as well.
I only put this link forward as being of interest to group readers.
No need to take it so seriously. It's swings and roundabouts. To some
$15 is a lot, to other the time, or doing something they are
uncertain with is worth more.
Don't forget it's not just sprockets there is loads more in there and
it's free for life update path.
And no I'm not selling it, I didn't find it until a couple of weeks
ago when I was sorting out an incorrectly drawn sprocket.

John S.

>
> > Sprockets are not that easy to draw geometrically correct.
> > John S.