Reverse engineering can be described as the process in which an object, device or system is broken into its constituents to see how each of these parts work together to form one functional unit. This process is necessary because people have been able to understand how technology operates and you it can be applied and maximized. Improvements can be done through the innovation of applied technology, making innovations much better.
Initially, reverse engineering relied on analog and GPS scanning technology to collect the spatial data of objects and operating systems. But this is not the case today as many companies have taken to the use of laser scanners for the reverse engineering process.
3D laser scanning offers many benefits over the traditional scanning methods especially when it comes to time and cost of scanning. Reverse engineering services use laser scanners for a variety of applications but in each case, the scanning results are used to produce models that allow the company to fabricate objects with relative ease. Some of the models include the parametric models, hybrid surface models and the shrink wrap surface models.
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The Parametric Models
The parametric models turn realistic data from scanned data and include or ignore manufacturing defects. This means that the parameters used in the parametric model are expressed in finite-dimensional parameter spaces distinguishing them from nonparametric models, semiparametric models, and semi-nonparametric models. Parametric models are used whenever 2D drawings are required when a product’s surface must be smooth, when the parts will be built on a scanned part, or when the scanning data will be conceptually modified.
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The Hybrid Surface Models
Just like the parametric models, hybrid surface models can convert ideal or realistic data from scanned data and can ignore or incorporate the manufacturing defects. Hybrid surface model is used when the modification of the object requires refining or must be a class-A surfaced. Just as their name suggests, the hybrid surface models are used to modify object’s surface and are therefore suitable when superficial modifications are part of an object. This model is also ideal when 2D drawings are required when building on or around an object that is scanned or when surface finish of an object must be smooth.
The Shrinkwrap Surface Models
The shrinkwrap surface models are used to take objects in their original state including the manufacturing defects; hence they are ideal for designing parts to accommodate as-built models. Mainly, there are three types of shrink wrap models: surface subset models, used to compose a collection of external surfaces and datum figures; solid faceted models which are used to give an approximate representation of the original object; and subset surface models, which are used in approximating the visual presentation of the original object.