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Introduction / History of this field
How it works
Benefits Applications
Success stories
Future of technology / Conclusions
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Generally we are aware of printing of 2Dbut here also the depth of the object isadded in 3D.
Its a one rapid prototyping technology. It creates physical models from CAD & other
digital data layer by layer.
It is widely used, especially in product
designing. It reduces a lot of time & also cost.
It a developing technology.
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Prototyping is a cycle that producers ordesigning team make model for end usersto test, evaluate, or debug & get feedbacks
then revise or redesign at the pre-production time.
CAD is computer program called
Computer Aided Design which createsthe 3D image or its digital data for the 3Dprinter.
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3D printer which can print metal blocks
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3D printing technology was found byCharles W. Hull.
He made his successful efforts in this
direction form 1984. For that he also foundcompany named 3D System.
Another method for this technology was
found by Americas Mesechuset Institute ofTechnology.
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In Charles Hulls technology he wasdesigning the objects layout in the CADprogram.
That is fed in the computer which gives therequired information to the 3D printer.
In printer there is a nozzle like in the inkjet
printer which pushes out the powder inside itwhich can be a polymer plastic, Ceramicmaterial, cellulose or metallic powder.
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That powder is spread on the platformwhich can move in up-down & right-left
direction. Tuning of the nozzle & platform creates a
perfect layer then platform goes slight downso that another layer's creation takes place.
With the passage of time the original objecttakes place on the platform.
The high beam of ultraviolet rays gives the
toughness & the join to the layers. After all this process the required object is
ready on the platform.
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Now we will look after the method found byAmericas Mesechuset Institute of
Technology. In this type of printing they use a roller tospread the powder of material on theboard.
The inkjet nozzle sprays the adhesivematerial on the place according to thebody of the object.
The powder which comes in contact with
adhesive stitches with the lower layer & theremaining powder is removed which can befurther used. The object takes place thisway.
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Here the figuresshown, displays the
method of printing
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Lower cost of prototyping Allow more designs & models to choose
from
Also helps to find the defects in object atthe earlier stage so we can make moreefficient designs
Decrease the length of the typing process
3D printers are small in size & affordable You can create complicated objects any
time & any where in emergency
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Previous prototyping machines often requiretheir own department & operators. While 3D
printers can easily fit at workstation. Very fast in process than big prototyping
machines
Some 3D printer created objects
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In marketing
Packaging
Make product prototypes
Learning resources
Make complicated object in emergencywhere they are not available.
Make practice or earlier stage models Make building design & topographical
maps
Making medicines
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A small portable 3D printer
attached with computer
Some of creation of 3D printer
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Some times ago the scientists of NASA needto make 50 plastic boxes for internationalspace station in the space. They were of
different sizes because they were forkeeping different equipments. They used 3Dprinter to make them. They fed their virtualimage in the computer & printer give them
their required boxes. It was time saving andmuch more easier for them then to makethem using machines. Now at this time thoseboxes are in space station.
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American navy's each ship in the sea is alsoa huge airport lying in the sea. They need
many time some complicated part atcenter of sea for engines or air-conditionersor compressors or for other machines. Itscosts high to import that part from their
nation or nearest place via sea or air. Soeach ship contains two or more 3D printer.Using that they can have temporarily thatmissing part.
The company Boing from same country hasmade fighter planes named F-18 Hornetwhich contains light weight 100 part madefrom nylon.
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They used 3D printer to make those parts ofnylon. They can produce those parts in shortof time & also very cheaply.
Twins sister Quiej-Alvarez were born joined atthe heads. The veins draining the blood,were interwoven & fed into each others
circulation system. So to give them boththeir separate body very complex operationwas needed to be performed. The mostcomplex part of the operation was to sort
out veins & reroute the twins blood supply.Because the veins were intersecting in eachothers system, tracking them using two-dimensional X-ray it was impossible.
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At that very crucial time they took 3D X-ray& using 3D printer they made the 3D object
same as their joined heads. That guidedthem very much to learn their joined system.
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In future there will be 3D printers which canprint bullets of guns & there will be no needto supply ammunition on the border .The
soldiers reserved for this work will print bulletsthere.
A light bulb? A mother board? or an ipod ofnth generation? Go online, pay for the filerequired, download it & produce yourself.
No packaging, no shipping, no assemblylines needed.
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The printers will be also found which willmake the objects which are combined of
different material with different colors.
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Nothing communicates design ideas fasterthan a three-dimensional part or model.
With 3D printer you can bring CAD files and
design to life-right from your desktop
Test from, fit & function - and as manydesigns as you likewith functional parts
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Articles:The object of 3D printing-from advertising and marketing review
Printers produce copies in 3Dfrom BBC NEWS
Gadget Printers promises industrial revolution-from NewScientist.com
Major 3D printer companies:
Z corporation3D system
Xpress 3D
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Prepared by,Raj Hakani 07EC021
Shital Gandhi 07EC019
Under Guidance of
S S Plsure Sir