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Siemens NX

NX (Software)
NX7 image of an automobile
Developer(s) Siemens PLM Software
Initial release 1973
Stable release NX 10.0 / October 28, 2014 (2014-10-28)
Development status active
Operating system Mac OS, Unix-like, Windows XP or later (x86/x64)
Available in multi-language
License proprietary

NX, formerly known as NX Unigraphics or usually just U-G, is an advanced high-end CAD/CAM/CAE software package originally developed Unigraphics, but since 2007[1] by Siemens PLM Software.[2]

It is used, among other tasks, for:

NX is a direct competitor to CATIA and PTC Creo Elements/Pro.


  • History 1
  • Release history 2
  • Key Functions 3
  • Supported operating systems and platforms 4
  • Architecture 5
  • See also 6
  • Gallery 7
  • External links 8


1969: UNIAPT was released by a software company then called United Computing, UNIAPT was one of the world's first end-user CAM products.

1973: The company purchased the Automated Drafting and Machining (ADAM) software code from MCS in 1973. The code became a foundation for a product called UNI-GRAPHICS, later sold commercially as Unigraphics in 1975.

1976 McDonnell Douglas Aircraft buys United Computing.

1983: UniSolids V1.0 was released, marking the industry's first true interactive Solid Modeling software offering.

1991: During a period of financial difficulties McDonnell Douglas sells Unigraphics to EDS which at that time is owned by General Motors.[3] Unigraphics becomes GM's corporate CAD system.

1992: Over 21,000 seats of Unigraphics are being used worldwide.[4]

1996: Unigraphics V11.0 is released. Added Industrial Design and Modeling enhancements including Bridge Surface, Curvature Analysis for Curve and Surfaces, Face Blends, Variable Offset Surface, etc. In the area of Assembly Modeling the new capabilities included Component Filters, Faceted Representations, Clearance Analysis between multiple Components, etc. Also this release included a fully integrated Spreadsheet linked to Feature-Based Modeling.

2002 First release of the new "Next Generation" version of Unigraphics and I-DEAS, called NX. This will eventually bring the functionality and capabilities of both Unigraphics and I-DEAS together into a single consolidated product.

2007 Introduction of Synchronous Technology in NX 5.[5][6]

2011 Release of NX8 on October 17-2011

2013 Release of NX9 (x64 only) on October 14-2013

2014 Release of NX10 on October 28-2014

Release history

Name/Version Version History Value Release Date
Nx 5 5/21/2008
Nx 6 __/__/_____
Nx 7 __/__/_____
Nx 8 10/17/2011
Nx 9 10/14/2013
Nx 10 10/28/2014

Key Functions

Supported operating systems and platforms

NX runs on[14] Linux, Microsoft Windows and Mac OS.[15]


NX uses Parasolid for its Geometric modeling kernel and D-Cubed as Associative engine for sketcher and assembly constraints as well as using JT (visualization format)[16] for lightweight data and Multi-CAD.

See also

  1. ^ "Siemens Closes Acquisition of UGS; Introduces Business as UGS PLM Software".  
  2. ^ "NX main page".  
  3. ^ Zipper, Stuart (1991-11-11). "See GM, IBM in CAD/CAM fight; after Unigraphics deal". Electronic News. 
  4. ^ Bozdoc, Martian. "1992-1993". The History of CAD, CAD chronology. iMB. 
  5. ^ Yares, Evan (2008-05-21). "Synchronous Technology and Design Freedom". 
  6. ^ "Synchronous Technology".  
  7. ^ "NX modeling page".  
  8. ^ England, Derek (2009). "Rapid Design Through Synchronous Modeling". Collaboration & Interoperability. Siemens PLM Software. 
  9. ^ Parrella, Tod. "Reverse Engineering". PLM World 2007. UGS Corp. 
  10. ^ Wong, Kenneth. "HD3D". Desktop Engineering. 
  11. ^ Anderson, Taylor (May 3, 2009). "Automating the Design Validation Process with NX Check-Mate". Desktop Engineering. 
  12. ^ Carrington, Jim. "NX 6 Assembly Modeling Update". PLMWorld 2008. 
  13. ^ Clarke, Charles. "Developments in the CAM software market". tct. Archived from the original on 2011-07-16. 
  14. ^ "Officially Supported platforms page".  
  15. ^ Dean, Al. "Siemens NX on OS X is a-go-go". MACDESIGN. 
  16. ^ Carrington, Jim. "Working with Multi-CAD Data in NX using JT". PLMWorld 2008. Siemens PLM Software. 


External links

  • Siemens NX, User Forums (not an official site from Siemens PLM)
  • Official website
  • NX on YouTube
  • NX CAM on YouTube
  • Siemens PLM blog
  • PLM World Unigraphics and SDRC Museums
  • Example of NX9 Realize Shape
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