metal printing compared for you

10
EBM V S LBM © frauenhofer

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Page 1: Metal printing compared for you

EBMVSLBM

© frauenhofer

Page 3: Metal printing compared for you

Process similaritiesSIMILARITIES

BOTH A POWDER BED TECHNOLOGY

LAYER BY LAYER, SELECTIVELY MELTED POWDER

RESULTS IN, CLOSE TO, 100% DENSE COMPONENTS

© llnl.gov

Page 4: Metal printing compared for you

DIFFERENCES

USES AN ELECTRON BEAM

WORKS IN BUILDING CHAMBER OF APPROX 700°c

REST POWDER IS A PRE-SINTERED CAKE

EBM:

WORKS IN VACUUM BUILDING ATMOSPHERE

FEW SUPPORT STRUCTURES ARE NEEDED

© arcam

Page 5: Metal printing compared for you

DIFFERENCES

USES A LASER BEAM

WORKS WITH A HEATED PLATFORM UP TO 200°c

REST POWDER REMAINS LOOSE POWDER

LBM:

TYPICALLY ARGON CHARGED BUILDING ATMOSPHERE

MORE SUPPORT STRUCTURES ARE NEEDED

© siemens

Page 6: Metal printing compared for you

IN APPLICATION

SURFACE QUALITY LBM > EBM

DETAILS QUALITY LBM > EBM

SPEED OF BUILDING EBM > LBM

LOWER t IN LBM MAKES STRESS RELIEF NECESSARY

COMPLEX INTERAL CHANNELS LBM > EBM

AVAILABLE MATERIALS LBM > EBM

© sirris

Page 7: Metal printing compared for you

The numbersIN NUMBERSLBM EBM

Size building chamber (mm)

typical 250 x 250 x 350 Ø 210 x 350

up to 500 x 280 x 325 Ø 350 x 380

Layer thickness (µm) 30 to 90 50 to 90

Min wall thickness (mm) 0.2 0.6

Accuracy (mm) +/- 0.1 +/- 0.3

Build rate (cm³/h) 5 - 20 80

Surface roughness (µm) 5 - 15 20 - 30

© fluentu

Disclaimer: above values are indicative; for specific cases, contact us to explore the possibilities together

Page 8: Metal printing compared for you

MACHINE SUPPLIERS

EBM:

ARCAM – PATENT HOLDER

LBM:

CONCEPT LASER - DE

EOS - DE

RENISHAW - UK

SLM SOLUTIONS - DE

3D SYSTEMS - US

And More…© k-y jelly