D打印陶瓷材料.pptx

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1、0Copyright 2013 LITHOZ GmbHAdditive manufacturing of high-performance ceramics.Dr.Johannes HomaDr.Johannes Homa1Copyright 2013 LITHOZ GmbHAdditive manufacturing of high-performance ceramics.Dr.Johannes HomaDr.Johannes HomaEinfgen Kundenlogo2Copyright 2013 LITHOZ GmbHIndexAbout LithozNeeds of ceramic

2、 industryLCM-TechnologyApplicationsNew opportunities for CIMProductsCase Study heartpumpConclusion3Copyright 2013 LITHOZ GmbHWELCOME TO LITHOZ 4Copyright 2013 LITHOZ GmbHLithoz is the system provider for additive Lithoz is the system provider for additive manufacturing of high-performance ceramicsma

3、nufacturing of high-performance ceramicsonly commercially available AMT for dense and precise ceramic parts Sale of machine and materialCustomized solutionsDevelopment competency for the whole process chain About Us5Copyright 2013 LITHOZ GmbHCompany OverviewSpin-off of the Vienna University of Techn

4、ologyPatented LCM-Technology 13 employeesNumerous awardsSt.Stephens Cathedral in Vienna6Copyright 2013 LITHOZ GmbHCERAMIC INDUSTRY7Copyright 2013 LITHOZ GmbHCeramic industryFast and inexpensive production method for single parts and small scale seriesIndividual high-performance ceramic parts without

5、 geometrical limitationswith the same properties as conventional ceramic forming techniques Needs8Copyright 2013 LITHOZ GmbHLCM-TECHNOLOGY9Copyright 2013 LITHOZ GmbHLithography-based Ceramic Manufacturing=a patented 3D-Printing technique for ceramic materialLCM-TechnologyHigh precision Good toleranc

6、e and reproducibilityHigh density(99,4%T.D.)with same material properties as conventional forming methods10Copyright 2013 LITHOZ GmbHProcessGrnlingPost-ProcessingFertige BauteileCAD-Zeichnung11Copyright 2013 LITHOZ GmbHPhotopolymerisationMonomerCeramic particleSlurryGreenbody12Copyright 2013 LITHOZ

7、GmbHPhotopolymerisationAcrylateMethacrylate MechanismTypicalMonomers13Copyright 2013 LITHOZ GmbHLCM-TechnologyBuilding-platformrWiper bladeVATLight-Engine14Copyright 2013 LITHOZ GmbHVideo LCM-Technology15Copyright 2013 LITHOZ GmbHafter fabricationafterafterdebindingdebindingafteraftersinteringsinter

8、ingphotopolymerceramic particles(up to 60 vol%)dense part(99,4%T.D.)Postprocessingtemperaturetemperaturetimetime16Copyright 2013 LITHOZ GmbHLCM-TechnologyBuilding platform before cleaning17Copyright 2013 LITHOZ GmbHLCM-TechnologyBuilding platform after cleaning18Copyright 2013 LITHOZ GmbHAPPLICATION

9、S19Copyright 2013 LITHOZ GmbHAdditive Manufacturing for high performance ceramicsAdditive Manufacturing for high performance ceramicsPrototypes.Small scale series.Higly complex.ApplicationsInexpensive and fast production directly from CAD-DataNo changing or setup costsGeometrical complexity is not l

10、imitedNo product specific moulds necessaryEasy change of geometry Fully functional parts20Copyright 2013 LITHOZ GmbHApplications21Copyright 2013 LITHOZ GmbHApplicationsLot size 1Exceptional surface qualityNo tooling costsArbitrary geometrical variationsNo costs for design changesDirect production fr

11、om CAD-data Prototypes22Copyright 2013 LITHOZ GmbHApplications Small scale seriesLow costs up to several hundred partsSimultaneous production without the need for toolsNo setup costsSimple variations of the part geometryHigh quality and functionality23Copyright 2013 LITHOZ GmbHApplicationsHighly com

12、plex partsNo geometrical limitations Manufacturability of defined cellular structures Thin-walled structures Implementation of undercuts and cavities No demolding Fully functional part24Copyright 2013 LITHOZ GmbHCellular StructuresDefined open cellVariation of the unit cellStrut thickness 6,01 g/cm(

13、99,1%T.D.)Oberflchenrauheit(Ra)0.6 mLithaLox HP 500(AlLithaLox HP 500(Al2 2O O3 3)MaterialHigh-purity alumina4P-bending-strength430 MPaDensity 3.96 g/cm(99,4%T.D.)Surface roughness(Ra)0.4 mLithaCon 3Y 610 Purple(ZrOLithaCon 3Y 610 Purple(ZrO2 2)Material3 mol%stabilized zirconia4P-bending-strength650

14、 MPaDensity 6.01 g/cm(99,1%T.D.)Surface roughness(Ra)0.6 mStandard materials38Copyright 2013 LITHOZ GmbHFractography SEM-images of Al2O3-fractured surface39Copyright 2013 LITHOZ GmbHFractography SEM-images of ZrO2-fractured surface40Copyright 2013 LITHOZ GmbHSchliffbilder von Al2O3(links)und ZrO2(re

15、chts)Micrography Al2O3 ZrO241Copyright 2013 LITHOZ GmbHADVANTAGES AT A GLANCE42Copyright 2013 LITHOZ GmbHConclusionCurrently the only commercially available AMT for dense and precise ceramic partsMaterial properties as in serial productionNew opportunities in terms of design and functionalityManufac

16、turability of defined cellular structuresThin-walled structures(wall thickness below 150 m)Implementation of undercuts and cavities Advantages at a glance:43Copyright 2013 LITHOZ GmbHConclusionHigh precision(Minimum feature size:99,4%T.D.)High strength(430 MPa for Al2O3)Time and cost efficientNo tooling costsNo changing costsFast production Advantages at a glance:44Copyright 2013 LITHOZ GmbHLithoz GmbHDr.Johannes HomaTel:+43(0)650 4662 Manufacture the future.45Copyright 2012 LITHOZ GmbH