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

John,

Now you are starting to get close to what they call 5 axis machining.

Bob

----- Original Message -----
From: "j.guenther" <j.guenther@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, August 27, 2002 7:52 AM
Subject: RE: [CAD_CAM_EDM_DRO] Re: Dimensions, 2D, 2.5D, 3D


> If 3D is moving all three axis simultaneously then what do you call moving
> X,Y,Z and A all together, 4D?
>
> John Guenther
> Sterling, Virginia
> > -----Original Message-----
> > From: Robert Campbell [mailto:bob@...]
> > Sent: Tuesday, August 27, 2002 10:34 AM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: Re: [CAD_CAM_EDM_DRO] Re: Dimensions, 2D, 2.5D, 3D
> >
> >
> > JJ,
> >
> > Most cnc machines that you will see people using on this list can do 3D.
> >
> > The limit is the software. I use a high end cadcam package
> > called AlphaCam.
> > The midrange version can only do 2.5D machining. By that I mean it can
> > generate G code for any depth of the Z axis, put only one depth for any
> > operation. For example if I am going to cut out a part using 3/4"
> > red oak in
> > three passes, the Z axis depth is set to cut the first path at .25
inched,
> > followed by a pass at .5 inches and the last pass at .75 inches.
> >
> > I hope that this helps.
> >
> > Bob Campbell
> >
> > ----- Original Message -----
> > From: "doug98105" <dougrasmussen@...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Tuesday, August 27, 2002 7:22 AM
> > Subject: [CAD_CAM_EDM_DRO] Re: Dimensions, 2D, 2.5D, 3D
> >
> >
> > > JJ,
> > >
> > > 2D is as you understand it to be.
> > >
> > > 2.5D & 3D as related to CNC machines appear to have no firm
> > > definitions. From years ago I understood 2.5D to mean the machine
> > > could move all 3 axes simultaneously, but only in a linear fashion.
> > > 3D meant the machine could move all three axes simultaneously while
> > > moving in a circular path. Helical interpolation (as in milling a
> > > thread) would be a simple example of a 3D move.
> > >
> > > Per my understanding of these definitions a machine rated as 2.5D is
> > > virtually unlimited in it's ability to surface workpieces in 3
> > > dimensions as long as the cutter path is made up of straight line
> > > segments.
> > >
> > > In the previous list discussion of this topic I found my definitions
> > > do not agree with those of some other list members.
> > >
> > > Doug
> > >
> > >
> > >
> > > --- In CAD_CAM_EDM_DRO@y..., "JJ" <jj5412@e...> wrote:
> > > > This is a basic question, but could someone explain 2D, 2.5D, 3D?
> > > >
> > > > I assume 2D would work like a plotter. Moves in X and Y, with the
> > > tool
> > > > going up and down (or on and off) to fixed points.
> > > > 2.5D and 3D I don't understand. Is 2.5D "profiling"? I assume that
> > > means
> > > > X, Y and Z axes that can move to any position, but isn't that 3D
> > > also?
> > > > Or does 3D incorporate 4 or more axes?
> > > >
> > > > ADVthanksANCE,
> > > > JJ
> > > >
> > > > Be Kind, Be Careful, Be Yourself
> > >
> > >
> > > Addresses:
> > > FAQ: http://www.ktmarketing.com/faq.html
> > > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> > >
> > > OFF Topic POSTS: General Machining
> > > If you wish to post on unlimited OT subjects goto:
> > aol://5863:126/rec.crafts.metalworking or go thru Google.com to
> > reach it if
> > you have trouble.
> > > http://www.metalworking.com/news_servers.html
> > >
> > > http://groups.yahoo.com/group/jobshophomeshop I consider this as a
> > sister site to the CCED group, as many of the same members are
> > there, for OT
> > subjects, that are not allowed on the CCED list.
> > >
> > > NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING
THEM.
> > DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> > >
> > > Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
> > > Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> > > Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> > > List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> > > Moderator: jmelson@... timg@... [Moderator]
> > > URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> > > bill,
> > > List Mom
> > > List Owner
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> >
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it
if
> you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this as a
sister
> site to the CCED group, as many of the same members are there, for OT
> subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
> DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
>
> Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> bill,
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this as a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
>
> Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> bill,
> List Mom
> List Owner
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>