Additive
Manufacturing (AM) refers to a process by which digital 3D design data is used
to build up a component in layers by depositing material. The term ‘3D
printing’ is increasingly used as a synonym for Additive manufacturing
(Srinivas and Babu, 2017). However the latter is more accurate in that it
describes a professional production technique which is clearly distinguished
from conventional methods of material removal. In conventional machining such
as turning and milling, the material is getting removed from a solid block
(Eos.info, 2018). In other words, the material is subtracted from the work
piece so these processes are termed as subtractive manufacturing. Additive
manufacturing is just the opposite of subtractive manufacturing (See Fig.1.1).
It builds up components layer by layer using materials which are available in
powder, liquid or filament forms.
Fig.1.1 Conventional
Manufacturing V/S Additive Manufacturing (Bct-technology.com, 2018)
The
material may be plastic, metal, concrete or one day human tissue. In the past
few years, many companies have embraced AM technologies and are beginning to
enjoy real business benefits from the investment. The technology is maturing
and has worked its way into a number of markets. It is one of the hottest and
most interesting advancements in the design and marketing world today.
References:
Bct-technology.com.
(2018). NX 11.0.2 Additive Manufacturing - BCT Technology AG. [online]
Available at: https://www.bct-technology.com/en/support/tips-tricks/nx-1102-additive-manufacturing.html
[Accessed 12 Jan. 2018].
Eos.info. (2018). EOS
Industrial 3D printing - Process, method and benefits. [online] Available at:
https://www.eos.info/additive_manufacturing/for_technology_interested [Accessed
12 Jan. 2018].
Srinivas, M. and Babu,
B. (2017). A Critical Review on Recent Research Methodologies in Additive
Manufacturing. Materials Today: Proceedings, 4(8), 9049-9059.
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