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JGeorge
Joined: 12 May 2004
Posts: 1
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 Posted: Wed May 12, 2004 8:05 am Post subject: What is the difference between these CAD file types? |
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If anyone can explain what the difference is, what program generates them, and what programs open these different file types, it will be greatly appreciated.
The files I am concerned about are:
.dxf
.dwg
.sat
.step
.iges
Thanks in advance,
J.D. George |
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John Cruet
Joined: 30 Apr 2004
Posts: 284
Location: Guilford, CT
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| Posted: Wed May 12, 2004 11:29 am Post subject: Re: What is the difference between these CAD file types? |
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| JGeorge wrote: | If anyone can explain what the difference is, what program generates them, and what programs open these different file types, it will be greatly appreciated.
The files I am concerned about are:
.dxf
.dwg
.sat
.step
.iges
Thanks in advance,
J.D. George |
DXF is digital exchange format, a format open-sourced I think) by AutoDesk to facilitate the exchange of CAD data between two different programs.
DWG is a native AutoCad file.
From what I can tell, IGES is a graphics file of bitmaps.
Don't know about SAT or STEP files.
_________________
John Cruet
G4/733 w/1028 mb RAM & OS 10.4.10, Classic-free, skuzzy-free (runs PC7)
MacBook Pro 2G Intel core duo 2 gig RAM & OS 10.5.4.
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Canon iP710 printer
www.johncruet.com |
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F700ES
Joined: 23 Apr 2004
Posts: 113
Location: North Carolina
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| Posted: Wed May 12, 2004 11:51 am Post subject: Re: What is the difference between these CAD file types? |
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| John Cruet wrote: | | JGeorge wrote: | If anyone can explain what the difference is, what program generates them, and what programs open these different file types, it will be greatly appreciated.
The files I am concerned about are:
.dxf
.dwg
.sat
.step
.iges
Thanks in advance,
J.D. George |
DXF is digital exchange format, a format open-sourced I think) by AutoDesk to facilitate the exchange of CAD data between two different programs.
DWG is a native AutoCad file.
From what I can tell, IGES is a graphics file of bitmaps.
Don't know about SAT or STEP files. |
Correction on iges John, it is a "standard" (or neutral) CAD (2D or 3D) file format. Most if not all of your "big dog" 3d apps can use this format. Here is a link.
.http://www.nist.gov/iges/
Sat and Step are similar 3D, usually mechanical applications, file formats. I know that Rhino3D and Studio Max can both open iges.
Cheers  |
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abraj
Joined: 06 Dec 2004
Posts: 1
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| Posted: Mon Dec 06, 2004 3:08 pm Post subject: A note from Australia |
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| Hai Guys! SAT is the Standard ACIS Text format for exchanging information with the ACIS geometry definitions. ACIS is the 3D modeling software from Spatial, a division of Dassault Systemes of France. Any ACIS-based CAD program will open the file. I am also waiting to know about the step extension. The only step I know is the Siemens Step7 PLC software. But the file extension of it is .s7p, .s7s and .mwp for the micro PLC's. |
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Christer
Joined: 10 Jan 2005
Posts: 1
Location: Sweden
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| Posted: Mon Jan 10, 2005 7:27 am Post subject: |
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STEP is an emerging format which is intended to include a large amount of machining information, including the model, material and tool information. Mastercam will read the CAD data from STEP files. STEP files have the .STP or .STEP extension.
Benefits: These files can potentially carry a wide variety of information that is not available in other formats.
Considerations: Although this format will become more widespread, it is not currently used as widely as other formats, such as IGES. In addition, most packages that currently output STEP files do not output all of associated information that STEP is intended to support. |
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