Darmstadt_tcm1023-230645

JT IN 3D PRINTING TECHNISCHE UNIVERSITT DARMSTADT

ALEXANDER CHRIST, MARCO GRIMM, REINER ANDERL

SEPTEMBER 19TH, 2014

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Content

September 19th, 2014 | Technische Universitt Darmstadt | Department of Computer Integrated Design | Alexander Christ

1 Introduction

2 Additive Manufacturing

3 3D Printing

4 Integration of JT in 3D Printing

5 Conclusion

3 3D Printing


5 Conclusion


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Technische Universitt Darmstadt Department of Computer Integrated Design


26.000 Students 300 Professors 13 Faculties 460 Mio. Budget

3.500 Students 27 Departments 700 Employees

Department: DiK Head of DiK: Prof. Dr.-Ing. Reiner Anderl Founded: 1993 Assistants: 20 Research volume: 2,2 Mio.

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Preliminary Notes


3D printers will create new markets and new business models. Companies need to consider how they want to respond. - Wolfgang Dorst, BITKOM e.V.

It will be bigger than the web. - Chris Anderson, former EIC Wired magazine

3D printers will soon change the world. - Forbes.com

Fraunhofer IPK

Alphaform

10 Billion US-$ market potential in 2021 - Wohlers Associates

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Content


1 Introduction


3 3D Printing


5 Conclusion

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Additive Manufacturing


Design principle

CAD model

Building process

VDI 3404

Slicing process

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Classification of Additive Manufacturing Processes


Additive Manufacturing Processes

Solid Liquid

Wire Foil Powder/Granulate Liquid bath Initi

al s

tate

Melting and solidification

Heating nozzle/ Extruder

Melting and solidification Laser beam

Cutting out and joining

Laser beam or blade

Photopolymerisation

Laser beam

Bonding with binders

Binder nozzle

Tech

nolo

gy

Fused Layer Modeling (FLM)

Stereolithography (SL)

Selective Laser Sintering (SLS)

3D - Printing (3DP)

Layer Laminated Manufacturing (LLM)

Selective Laser Melting (SLM)

Pro

cedu

re

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Comparison of Additive Manufacturing Processes


Mat

eria

l co

sts

Acc

urac

y M

inim

al w

all

thic

knes

s

0

0.2

0.4mm

0,15 mm 0,1 mm

0,05 mm 0,1 mm

0,25 mm

0,15 mm

0

2

4mm

0,2 mm

0,45 mm 0,1 mm 0,1 mm

2 mm

0,05 mm

Stereolitho-graphy (SL)

3D - Printing (3DP)

Layer Laminated Manufacturing (LLM)

Fused Layer Modeling (FLM)

Selective Laser Sintering (SLS)

Selective Laser Melting (SLM)

Stra

tasy

s

3DS

yste

ms

EOS

3DSystems

Helisys

3DS

yste

ms

0

1

2/cm

0,32 /cm (300 /kg)

0,75 /cm (75 /kg) 0,20 /cm

(70 /kg) 0,23 /cm (200 /kg)

1,09 /cm (155 /kg)

k. A. (15 /kg)

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Content


1 Introduction


3 3D Printing


5 Conclusion

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3D Printing Process Principle


Heated nozzle

Support structure

Component (solidified thermoplastic)

Material supply

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3D Printing Process


Creation of 3D CAD model

Triangulation of 3D model

Slicing and tool path

generation

3D printing of physical model

Cleaning and finishing

CAD native, STEP, IGES, STL Tolerance values

STL, AMF Layer thickness

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Data Formats


Surface Tesselation Language (STL) De facto standard 3D surface approximation

through triangular facets ASCII or binary data representation Supported by most CAD systems

Additive Manufacturing File Format (AMF) ISO/ASTM 52915:2013 XML structure Extends STL capabilities for

multi-material generative manufacturing Support of color, materials and constellations

STL model Tolerance: 0,01 mm File size: 156 kb Triangles: 3.182

3D CAD model

Schtzer

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Content


1 Introduction


3 3D Printing


5 Conclusion

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Integration of JT in 3D Printing



Triangulation of 3D model


generation

3D printing of physical model

Cleaning and finishing



generation 3D printing of

physical model Cleaning and

finishing Creation of JT model

JT to STL conversion

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3D Printing Process








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3D Printing Process








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3D Printing Process








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3D Printing Process








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3D Printing Process








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3D Printing Process








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3D Printing Process








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3D Printing Process








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What are the benefits of using JT in 3D Printing?








Different geometry representations LOD B-Rep ULP

Integration of meta data One standardized data format for all

downstream processes

Manufacturing

Simulation

Supplier Collaboration

Creation of JT model

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Content


1 Introduction


3 3D Printing


5 Conclusion

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Future Research Issues

Development of a JT based 3D Printing Process without STL conversion

Deployment of JT based 3D printing process on commercial 3D printer

Implementation in a manufacturing environment








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3D Printing

Conclusion Efficient manufacturing of complex structures Rapid manufacturing of parts Reduction of set-up effort

Lightweight components (material savings) Individualized products at the cost of mass production Outlook Integration of adaptronic systems Combination with modern internet technologies Distributed Additive Manufacturing Change in enterprise networks


Max

Kan

dler

/ Fr

aunh

ofer

IPA

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Thank you for your attention


JT in 3D PrintingContentTechnische Universitt DarmstadtDepartment of Computer Integrated DesignPreliminary NotesContentAdditive ManufacturingClassification ofAdditive Manufacturing ProcessesComparison ofAdditive Manufacturing ProcessesContent3D Printing Process Principle3D Printing ProcessData FormatsContentIntegration of JT in 3D Printing3D Printing Process3D Printing Process3D Printing Process3D Printing Process3D Printing Process3D Printing Process3D Printing Process3D Printing ProcessWhat are the benefits of using JT in 3D Printing?ContentFuture Research Issues3D PrintingThank you for your attention

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