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1. DRAWING SKETCHES

CAD drawings are used in a large number of industrial and manufacturing applications. This technology is widely utilized in art and graphic design and gives these artists a greater level of design flexibility than that of other mediums. These drawings are also used in automotive and aerospace design, as well as in the development of industrial products and equipment. Many special effects used in films and television rely on computer animation generated with CAD software. Finally, CAD drawings are a critical component of the construction and engineering trades.


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2. SOLID MODELLING

Solid modeling (or modelling) is a consistent set of principles for mathematical and computer modeling of three-dimensional solids. Solid modeling is distinguished from related areas of geometric modeling and computer graphics by its emphasis on physical fidelity. Together, the principles of geometric and solid modeling form the foundation of computer-aided design and in general support the creation, exchange, visualization, animation, interrogation, and annotation of digital models of physical objects.


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3. SURFACING

A mathematical technique for representing solid-appearing objects. Surface modeling is a more complex method for representing objects than wireframe modeling, but not as sophisticated as solid modeling. Surface modeling is widely used in CAD (computer-aided design) for illustrations and architectural renderings. It is also used in 3D animation for games and other presentations.
Although surface and solid models appear the same on screen, they are quite different. Surface models cannot be sliced open as can solid models. In addition, in surface modeling, the object can be geometrically incorrect; whereas, in solid modeling, it must be correct.


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4. REVERSE ENGINEERING

A 3D scanner is a device that analyses a real-world object or environment to collect data on its shape and possibly its appearance (e.g. colour). The collected data can then be used to construct digital three-dimensional models.
Many different technologies can be used to build these 3D-scanning devices; each technology comes with its own limitations, advantages and costs. Many limitations in the kind of objects that can be digitised are still present, for example, optical technologies encounter many difficulties with shiny, mirroring or transparent objects. For example, industrial computed tomography scanning can be used to construct digital 3D models, applying non-destructive testing.
Collected 3D data is useful for a wide variety of applications. These devices are used extensively by the entertainment industry in the production of movies and video games. Other common applications of this technology include industrial design, orthotics and prosthetics, reverse engineering and prototyping, quality control/inspection and documentation of cultural artifacts.

 


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5. ASSEMBLING

A 3D CAD system (such as KeyCreator, Autodesk Inventor, or SolidWorks) first produces the geometry of the part; the technical drawing comes from user defined views of that geometry. 3D CAD allows individual parts to be assembled together to represent the final product.

 

 


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6. DRAFTING

3D drafting allows users to take their 2D creations to the next level. 3D modeling is used in the creation of solids, such as machine parts, bridges and buildings. CAD can be used to add or subtract volume from geometric forms, such as cylinders or spheres. With most CAD software, 3D models can be easily converted into 2D drawings in order to be presented as traditional drafting documents. 3D drafting is generally considered a more realistic approach to drafting because its renderings most accurately resemble real-life objects.


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7. ANALYSIS OR DETAILING

One of the most common examples of engineering analysis is finite element analysis or FEA. FEA is one of the most commonly used and powerful feature of the CAD software. To carry out the analysis of object by using FEA, the object is divided into finite number of small elements of shapes like rectangular or triangular.

 

 

 

 


 

analysis