What is reverse engineering?

What is reverse engineering?

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As computer-aided design (CAD) has become more popular, reverse engineering has become a viable method to create a 3D virtual model of an existing physical part for use in 3D CAD, CAM, CAE or other software. The reverse-engineering process involves measuring an object and then reconstructing it as a 3D model. The physical object can be measured using 3D scanning technologies like CMMs, laser scanners, structured light digitizers, or Industrial CT Scanning (computed tomography). The measured data alone, usually represented as a point cloud, lacks topological information and is therefore often processed and modeled into a more usable format such as a triangular-faced mesh, a set of NURBS surfaces, or a CAD model.
Reverse engineering is also used by businesses to bring existing physical geometry into digital product development environments, to make a digital 3D record of their own products, or to assess competitors' products. It is used to analyse, for instance, how a product works, what it does, and what components it consists of, estimate costs, and identify potential patent infringement, etc.

 
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All Commercial software comes up with inbuilt reverse engineering tool but it will take away some money from your pocket due to license.You can try open source CAD software like CollabCAD,QCAD etc where you need point cloud data as input.I am using CollabCAD software for reverse engg application which is totally free and easily downloadable .Refer www.collabcad.com or www.collabcad.gov.in

 
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Dear shanker sir

how to learn collabcad and revers engineering on catia .

 
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