In the case of UG the .stl conversion add on is very expensive. (last I
heard well over $4K) If they do not have the .stl converter, We use a
parasolid output rather then dealing with the .IGS. We tell the
customer to export to parasolid then we pull it into Solid Works. (it
also uses the parasolid kernal) Solid Works always pulls in the files
and makes great .stl files.
Paul Lasman wrote:
>
> We have been doing IGES to .Stl conversions for the local R/P shops for
> many years using Unigraphics.
>
> The procedure can be very tedious and the IGES output can have a great
> effect on the completeness of the converted IGES file. There are several
> entity types that are not supported within IGES and the proper settings on
> the output side needs to take this into account. For example trimmed
> revolved surfaces don't come through but if the surfaces are conveted to
> b-surfaces they come through much better.
>
> Another feature of Unigraphics and maybe other systems as well is that it
> is not necessary for the surfaces to be sewn into a solid before converting
> to .Stl, this method can save time.
>
> In some cases we have used the surface model as a guide to recreate the
> model as a solid, this method tends to be most useful when the model needs
> to have chem-mill added because much of the time the surface definition is
> too complex for the system to do an offset.
>
> ______________________________ Reply Separator
> _________________________________
> Subject: IGES to STL
> Author: Shreyas J Bakshi <sjbakshi@protosystech.com> at Internet
> Date: 7/1/98 7:09 PM
>
> Hi all,
>
> Can some users share their experience on the aspects of using some IGES
> to STL software versus using a CAD software to do the same. I understand
> that using a CAD software will involve first doing the IGES-IN then
> either stitching/patching/offseting the surfaces into a solid and then
> generating the STL-OUT. But what I would like to know from the users' is
> how good each of these methods have been for them
>
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-- ####### Scott "Scooter" Sutterer #####\_O Premier Design & Mfg. Co. ####/\/> 5988 Mid Rivers Mall Dr. #### /" St. Charles MO 63304 ### \ Phone: (314) 936-1288 ## Fax: (314) 936-2528 # ssutter@pdmfg.comFor more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
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