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Have you ever wondered how 3D printing works, what types of 3D printing exist, or just what
3D printing is used for these days? You’ve come to the right place: I’m going to talk the basic
definition of 3D printing,features,advantages and disadvanteges.
3D printing is a process whereby a 3D design is turned
into a real object. 3D printing takes digital input in the
form of Computer Aided Designmodel and creates solid ,
three dimensional parts through an additive, layer by
layer process
There are two types of 3d printing.first one is additive
manufacturing.other one is substractive manufacturing.
Additive Manufacturing couldreduce energy use by 50%
and reduces material costs by up to 96% compared to
traditional manufacturing.
1.Modelling:It takes virtual blueprints from modeling software and “slices” them into digital
cross-sections for the machine to successively use as a guideline for printing.
2.Printing:To perform a print, the machine reads the design from an .stl file and lays down
successive layers of liquid, powder, paper or sheet material to build the model from a series of
cross section.
How does it work?
Methods of 3d printing
There are there methods of 3d printing
1.Selective Laser Sintering(SLS)
3.Fused Deposition Modeling(FDM)
It is an additive manufacturing technique that uses a high power laser( for eg. CO2 laser) to
fuse small particles of plastic, metal, ceramic or glass powders into a mass that has a
desired3D shape.
It is an additive manufacturing process that works by focusing an ultraviolet (UV) laser on to
a vat of photopolymer resin.
It build parts layer-by-layer from the bottom up by heating and extruding thermoplastic filament.
Used for modelling,prototyping and production applications
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