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3D Printing and Additive Manufacturing

Interlaken_Switzerland_DSC_0246
(Interlaken, Switzerland - Alvin Wei-Cheng Wong)
 
 
 

3D Printing

 

The future of prototyping and manufacturing is speeding up and 3D printing is in the front seat.

"3D printing (or additive manufacturing) is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the object is created. Each of these layers can be seen as a thinly sliced horizontal cross-section of the eventual object. 3D printing is the opposite of subtractive manufacturing which is cutting out /hollowing out a piece of metal or plastic with for instance a milling machine." -- [3D printing,com]

 

Additive Manufacturing (AM)

 

"Additive Manufacturing (AM) is an appropriate name to describe the technologies that build 3D objects by adding layer-upon-layer of material, whether the material is plastic, metal, concrete or one day…..human tissue.

Common to AM technologies is the use of a computer, 3D modeling software (Computer Aided Design or CAD), machine equipment and layering material.  Once a CAD sketch is produced, the AM equipment reads in data from the CAD file and lays downs or adds successive layers of liquid, powder, sheet material or other, in a layer-upon-layer fashion to fabricate a 3D object.

AM application is limitless. Early use of AM in the form of Rapid Prototyping focused on preproduction visualization models. More recently, AM is being used to fabricate end-use products in aircraft, dental restorations, medical implants, automobiles, and even fashion products." -- [Additive Manufacturing]

 

[More to come ...]


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