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Increased Demand for 3D scanning in medical industry shows signs of renewed vigor in economies worldwide

Published Date : December 29, 2017

3D scanning analyzes the characteristics of an object encompassing appearance and shape. 3D scanner performs data collection and utilizes it to construct three-dimensional models. The market of 3D scanning devices is vast for it has applications in a wide variety of fields. This includes the fields of aerospace and defense, architecture and engineering, industrial manufacturing and health care. There are short, medium, and long-range products. The products prevalent in the market include structured light scanner, laser scanner and optical scanner.

Usage of various technologies of 3D scanning:

3D scanners conceive both the shape and appearance (color) of an object. The construction of 3D scanners incorporates the usage of different types of technologies. However, there are limitations for each technology. The usage of optical technology has many flaws when it comes to shiny, transparent, or mirroring objects. Hence, each technology has drawbacks of its own. However, they suit certain requirements and they could suit a specific variety of scanning. For instance, digital 3D models are constructed using industrial computed tomography scanning, by non-destructive testing.

Application sectors of 3D scanning:

Production of movies and games incorporates the collected range of 3D data using 3D scanners. Hence, 3D scanning finds significant applications in the entertainment industry. Furthermore, the usage of 3D scanning technology is prevalent in sectors that entail reverse engineering, industrial design, documentation of cultural artifacts, prototyping, orthotics and prosthetics, and quality control/inspection. Creation GIS (Geographic Information System) maps and geomatics also utilize 3D scanning methodologies. 

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Categories of technologies used in 3D scanning devices:

  • There are two varieties of technologies for 3D scanning devices prevalent in the market.  Notion of physical touch categorizes the digital acquirement performed by 3D scanners. The two categories are contact and non-contact solutions. There are two sub categories in the category of non-contact solutions. The two categories are active and passive.
  • Contact solutions function based upon the physical touch wherein there is a precision flat surface plate in contact with the object. The scanned object would rest on the polished ground. They polish the ground to a specific maximum of surface roughness.
  • On the other hand, non-contact technologies utilize different sources to facilitate touch on the surface of the object and subsequently procure the required images.

Varieties of non-contact scanners:

Non-contact active scanners:

Time-of-flight laser scanners and triangulation scanners are some of the varieties of non-contact active 3D scanners. Both of these scanners employ laser to probe the environment. 

Non-contact passive scanners:

Non-contact passive scanners depend on detection of reflected ambient radiation. They do not emit any sort of radiation themselves.

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