Re: [CAD_CAM_EDM_DRO] Dimensions, 2D, 2.5D, 3D

In a message dated 8/27/02 12:19:09 PM Eastern Daylight Time,
Carl.Mikkelsen@... writes:

> Interesting. I've had these definitions wrong.
>
> I've assumed that the control software for my hexapod was 2.5D, but by
> these definitions is it already 3D.
>
> What is coordinated control of X,Y,Z, Pitch and Roll called? 5D? 5 dof?
>
> My hexapod coordinates motion all 6 axes of motion, but my toolpath
> generation software is limited to XYZ only.
>
> -- Carl
>
>
>
>

I think what we have here is a failure to make a distinction between
DIMENSION and AXIS. The 2.5D or 3D refers to the ability of the CAD/CAM
program and/or the ability of the controller to use all of the AXIS at the
same time or not. All machines work within 3 DIMENSIONS but may only have 2
AXIS of movement or even 1 AXIS. 2D means X and Y axis only, 2.5D means X,
Y, and Z axis but the controller can only operate within 2 of those
simultaneously, such as X and Y, X and Z, Y and Z, etc. 3D means that the
controller can operate all 3 at the same time such as making a helical cut
using all 3 axis. Any additional axis of movement would be rotating the head
on a different AXIS but, of course, still within the 3 DIMENSIONS of the real
world.

I hope this helps and it makes sense.

Regards,

Randy Abernathy
4626 Old Stilesboro Road
Acworth, GA 30101
Phone / Fax: 770-974-5295
E-mail: cnc002@...
We service, install and repair industrial woodworking machinery
Specializing in SCM / SCMI CNC Panel Saws and Routers


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