One of the major applications that Reverse engineering services is constructing CAD models from physical objects. Usually when conventional methods like callipers and gauges fail to trace the geometry of a complicated object, a 3D laser scan is used to gather information and necessary dimensions and data. The extracted information is hence employed to construct CAD models which in turn can be used to make replicas of the specified product.
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Particularly in the field of 3D laser scanning, reverse engineering helps you in following ways:
• It let you obtain CAD data that captures an object's original design intent.
• It can be employed to design a new part to fit to a legacy part
• Accurately model performance surfaces
• Update CAD models of your tooling to match shop-floor changes
• Redesign a part without manufacturing defects
• Modernize your manufacturing process
The reverse engineering services process outputs in this arena can be classified into three major parts:
• Parametric Models.
It is used when there is need of Modifications in file, 2D drawings are needed, smooth Surface finish is required or parts are supposed to build on or around scanned part. Ideal data is converted from the scanned data and parametric solid modelling is done in it.
• Hybrid Surface Models.
It is much similar to parametric models. The difference lies where modifications need re-trimming. Also, unlike parametric models they result in ‘Dumb’ IGES surfaces or solid.
It is used when we need as-built state of the model, parts has to be designed to fit as-built state, surface finish is not critical or model is free from shapes such as teeth, bones, sculptures, and custom-fit moulds
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