3D打印陶瓷材料

Dr.

Johannes

Homa1Copyright2013

LITHOZGmbHDr.

Johannes

HomaEinfügen

Kundenlogo1Copyright2013

LITHOZGmbHIndex3Copyright3

LITHOZGmbHAbout

LithozNeeds

of

ceramic

industryLCM-TechnologyApplicationsNew

opportunities

for

CIMProductsCase

Study

heartpumpConclusionWelcome

to

Lithoz4Copyright4

LITHOZGmbHLithoz

is

the

system

provider

for

additive

manufacturinof

high-performance

ceramics5Copyright5

LITHOZGmbHonly

commercially

available

AMT

for

dense

and

preciseceramic

partsSale

of

machine

and

materialCustomized

solutionsDevelopment

competency

for

the

whole

process

chainAbout

UsCompany

OverviewfSpin-off

of

the

Vienna

University

oTechnologyPatented

LCM-Technology13

employeesNumerous

awardsSt.Stephen’sCathedralin

Vienna6Copyright6

LITHOZGmbHCeramic

Industry7Copyright7

LITHOZGmbHCeramic

industryNeedsFast

and

inexpensive

production

method

for

single

parts

and

small

scaleseriesIndividual

high-performance

ceramicparts

without

geometrical

limitationswith

the

same

properties

asconventional

ceramic

formingtechniques8Copyright8

LITHOZGmbHLCM-Technology9Copyright9

LITHOZGmbHLithography-based

Ceramic

Manufacturing=

a

patented

3D-Printing

technique

for

ceramic

materialLCM-TechnologyHigh

precisionGood

tolerance

and

reproducibilityHigh

density

(>

99,4

%

T.D.)with

same

material

properties

as

conventionalforming

methods10Copyright10

LITHOZGmbHProcessGrünlingPost-ProcessingFertige

BauteileCAD-Zeichnung11Copyright11

LITHOZGmbHPhotopolymerisationMonomerCeramic

particleSlurryGreenbody12Copyright12

LITHOZGmbHPhotopolymerisationAcrylateMethacrylateMechanismTypicalMonomers13Copyright13

LITHOZGmbHLCM-Technology14Copyright14

LITHOZGmbHVideo

LCM-Technology15Copyright15

LITHOZGmbHafterfabricationafterdebindingaftersinteringphotopolymerceramic

particles(up

to

60

vol

%)dense

part(>99,4

%

T.D.)Postprocessingtemperaturetime16Copyright16

LITHOZGmbHLCM-TechnologyBuilding

platform

before

cleaning17Copyright17

LITHOZGmbHLCM-TechnologyBuilding

platform

after

cleaning18Copyright18

LITHOZGmbHApplications19Copyright19

LITHOZGmbHAdditive

Manufacturing

for

high

performance

ceramicsPrototypes.

Small

scale

series.

Higly

complex.Inexpensive

and

fast

production

directly

from

CAD-DataNo

changing

or

setup

costsGeometrical

complexity

is

not

limitedNo

product

specific

moulds

necessaryEasy

changeof

geometryFully

functional

parts20Copyright20

LITHOZGmbHApplicationsApplications21Copyright21

LITHOZGmbHApplicationsLot

size

1Exceptional

surface

qualityNo

tooling

costsArbitrary

geometrical

variationsNo

costs

for

design

changesDirect

production

from

CAD-dataPrototypes22Copyright22

LITHOZGmbHApplicationsSmall

scale

seriesLow

costs

up

to

several

hundred

partsSimultaneous

production

without

the

needfor

toolsNo

setup

costsSimple

variations

of

the

part

geometryHigh

quality

and

functionality23Copyright23

LITHOZGmbHApplicationsHighly

complex

partsNo

geometrical

limitationsManufacturability

of

defined

cellularstructuresThin-walled

structuresImplementation

of

undercuts

andcavitiesNo

demoldingFully

functional

part24Copyright24

LITHOZGmbHCellular

StructuresDefined

open

cellVariation

of

the

unit

cellStrut

thickness<200μmAdvantages:25Copyright25

LITHOZGmbHApplications:

biomedical

applications,

catalysts,

light

weight

structuresSamples26Copyright26

LITHOZGmbHNew

opportunities

for

the

Cimindustry27Copyright27

LITHOZGmbHAdvantagesAdditive

ManufacturingNumber

of

partsInjection

mouldingt

per

pieceAMTs

more

economicalInjection

moulding

moreeconomicalDesign

developmentPrototypesSmall

scale

seriesPotential:Production

withbatch

size

128Copyright28

LITHOZGmbHCase

Study29Copyright29

LITHOZGmbHCase

Study

Heartpump30Copyright30

LITHOZGmbHHeartpumpPatients

with

cardiac

infarctionTemporary

support

of

the

heart

after

an

operationPlacement

via

the

leg

arteria

into

the

aortaCombined

with

intraaortal

balloonpumpMutual

energy

supply:

HeliumgasHermetical

decoupling

of

turbine

and

pumpMaterial:

AluminaGoal:

Doubling

of

the

heart

capacityideal

blood

supply

of

the

coronary

vesselSource:

TU

Wien31Copyright31

LITHOZGmbHHeartpumpSource:

ViennaUniversityof

Technologypumpbloodheliumturbinerotormagneticclutchblade

wheelguidewheelPerformance

dataDiameter5

mmLengh45

mmRotational

speed

turbineup

to420000rpmRotational

speed

pumpup

to

52000

rpmFlow

rate

pump2,5

l/min32Copyright32

LITHOZGmbHHeartpump33Copyright33

LITHOZGmbHHeartpumpContact:Ao.Prof.

Dr.

Margit

Gf?hlerSource:

TU

WienThe

heartpump

is

running

on

trial

on

a

scale

of

2:1Until

now

more

than

10

design

variations

exist34Copyright34

LITHOZGmbHProducts35Copyright35

LITHOZGmbHCeraFab

750036Copyright36

LITHOZGmbHCeraFab

7500Technical

propertiesLateral

resolution40

μm

(635

dpi)Number

of

pixel

(X,

Y)1920

x

1080Building

envelope

(X,

Y,

Z)76mm

x

43

mm

x150

mmData

format.stl

(binary)Slice

thickness25

–

100

μmBuilding

velocityUp

to

100

slices

per

hour,2.5

–

10

mm

per

hourLight

sourceLED37Copyright37

LITHOZGmbHPlug

&

play

network

printerMaterialsLithaBone

TCP

200

(Ca3(PO4)2)Customized

materials

are

available

upon

requestLithaCon

3Y

610

Purple

(ZrO2)Material3

Mol%

stabilisiertes

ZrO24P-Biegefestigkeit650

MPaWeibullmodul>

6,01

g/cm3

(99,1

%

T.D.)Oberfl?chenrauheit

(Ra)~

0.6

μmLithaCon

3Y

610

Purple

(ZrO2)Material3

mol%

stabilized

zirconia4P-bending-strength650

MPaDensity>

6.01

g/cm3

(99,1

%

T.D.)Surface

roughness

(Ra)~

0.6

μmLithaLox

HP

500

(Al2O3)MaterialHigh-purity

alumina4P-bending-strength430

MPaDensity>

3.96

g/cm3

(99,4

%

T.D.)Surface

roughness

(Ra)~

0.4

μmStandard

materials38Copyright38

LITHOZGmbHFractographySEM-images

of

Al2O3-fractured

surface39Copyright39

LITHOZGmbHFractographySEM-images

of

ZrO2-fractured

surface40Copyright40

LITHOZGmbHSchliffbilder

von

Al2O3

(links)

und

ZrO2

(rechts)MicrographyAl

O2

3ZrO241Copyright41

LITHOZGmbHAdvantages

at

a

glance42Copyright42

LITHOZGmbHConclusionManufacturability

of

defined

cellular

structuresThin-walled

structures

(wall

thickness

below