Unique binder-based 3D printing technology was developed at MIT.
ExOne uses Binder Jetting technology to 3D print complex parts in industrial-grade materials. Binder Jetting is an additive manufacturing process in which a liquid binding agent is selectively deposited to join powder particles. Layers of material are then bonded to form an object. The printhead strategically drops binder into the powder. The job box lowers and another layer of powder is then spread and binder is added. Over time, the part develops through the layering of powder and binder.
Binder Jetting is capable of printing a variety of materials including metals, sands and ceramics. Some materials, like sand, require no additional processing. Other materials are typically cured and sintered and sometimes infiltrated with another material, depending on the application. Hot isostatic pressing may be employed to achieve high densities in solid metals.
Biography Of Angeliki Cooney | Senior Vice President Life Sciences | Albany, ...
ExOne Direct Material Printing - Binder Jetting Technology
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Direct Material Printing
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• ExOne is a leading additive manufacturing
company dedicated to the manufacturing
sector.
• ExOne is a global supplier of 3D printing
systems and offers design and manufacturing
services of 3D printed products.
• ExOne systems are able to print in a variety of
materials with the largest available build sizes.
• ExOne has Production Service Centers (PSC)
throughout the United States, Europe, and
Japan.
• ExOne Global Headquarters is located in
North Huntingdon, Pennsylvania
Company Overview
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ExOne Global Facility Locations
ExOne
North America
WEST
ExOne
North America
MID-WEST
ExOne
North America
MID-ATLANTIC
ExOne
North America
SOUTH
ExOne
BRAZIL
ExOne GmbH
GERMANY
ExOne
CHINA
ExOne KK
JAPAN
ExOne
ITALY Srl
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Classification Technology Description Materials Developers
Binder Jetting 3D Printing
Ink-Jetting
Creates objects by depositing a
binding agent to join powdered
material
Metal, Polymer,
Ceramic, Other
ExOne (US)
VoxelJet (Germany)
3D Systems (US)
Direct Energy
Deposition
Direct Metal Deposition
Laser Deposition
Laser Consolidation
Electron Beam Direct
Melting
Builds parts by using focused
thermal energy to fuse materials
as they are deposited on a
substrate
Metal: powder
and wire
DM3D (US)
NRC-IMI (Canada)
Irepa Laser (France)
Trumpf (Germany)
Sciaky (US)
Material Extrusion Fused Deposition
Modeling
Creates objects by dispensing
material through a nozzle to
build layers
Polymer Statasys(US)
Delta Micro Factory (China)
3d Systems (US)
Material
Jetting
Polyjet
Ink-jetting
Thermojet
Builds parts by depositing small
droplets of build material, which
are then cured by exposure to
light
Metal,
Photopolymer,
Wax
Stratasys (US)
LUXeXcel (Netherlands)
3D Systems (US)
Powder Bed Fusion Direct Metal Laser
Sintering
Selective Laser Melting
Electron Beam Melting
Selective Laser Sintering
Creates objects by using thermal
energy to fuse regions of a
powder bed.
Metal, Polymer,
Ceramic
EOS (Germany)
Renishaw (UK)
Phenix Sytems (France)
Matsuura (Japan)
ARCAM (Sweden)
3D Systems (US)
Sheet Lamination Ultrasonic Consolidation
Laminated Object
Manufacture
Build parts by trimming sheets
of material and binding them
together in layers.
Hybrids, Metallic,
Ceramic
Fabrasonic (US)
CAM-LEM (US)
VAT
Photopolymerization
Stereolithography
Digital Light Processing
Build parts by using light to
selectively cure layers of
material in a vat of
photopolymer.
Photopolymer,
Ceramic
3d Systems (US)
Envision TEC (Germany)
DWS Sri (Italy)
Lithoz (Austria)
Additive manufacturing processes, adapted from ASTM, 2012
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Binder Jetting Process
Binder jetting
A printhead selectively dispenses binder on a
thin layer of powder. Powder layers can be
spread by a counter-rotating roller from a
supply chamber to the build chamber, or the
powder can be spread by a recoater. After the
part is completed, the build chamber is
removed to a curing oven, after which the part
is depowdered and prepared for sintering or
infiltration.
Advantages
Economics are great. Well suited for large
parts. All kinds of powders can be used.
Support structures are not needed.
Disadvantages
Surface finishes are generally ~400 microinch.
Post-processing such as sintering is necessary
for processing metals, ceramics, and other
materials.
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Binder Jetting Process
Droplet Interaction with Powder
Analogous to inkjet paper printer:
(Binder ≡ Ink Powder Layer ≡ Paper)
Exception: Binder must penetrate to bond
with previous layer
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3DP is Basic Powder Metallurgy
Bonded
Partially Sintered
Infiltrated
Highly Sintered
Powder metallurgy is the
process of blending fine
powdered materials, pressing
them into a desired shape or form
(compacting {printing}), and then
heating the compressed material
in a controlled atmosphere to
bond the material (sintering). The
powder metallurgy process
generally consists of four basic
steps: powder manufacture,
powder blending, compacting,
and sintering. (Wikipedia)
Product Forms
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Advantages of ExOne’s Process
• No extra charge for part complexity
• Offers endless patterns and part geometry
• No support structures needed
• Requires no build plate to begin on
• Easy optimization of traditional
• No tool paths required
• Multiple different parts can be built in a single print bed
• Parts can be modified on the CAD file in seconds, and
reprinted without complicated tooling changes
• Use of industrial graded materials
• Large build envelopes
• High print speed
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Direct Metal PSC (North Huntingdon, PA)
• ISO 9001: 2008 CERTIFIED
• Reverse design engineering (modeling or scanning)
• Prototypes services
• Optimization for additive manufacturing
• Finishing in-house
• Low volume production contract services
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Industries Served
AUTOMOTIVE AEROSPACE
ENERGY HEAVY EQUIPMENT AND
MACHINERY
GENERAL CONSUMER FILTRATION AND MINING
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General Products
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Functional Working Parts
• Print functional working prototypes or production run
quantities for real life applications
• Possible post processes but not limited to the following:
Machine: 420SS - typically has a tensile strength range of 60-
75 ksi conventionally machining may require slower
speed and feed rates
316SS – can be traditionally machined
Finish: Mass finishing with polishing media
Grind, Sand, Polish
Coat: Clear Coating, plating, powder coat, paint
Weld: Silicone Bronze rod and TIG weld
Silver Solder (Harris Products 45N, stay below 700⁰ C)
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Multiple Part Consolidation
• 27 traditional individual components
reduced to a single piece
• Reduction of documentation and time
• Delivered in weeks not months
• On-the-fly changes are possible
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Optimization
Traditionally Manufactured Part
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Part Information
Optimized for 3D Printing – Pass 1 Optimized for 3D Printing – Pass 2
Name: Nacelle Bracket
Application: Aerospace Prototype
Printed Material: 420 Stainless Steel and Bronze
Weight = 7.8 lbs. Weight = 2.8 lbs. Weight = 1.4 lbs.
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Certified Materials (PSC Offerings)
316 Stainless Steel
Infiltrated with Bronze
30 or 60 micron
420 Stainless Steel
Infiltrated with Bronze
30 or 60 micron
Inconel 625
(Highly Sintered)
30 Micron
Iron
Infiltrated with Bronze
30 micron
Bonded Tungsten Soda Lime Glass
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Printable Materials
17-4 316 Inconel 718
Cobalt Chrome Iron Chrome Aluminum Tungsten Carbide
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420 Stainless Steel Infiltrated with Bronze
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316 Stainless Steel Infiltrated with Bronze
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Iron infiltrated with Bronze
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Inconel 625 (Highly Sintered)
AS SINTERED PARTS POST PROCCESSED
* Engine Turbine Blade used
for demonstration piece only *
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Surface Finishes
Line of Sight Operation
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Available Finishes
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32. Consult with our Experts. Invest in an ExOne system or simply have ExOne manufacture a part for you.
ExOne The Americas
MID-ATLANTIC
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USA
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Japan 256-0804
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exone.com +1 877 773 9663
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+1 702 487 3977
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+1 253 394 0357