Multi Jet Fusion (MJF)

With high durability and superior surface finish, HP's Multi Jet Fusion is an ideal technology for functional prototyping and production applications

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[Image: HP MJF 4200 Printer]


Developed by HP, the MJF process utilizes a heated bed of nylon powder to print parts ready for end-use and production applications. Instead of using a laser, MJF uses print heads to precisely jet a fusing agent on to the powder bed. This agent captures the heat as lamps pass over the powder bed to provide the fusing energy, precisely melting the powder. Printing with fine 80 micron layers results in parts with higher resolution and more uniform strength.

Multi Jet Fusion produces functional production components, eliminating the need for tooling and the investments of time and capital that go along with it. This leads to economic savings and quick turnaround as parts can be ordered with short lead times and with no penalty for design changes.


MJF Build Specs

With a build envelope of over 2400 cubic inches, HP's MJF 4200 offers plenty of room for a variety projects, including the ability to print nested parts in a single build

X dimension: 15" (380 mm)

Y dimension: 11.2" (284 mm)

Z dimension: 15" (380 mm)

Layer Thickness: 80 microns

 HP Multi Jet Fusion 4200 Printer - Build Envelope



MJF Materials

HP's MJF printer uses Polyamide 12 (HP 3D PA 12), a strong and robust material. Very versatile, this nylon thermoplastic can withstand every day, end-use applications in a variety of industries. It can also be machined after printing for inserts and drilling, as well being designed for living hinges. With strong chemical resistance and optimized for post-processing finishing options, MJF parts are a great solution for both functional prototyping and low-volume production orders.

View MJF Material Data Sheet -->



MJF Tolerances

Expected tolerances on our MJF models are +/- .005” for the first inch and +/- .002” for each additional inch.  Part geometry, wall thickness, and build orientation can have an effect on tolerances.  Please let us know if you have critical dimensions that need to be met.