Re: Newbie: Machining an oval?

Many thanks Dave, unfortunately, that would agree with my
experiments :)

George

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<davemucha@j...> wrote:

> Hi George,
>
> unfortunatly, no.
>
> I did a CAD layout on an elipse broke it into quarters and then

laid

> 3 circles over one quarter. I was very happy to find that the

offset

> from an arc to the elipse was withing a few thou, much better than

my

> requirements for that project.
>
> For an elipse, you need to break up the curves into point to point
> steps. the more steps the closer to a perfect ellipse you will

get.

> but for most software , each step will be a ramp up, and down and
> stop. to the milling will be very slow.
>
> Back to an oval. An oval is 2 circles and 2 lines connecting.

just

> determine your circle center points and cut one half circle, one
> straight, the other have circle and the remaining straight.
>
> seems like a very few lines of code.
>
> Dave
>
>