6 facts abouy 3D printing

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6 Facts about 3D Printing
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Beginners guide to 3D Printing
Welcome to iThink3DPs Beginners Guide to 3D
Printing. This document is for people who are
completely new to 3D printing technology or who
are looking at gaining additional information on
3D printing technology. It is very imperative
that 3D printing technology is going to change
the world. Experts claim 3D printing is a much
bigger revolution than internet. We at
iThink3DPs completely agree to those viewpoints.
In this document, we shall be providing data to
illustrate the true revolutionary nature of 3D
printing. 3D printing is an umbrella term for
a host of processes and technologies that offer a
full spectrum of capabilities for the production
of parts and products in different materials. One
thing common in all these processes is the manner
in which production is carried out layer by
layer in an additive process. That is why 3D
Printing is also called additive manufacturing
in contrast to traditional methods of production
that are primarily subtractive in nature, also
called as subtractive manufacturing or
molding/casting processes.
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1. 3D Printing Started in the 80s.

• Early additive manufacturing equipment and
  materials were developed in the 1980s. In 1981,
  Hideo Kodama of Nagoya Municipal Industrial
  Research Institute invented two additive methods
  for fabricating three-dimensional plastic models
  with photo-hardening thermoset polymer, where the
  UV exposure area is controlled by a mask pattern
  or a scanning fiber transmitter.
• On 16 July 1984, Alain Le Méhauté, Olivier de
  Witte, and Jean Claude André filed their patent
  for the stereolithography process. The
  application of the French inventors was abandoned
  by the French General Electric Company (now
  Alcatel-Alsthom) and CILAS (The Laser
  Consortium). The claimed reason was "for lack of
  business perspective".
• Three weeks later in 1984, Chuck Hull of 3D
  Systems Corporation filed his own patent for
  a stereolithography fabrication system, in which
  layers are added by curing photopolymers with ultr
  aviolet light lasers.

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2. 3D printing was primarily used for
prototyping, now being used to
create finished products.

• Taking its roots in manufacturing, 3D printing
  was primarily used for prototyping products. In
  fact, large corporations continue to use rapid
  prototyping to save millions of dollars. For
  example, Ford is currently using 3D printing to
  make large selections of its car parts for
  testing. According to Ford, the company can save
  up to 493,000 a month of work with this
  production method.
• Getting back to the point though, 3D Printing is
  increasingly being used to create finished
  projects.
• And now, we see that designers and individuals
  worldwide are also turning to 3D printing to
  bring their own creations to life, both for
  personal use and for the enjoyment of others.

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3. 3D printers print a model in layers

• Additive manufacturing works a lot like your
  inkjet printer at home. The ink jet printer puts
  a single layer of ink on top of the page in order
  to get the job done, while a 3D printer adds new
  layers on top of each layer before it, until the
  object is completed.
• Because of this layer-by-layer printing process,
  an escape hole is usually necessary to properly
  print and clean your models.

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4. There are several types of 3D printing
technologies

• Fused deposition modeling MakerBot is one of the
  best examples of this technology. These printers
  melt a plastic filament and deposit the plastic
  in layers until it fills up the model. There are
  two types of plastic, both of which MakerBot
  uses ABS, which is sturdy and made from
  oil-based resources, and PLA, which is
  biodegradable and made from plant-based
  resources.
• Stereolithography These machines use a laser to
  cure a resin and build the prototype one layer at
  a time. Rapid prototyping, another form, doesn't
  use supports to hold up the part so that it can
  be built faster, but in basic stereolithography,
  the supports must be manually removed from the
  part.
• Selective laser sintering Lasers are used to
  sinter powdered metal, binding the powder
  together to create a solid structure. After each
  layer is sintered together, the structure drops
  and the next layer is built on top of it.

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5. 3D printing can lower production costs.

• Traditional manufacturing models require a lot of
  upfront costs, storage fees and uncertainty from
  investors. Machines have to be set up, space
  rented, and fingers crossed that the manufactured
  product sells. 3D printing takes a more fluid
  approach you can print orders on-demand. If
  youre a maker or an entrepreneur trying to get a
  small business off the ground, this can home in
  handy. The additive process wastes very little
  material, and you can print as the orders come
  in. This makes it less financially risky and
  translates into a low cost of production.

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6. 3D printing is going to cause disruption
in many industries

• We know 3D printing will upheave mass
  manufacturers, but what else will the technology
  affect?
• Well, just about everything. Educators can print
  tools or designs in schools. Artists will have a
  new medium to work with. Healthcare providers can
  quickly create what they need in-house. Parents
  will be able to replace toys or broken household
  items in a matter of hours.
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