PPT of "3D printing"

1. PRESENTED BY
B.VINEETHA
3-D PRINTING

2. Outline
Introduction.
History.
What is 3-d printing??
The basic idea.
How it work??
Different method of 3-d Printing.
Print head.
Advantages.
Conclusion.
References.

3. Introduction
3D printing is a modern technology in which 3
dimensional objects are printed from digital data.
Three dimensional object is created by laying down
successive layers of material.

4. History
The technology for printing physical 3D objects from
digital data was first developed by Chuck Hull in 1984.
He named the technique as Stereo lithography and
obtained a patent for the technique in 1986.

5. What Is 3D Printing?
3D printing is a form of additive manufacturing in which
components are fabricated in an additive fashion by
adding successive layers of material together.
It is also known as:
 Rapid prototyping.
 Additive manufacturing.

6. The Basic Idea
If you can slice an object.
You can glue the slices back
together.
3D printing builds 3D objects
layer by layer.
100-200 layers per inch.
And it is slow--a Lego block can
take an hour to make.
But it’s getting better—rapidly!

7. General Principles
Modeling.
Printing.
Finishing.

8. How 3D Printing Work

9. Different Methods
• Stereo lithography.
• Selective laser sintering (SLS).
• Fused deposition modeling (FDM).
• Ink-Jet 3D printing.

10. Print Head
Industrial inkjet printing essentially means using inkjet
technology as a printing or deposition process in
manufacturing or on production lines.
There are 2-types of print head for the generation of
liquid drops.
Drop-On-Demand (DOD)
Continuous-Jet (CJ)

11. Drop-On-Demand (DOD)
Drop on Demand (DOD) is a broad classification of inkjet
printing technology where drops are ejected from the print
head only when required.
The drops are formed by the creation of a pressure pulse
within the print head.

12. Continuous-Jet (CJ)
A pump directs fluid from a reservoir to one or more
small nozzles, which eject a continuous stream of drops at
high frequency (in the range of roughly 50 kHz to 175
kHz) using a vibrating piezoelectric crystal.

13. Advantages
Print movable parts.
Print items in remote locations.
Ability to send items over internet and print out at home.
Plastic used is strong.

14. Artificial Arms for Disabled
Richard Van As, a South
African carpenter,
assembles a Robohand and
fits it to Liam Dippenaar.
Liam was born without
fingers on his right hand.
Makerbot provided them
with the 3D printing
technology that they used
to print the parts for the
Robohand.

15. Bionic ear
Scientists, including an
Indian-origin researcher, have
created a 3D-printed bionic
ear that can "hear" radio
frequencies far beyond the
range of normal human
capability. Using off-the-shelf
printing tools, the scientists at
Princeton University explored
3D printing of cells and nano
particles, creating the bionic
ear.

16. Grow Your Own Organs
Surgeon Dr. Anthony Atala
demonstrated during TED
an early-stage experiment
that could someday solve
the organ-donor problem: a
3D printer that uses living
cells to print out a
transplantable kidney

17. Conclusion
Nothing communicates ideas faster than a three-
dimensional part or model. With a 3D printer you
can bring CAD files and design ideas to life – right
from your desktop. Test form, fit and function – and
as many design variations as you like – with
functional parts.

18. References
 [1]Wikihow available at:
https://m.wikihow.com
 [2] Lisa Harouni 3D printing entrepreneur available
at:https://www.ted.com/talks/lisa_harouni_a_primer_on_3d_printing
 [3] Avi Reichental what next in 3d printing available at:
https://www.ted.com/talks/avi_reichental_what_s_next_in_3d_printing
 [4] Bastian Schaefer a 3d printed jumbo jet available at:
http://www.ted.com/talks/bastian_schaefer_a_3d_printed_jumbo_jet?language=en
 [5]Anthony atala printing a human kidney available at:
https://www.ted.com/talks/anthony_atala_printing_a_human_kidney

20. Questions..??