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NX is the commercial CAD/CAM/CAE software suite developed by UGS. It is commonly referred to as a 3D PLM software application. All stages of product development are supported, from conceptualization, to design (CAD), to analysis (CAE), to manufacturing (CAM).
NX was previously know as Unigraphics.
NX is a parametric solid/surface feature based package.
NX is widely used throughout the engineering industry, especially in the automotive and aerospace sectors, where Catia V4, Catia V5 and NX are the three dominant systems.
NX is a revised, state of the art CAx software package that inherits the technology from both Unigraphics and I-deas but is primarily based on the Unigraphics code base. EDS acquired (but later sold, see UGS Corp.) both Unigraphics Solutions (maker of Unigraphics) and Structural Dynamics Research Corporation (maker of I-deas) and decided to merge these two products into NX. Additionally, SDRC's Imageware styling product is being merged into NX to provide product styling capabilities suitable for automotive (Class A) surfacing applications.
NX3 is already out in the market with NX4 launch scheduled sometime in December 2005.