Re: [CAD_CAM_EDM_DRO] Re: CAM software with 2D relief capabilities

Thanks Mark,
I downloaded the beta and have just started experimenting with it.
It seems to be pretty neat for bitmaps.
I don't understand the benefit of machining STLs from it though.
One has to create the part elsewhere, why not just create G code from that
software? I'm probably missing something.
I'm definitely going to try some toolpath from bitmaps...pretty cool.
Brad

----- Original Message -----
From: "rotarysmp" <mark.wrathall@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, November 23, 2003 10:58 AM
Subject: [CAD_CAM_EDM_DRO] Re: CAM software with 2D relief capabilities


> If you have software which will generate an STL file, you might want
> to give meshcam a try. Currently a free beta. It can already do what
> you describe.
>
> http://www.robgrz.com/meshcam.phtml
>
> Regards,
> Mark
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Brad Eyben" <abeyben@t...>
> wrote:
> > If you have a typical flat surface such as the bottom of a pocket
> and
> > imagine it was plastic. Then you were to apply heat and watch it
> slump
> > downwards as it started to melt but was attached by the edges so as
> to form
> > kind of a bubble.
> > That's the kind of surface I would like to create.
> > I think I remember seeing this from a Cimitron demo for making
> coins. It was
> > very expensive and about 8 or 10 years ago.
> > I was thinking maybe some of the more affordable packages may now
> have this
> > feature.
> > Thanks,
> > Brad
> > ----- Original Message -----
> > From: "Fred Smith" <imserv@v...>
> > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > Sent: Saturday, November 22, 2003 8:36 PM
> > Subject: [CAD_CAM_EDM_DRO] Re: CAM software with 2D relief
> capabilities
> >
> >
> > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Brad Eyben"
> <abeyben@t...>
> > > wrote:
> > > > Does anybody know of an affordable CAD/CAM package that will
> > > produce a
> > > > surface from a 2D contour which has a relief up or down.
> > >
> > > It may be very helpful if you explain your question a little
> better.
> > >
> > > In Cad-Cam a surface is usually defined as a non-flat
> construction.
> > > A plane is used to define things like the flat sides of rectngular
> > > shaped stock, the bottoms of pockets, and the flat areas
> surrounding
> > > relieved letters and designs. These are usually cut with flat
> > > bottomed cutters, either end mills or router bits.
> > >
> > > A surface, which is non-flat is usually machined with a full
> radius
> > > ball end mill or Cove bit. Sometimes a Bull nose is used, this
> > > combines the flat end with radiused corners. In fine jewelry
> > > machining a sharp angled bit is used to carve tiny details that
> it is
> > > impractical to machine with a radiused cutter.
> > >
> > > Simple pocketing with islands will create raised or inset letters
> and
> > > complex shaped contours. Is this what you refer to when you use
> the
> > > term relief? Pocketing with angled cutters will also create a 3D
> > > appearing letter or contour.
> > >
> > > Most of the inexpensive cad-cam systems will produce one or more
> of
> > > these kinds of toolpaths. If you are more specific about what you
> > > want to cut, a more precise recommendation can be made.
> > >
> > > Fred Smith - IMService
> > >
> > >
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> OFF Topic POSTS: General Machining
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aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
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>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be 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........
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> List Mom
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