In NX-CAD it is easier to draw sketches and hence easier Part Modelling. One such instance is the option to create polygons, in CATIA, only rectangles, parallelograms, and hexagons(only when the distance between parallel sides are known) can be created directly. But in NX-CAD, it has a feature where you can create any regular polygon.
Since the NX package comes with NASTRAN, an analysis software, and NX-CAM, a machining simulation software, it is helpful for designers who have to analyze and run machining simulations for their models. CATIA also has these functions but is not as good.
NX-CAD is a high-end software, becoming popular, preferred for better product design due to reverse engineering, NX-CAM, and NASTRAN facilities.
What are the major differences between CATIA and NX-CAD and PRO-E?
CATIA is a CAD (Computer-Aided Design) software but NX Unigraphics is CAD/CAM (Computer-Aided Manufacturing) software. CATIA is too good at Surfacing and SheetMetal. As there are so many options available on the toolbar. It's average on the basis of interface and part modeling.
On NX Unigraphics you can properly manufacture the model. You can get all the G-Codes and M-codes with the profile of the CNC tool.
NX can be connected to CNC Machine for direct use of Manufacturing without entering the Codes in the CNC.
NASTRAN is also available here on the package to provide you with better analysis.
If you go for Sketching on NX with precise sketches and constraints, it's not a good choice. As it requires wasteful constraints and dimensions.
And now ProE or CREO is good for Sketching and Modelling. Constraining is better for Sketches and Assembly features.
In NX-CAD it is easier to draw sketches and hence easier Part Modelling. One such instance is the option to create polygons, in CATIA, only rectangles, parallelograms, and hexagons(only when the distance between parallel sides are known) can be created directly. But in NX-CAD, it has a feature where you can create any regular polygon.
Creo (formerly Pro-E) is the most popular solid modeling software due to its fully parametric functionality.
CATIA is an unbeaten surface modeling software as it gives the best surface finish when given output to CNC.
NX-CAD is a high-end software, becoming popular, preferred for better product design due to reverse engineering, NX-CAM, and NASTRAN facilities.
Based on this, let’s see who is using CATIA/NX/Creo in 2016:
CATIA | NX | CREO |
Boeing | Pratt and whitney U.S. | Tata technologies |
Embraer | Ge aviation | caterpillar |
Renault | - | Renault |
Ford | GM | Rolls-royce north America |
Toyota | - | Toyota |
Volkswagen group/audi | - | Volkswagen group/audi |
Airbus | Fiat | Whirlpool |
Hyundai | Nissan | Harley Davidson |
Honda | - | Hyundai |
BMW | Susuki | |
Chrysler |
Which software is better for a mechanical engineer: CATIA or Creo?
You can make a comparison between CATIA and UG-NX. Both are very powerful multi-platform PLM software suites.
Creo has been widely used in mechanical part design and die & tool design. But the scope of Creo is a bit limited when compared with CATIA. Most companies use multiple software for distinct requirements.
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