Re: Dimensions, 2D, 2.5D, 3D

> --- In CAD_CAM_EDM_DRO@y..., "j.guenther" <j.guenther@v...> wrote:
> > If 3D is moving all three axis simultaneously then what do you
> > call moving
> > X,Y,Z and A all together, 4D?

> My contribution to CADCAM, CNC terminology: 3D+
>
> Peter

--- In CAD_CAM_EDM_DRO@y..., "James Owens" <wotisname@l...> wrote:
> It is still 3D as in three dimensions. To add a fourth dimension
would probably be "time" and take CNC machining into the realms of
Steven Hawkins.

That's why it is 3D+ and not 4D. 3D plus a rotary axis or something,
with the tool still firmly rooted in 3D space.

Strictly speaking, for CCEDer's, 2D should be 3D and 3D should be 4D
because when tool move at varying feedrate, there is a third/fourth
dimension - time.

Peter