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Reverse Engineering Basics
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You want to make a copy of a existinge object, but you lack the necessary design data to do so. Or alternatively, you are designing a new product, and you want to incorporate design features of an existing product for which insufficient data are available.
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Generating (i.e. recreating) these lacking data is referred to as Reverse Engineering. We at ARGON can offer you the geometrical design data of the surface in CAD format (mostly IGES, STEP).
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 | | Freeform:
Fitting the surfaces as good as possible through the measured points | |
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| | Geometrical Entities:
Creating geometrical entities (cylinders, planes, etc.) on the basis of measurement data | |
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Example: Scanning of a sphere with an imperfection
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The geometrical approach ignores the imperfections, and crreates the best possible perfect sphere on the basis of the scan data.
The freeform approach models the imperfections as good as possible.
The left colour plot shows that the deviations between the scan data and the freeform surface model are minimal.
On the contrary, the right colour plot illustrates the imperfections of the spere.
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( click on thumbnail to enlarge)
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Depending on the application, a client needs one or the other approach.
ARGON's engineers have the know how to decide when to use which approach. This often makes the difference between success or failure in reverse engineering projects.
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| | Creating parts but your client did not supply you with appropriate CAD data. All you have is an example. | |
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| | Making a new mould, based on an existing one, but there are not CAD data. | |
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| | Your design department or partner supplies the part in STL format, and you need IGES or SETP. | |
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| | Copying parts of your competitor | |
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