NX, also known as Unigraphics is an advanced CAD, CAM, CAE application which is owned by Siemens PLM Software. It is commonly used for design, engineering analysis and manufacturing. NX is built on Parasolid and runs on Linux, Microsoft Windows, and MacOS.
On the CAD level UX provides parametric solid modeling, freeform surface modeling, reverse engineering, styling, engineering drawing, PMI, reporting and analysis, knowledge-based engineering, sheet metal design, assembly modeling, routing for wiring and piping. In CAE key functions are stress analysis, kinematics processes, CFD and thermal analysis. As for the CAM level, the main function is numeric control programming.
SpaceClaim is a solid modeling CAD application that runs on Microsoft Windows. It is developed by SpaceClaim Corporation, but now owned by ANSYS.
SpaceClaim’s 3D direct modeling technology is expressed by the following tools: pull, move, fill, and combine.
Pull contains most creation features which can be found in traditional CAD systems. For instance, using the Pull tool on a face by default offsets the face, but using the Pull tool on an edge rounds it.
Move relocates components and geometry, and can also be used to create patterns (often called arrays).
Fill primarily removes geometry from a part by extending geometry to fill in the surrounding area. It is commonly used for deleting rounds and holes from a model.
Combine merges parts and subtracts parts from each other.
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