Re: [CAD_CAM_EDM_DRO] re:: Re: CAD CAM Controller software

anything except autocad itself's DXF output can be a real pain when importing to a third party program. IGES is also notorious for poor implementation.


Marcus & Eva wrote:

> Hi Elliot:
> I just want to slip in a word edgewise; I've had lots of problems in the
> past trying to use DXF files created in Solidworks and then brought into CAM
> systems.
> Lots of discontinuities and multiple entities that screw up the chaining
> process.
> I suspect that you will have the same problems.
> I have had poor success with IGES imports because I get spline output for
> arcs.
> Major PITA.
> Best for me has been Parasolid output from Solidworks...but I go into
> Mastercam (which accepts Parasolid inputs)
> I get excellent geometry transfer and edge curves that I can ACTUALLY USE!!!
> All other file transfer protocols I've tried have been hit or miss.
> I agree with you, it's a real pain to recreate geometry just for the CAM
> system.
> I do all my 2D cutting from the edge curves, and save the surfaces for 3D.
> I've tried high end surfacing for 2D stuff (Feature recognition and all that
> Jazz) but I've found it to be both slower and also less certain than
> standard boring old 2D from edge curves.
> Hope this is useful
> Cheers
>
> Marcus
>
> ----- Original Message -----
> From: "Elliot Burke" <elliot@...>
> To: "CAD_CAM_EDM_DRO" <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Sunday, May 05, 2002 6:22 PM
> Subject: [CAD_CAM_EDM_DRO] re:: Re: CAD CAM Controller software
>
> > John S. writes:
> > >If you are happy using Autocad 2000 that fine. With Dolphin you have
> > >a choice. You can import into the CAD side as a dxf file and specify
> > >which of the shapes need to be your toolpath, or you can draw the
> > >shape you need for the toolpath and import that straight into the
> > >CAM system.
> >
> > ........
> > >So far I've taught four people on this list who used another low cost
> > >program how to program in Dolphin. All four have found it far easier
> > >and dropped the other program.
> >
> > Several years ago I changed from AC to SolidWorks. Do you know anything
> > about exporting from CAD programs into Dophin?
> > SW exports solids as IGES, STEP, and a few other formats. The DXF exports
> > are flat, and contain no Z information.
> > I really don't want to recreate my geometry in AutoCAD.
> >
> > Thanks.
> >
> > Elliot
> >
> >
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> 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.
>
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