3-D PRINTING PRESENTED BYPRESENTED BY BHARAT MISHRABHARAT MISHRA IT DEPARTMENTIT DEPARTMENT ABES-EC,NCRABES-EC,NCR

PRINT A NEW WORLD PRINT A NEW WORLD USING- USING-

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INTRODUCTION -

3D printing or 3D printing or additive manufacturing additive manufacturing is a is a process of making three dimensional solid process of making three dimensional solid objects from a digital file.objects from a digital file.

The creation of a 3D printed object is The creation of a 3D printed object is achieved using additive processes.achieved using additive processes.

In an additive process an object is created In an additive process an object is created by laying down successive layers of by laying down successive layers of material until the entire object is createdmaterial until the entire object is created

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It is a method of converting a virtual 3D It is a method of converting a virtual 3D model into a physical object. model into a physical object.

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HISTORY-

1984- 1984- Charles (chuck) hull developed the Charles (chuck) hull developed the

first 3D-printer and named the technique first 3D-printer and named the technique as STEREO LITHOGRAPHY and obtained a as STEREO LITHOGRAPHY and obtained a patent for the technique in 1986.patent for the technique in 1986.

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1993-1993- MIT used 2D inkjet printing MIT used 2D inkjet printing

technology to 3D printers , named it as 3 technology to 3D printers , named it as 3 Dimensional printing techniques.Dimensional printing techniques.

1995-1995- Z corporation obtained an Z corporation obtained an

exclusive license from MIT and started exclusive license from MIT and started develop 3D printers for general market.develop 3D printers for general market.

2005- 2005- Z corporation launched first high Z corporation launched first high

definition color 3D printer.definition color 3D printer.

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2006 – 2006 – Cornell University introduced the Cornell University introduced the

first open source 3D printer.first open source 3D printer.

2010-2010- URBEE the first prototype car was URBEE the first prototype car was

presented .This is the first car ever to presented .This is the first car ever to have its entire body printed out on a have its entire body printed out on a giant 3D printer .It has three wheel and giant 3D printer .It has three wheel and two seats. two seats.

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BASIC MODEL OF 3D PRINTER-

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SCANNER-

A 3D scanner is a device that analyses a A 3D scanner is a device that analyses a real-world object or environment to real-world object or environment to collect data on its shape and possibly its collect data on its shape and possibly its appearance (e.g. color). The collected appearance (e.g. color). The collected data can then be used to construct digital data can then be used to construct digital three-dimensional models..

TYPES-TYPES-

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GENERAL PRINCIPLES-

MODELINGMODELING

PRINTINGPRINTING

FINISHINGFINISHING

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MODELING-MODELING- Additive manufacturing takes virtual Additive manufacturing takes virtual

blueprints from computer aided design (CAD) or blueprints from computer aided design (CAD) or animation modeling software and ‘slices’ them animation modeling software and ‘slices’ them into digital cross-section for the machine to into digital cross-section for the machine to successively use as a guideline for printing. successively use as a guideline for printing.

PRINTING-PRINTING- It performs a print, the machine It performs a print, the machine

reads the design and lays down successive layers reads the design and lays down successive layers of liquid, powder or sheet material to build the of liquid, powder or sheet material to build the model. model.

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Series of cross section from the CAD model Series of cross section from the CAD model are joined together or automatically fussed to are joined together or automatically fussed to create the final shape. The primary advantage create the final shape. The primary advantage of this technique is its ability to create almost of this technique is its ability to create almost any shape or geometric feature.any shape or geometric feature.

FINISHING-FINISHING- Though the printer-produced Though the printer-produced

resolution is sufficient for many applications, resolution is sufficient for many applications, printing a slightly oversized version of the printing a slightly oversized version of the desired object in which a higher-resolution desired object in which a higher-resolution subtractive process can achieve a higher-subtractive process can achieve a higher-resolution. resolution.

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Methods & Technologies-

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SLS-SLS- An additive manufacturing layer An additive manufacturing layer

technology, SLS involves the use of a high technology, SLS involves the use of a high power power laser (for example, a (for example, a carbon dioxide laser) to fuse small ) to fuse small particles of particles of plastic, metal, ceramic, or , metal, ceramic, or glass powders into a mass that has a glass powders into a mass that has a desired three-dimensional shape. The desired three-dimensional shape. The laser selectively fuses powdered material laser selectively fuses powdered material by scanning cross-sections generated by scanning cross-sections generated from a 3-D digital description of the part from a 3-D digital description of the part (for example from a CAD file or scan data) (for example from a CAD file or scan data) on the surface of a powder bed. After eachon the surface of a powder bed. After each

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cross-section is scanned, the powder bed cross-section is scanned, the powder bed is lowered by one layer thickness, a new is lowered by one layer thickness, a new layer of material is applied on top, and layer of material is applied on top, and the process is repeated until the part is the process is repeated until the part is completed.completed.

VIDEOVIDEO

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SLA-SLA- Stereolithography is an additive Stereolithography is an additive

manufacturing process which employs a manufacturing process which employs a vat of liquid ultraviolet vat of liquid ultraviolet photopolymer photopolymer and an ultraviolet laser to build parts' and an ultraviolet laser to build parts' layers one at a time’. For each layer, the layers one at a time’. For each layer, the laser beam traces a cross-section of the laser beam traces a cross-section of the part pattern on the surface of the liquid part pattern on the surface of the liquid resin. Exposure to the ultraviolet laser resin. Exposure to the ultraviolet laser light cures and solidifies the pattern light cures and solidifies the pattern traced on the resin and joins it to the traced on the resin and joins it to the layer below.layer below.

VIDEOVIDEO

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FDM-FDM- FUSSED DEPOSITING MODELING FUSSED DEPOSITING MODELING

uses a plastic filament or metal wire as uses a plastic filament or metal wire as input material to an extrusion nozzle, theinput material to an extrusion nozzle, the

nozzle is heated to melt the material nozzle is heated to melt the material hardness immediately after extrusion hardness immediately after extrusion from the nozzle. from the nozzle.

VIDEOVIDEO

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ADVANTAGES-

1.1. Ability to customize products.Ability to customize products.

2.2. Rapid production of prototypes.Rapid production of prototypes.

3.3. Low cost of production.Low cost of production.

4. Increased employment opportunities.4. Increased employment opportunities. 5. Quick availability of organs.5. Quick availability of organs.

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DISADVANTAGES-

1.1. Misuse of technology.Misuse of technology.

2.2. Unchecked production of dangerous Unchecked production of dangerous items.items.

3.3. Limitations of size.Limitations of size.

4.4. Limitations of raw material.Limitations of raw material.

5.5. Cost of printers.Cost of printers.

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COST OF 3D PRINTER-

For home use, a basic 3d printer price For home use, a basic 3d printer price starts around $2000. In comparison, an starts around $2000. In comparison, an industrial printer starts at around industrial printer starts at around $3500.000. $3500.000.

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SPACESPACE

FOODFOOD

GAMES &GAMES &ENTERTAINMENTENTERTAINMENT

APPLICATION-

DDPrintingPrinting

FASHIONFASHION

MEDICALMEDICAL

DEFENCEDEFENCE DO ITDO ITYOURSELFYOURSELF

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FOOD-FOOD-

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MEDICAL-MEDICAL-

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An Indian origin researcher,An Indian origin researcher,have created a 3D printed have created a 3D printed bionic ear that can hearbionic ear that can hear radio frequencies forradio frequencies for beyond the range ofbeyond the range of normal human capability. normal human capability.

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FASHION-FASHION-

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DEFENCE -DEFENCE -

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SPACE-SPACE-

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GAMES-GAMES-

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FUTURE SCOPE-

Rocket Engine-Rocket Engine-

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BIO PRINTING-BIO PRINTING-

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PRINT BULDING-PRINT BULDING-

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CONCLUSION-

3D printing is an expanding technology 3D printing is an expanding technology which may soon start an industry in which which may soon start an industry in which everyone has the possibility of being a everyone has the possibility of being a manufacturer.manufacturer.

3D printing has a lot of possible benefits 3D printing has a lot of possible benefits to society, although the products created to society, although the products created must be regulated.must be regulated.

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REFERENCES-

3dprintingindustry.com3dprintingindustry.com

shapeways.comshapeways.com

En.wikipedia.org/wiki/3dprintingEn.wikipedia.org/wiki/3dprinting Gizmodo.comGizmodo.com

Wired.comWired.com

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Any Any

Questions..??Questions..??

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Thank Thank YouYou