Parts in 1 to 3 days
High-Quality
Multi Jet Fusion
Parts
- Speed
- Watertight applications
- Isotropic Mechanical Properties
Table of Contents
What is Multi Jet Fusion?
HP Multi Jet Fusion printer is an industrial additive manufacturing process using powdered thermoplastic, a liquid agent, and infrared energy to fuse parts precisely. When the operation finishes, the AM Technician cleans excess powder off the parts, and then the parts are ready for use or a higher level of finish.
This technology can create functional nylon prototypes and end-use parts. A few ideal applications are brackets, connectors, hinges, housings, and thin-wall ductwork. Multi Jet Fusion is also great for producing accurate parts in higher volumes.
How Does Multi jet Fusion Work?
An AM Technician uploads your CAD file into the machine, and the software breaks it down layer by layer. Then the device using an inkjet array, applies a fusing and detailing agent across a nylon powder bed, which becomes fused by heating elements. When the laser finishes, a roller rolls a new layer of powder onto the powder bed, and the process repeats until the parts are complete.
When the build finishes, the whole powder bed is removed and taken to a breakout station where AM Technicians remove the parts from the powder and brush the excess powder off. Then the components are placed into a container and blasted with a blasting medium to remove the remaining powder. After this step is complete, the parts get delivered to the finishing department.
Note: HP Multi Jet Fusion printer does not need support structures because the part is suspended in powder.
Ideal Applications For Multi Jet Fusion
Since Multi Jet Fusion’s materials, Nylon 12 is chemical resistant (alkalies, aliphatic hydrocarbons, greases, and oils), biocompatible, and Nylon 12 with glass has high strength, it can be used for a range of applications.
Functional Prototyping
Low-Volume Production Runs
End-Use Parts
Complex Geometries
Biocompatible Components
Enclosures
Housings
Watertight Parts
Multi Jet Fusion at Midwest Prototyping
OEM:
HP
Max Build Area:
14.96 x 11.18 x 14.96 in
Lead Time:
1 – 3 Days
Material:
Nylon 12 and Nylon 12 GB
Tolerances:
± .005 in for the first inch and ± .002 in for each additional inch
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Multi Jet Fusion materials at Midwest Prototyping
Material
Description
Key Characteristics
More Information
Nylon 12 is a sturdy thermoplastic with exceptional physical properties.
- Chemical Resistant
- Good for Snap Fits
- Heat Resistant
- High Strength
- Impact Resistant
- Rigid
- UV Stability
- Biocompatible*
Nylon 12GB is a sturdy thermoplastic that’s 40% filled with glass beads, providing exceptional stability and high reusability.
- Heat Resistant
- Rigid
- UV Stability
- High Resolution/High Detail
- High Strength
- Grey
*Special processing may be required. Please notify us of any biocompatibility needs.
Compare Materials
Designing parts for Multi Jet Fusion at Midwest Prototyping
HP Multi Jet Fusion printer is a powder-bed-based technology. It does not require supports, allowing more design freedom for designers and engineers. The powder is the ‘support’ when designs need complex geometries, interlocking parts, and overhangs. Material Jet Fusion also allows components to be tightly arranged together to optimize the productivity and speed of the build. The materials we offer have been proven and tested and are high-quality thermoplastics with mechanical properties similar to injection-molded parts with 100% density.
Feature
Measurement
Supported Walls
.02 in
Unsupported Walls
Supports not required
Supports & Overhangs
Supports not required
Embossing & Engraving
Width: .04 in, Height/Depth: .04 in
Horizontal Spans
Supports not required
Holes & Openings
.02 in
Connecting & Moving Parts
Moving: .012 in, Connecting: .006 in
Escape Holes
.04 in
Minimum Features
.03 in
Pin Diameter
.03 in
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Multi Jet Fusion finishing levels at Midwest Prototyping
Process
Description
Natural
Matte, grey finish.
Standard
Matte finish dyed black.
Tumbled
The surface is smoothed with a media for an eggshell finish.
Smoothed & Sealed
Bead-blasted and vapor smoothed for a sealed, satin watertight finish.
Smoothed, Sealed, & Dyed
Vapor-sealed and dyed black for a satin, watertight finish.
Primed Exterior
Exterior (cosmetic) surfaces are smoothed and coated in grey primer.
Painted
Parts are smoothed, primed, and painted (provide drawing with paint specifications).
Custom
Custom finish. Let us know if your project requires special finishing. Please fill out our engineer-assisted quote form.
Design Tips and Tricks
Enclosures
Enclosures are commonly found protecting electrical components. They can also be found in automotive and consumer products, from deli one-time-use clamshells to storage cases for earbuds. Enclosures make moving products easier. They can contain multiple components in one space, so your customers won’t lose anything.
Producing Legacy Parts for a 1967 Sunbeam
Finding solutions to replace rare parts in a 1967 Sunbeam with additive manufacturing, specifically Multi Jet Fusion.
UW Platteville Baja SAE Team
UW Platteville competes in the SAE Baja competition annually utilizing Laser Sintering and Multi Jet Fusion in their designs.
