MJF 3D Printing Australia

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Materials available PA12, PA12GB, PA11, BASF TPU

What is HP MJF?

HP MJF stands for “HP Multi Jet Fusion” or “MJF”, which is a 3D printing technology developed by HP Inc. The technology was introduced in 2016 and has since gained popularity in various industries for its ability to produce functional parts and prototypes with a high level of accuracy and speed.

Now with an added advantage over Selective Laser Sintering (SLS) technology, HP MJF is a powder-based 3D printing technique. The main difference between the two techniques lies in the heat source, as the latter requires less heat in the process. While SLS utilises a laser to scan and sinter the material, HP MJF, on the other hand, does so through a new and innovative process that accelerates build time. This enables a finer feature resolution and a more consistent isotropic mechanical property. HP Inc. has reported that its MJF technology has printed more than 18 million parts to date (as of 2021) across various industries, including automotive, healthcare, and industrial manufacturing.

Advantages of HP MJF 3D Printing

During the HP MJF printing process, a fusing agent is applied to a material layer where the powder particles are supposed to fuse together. Simultaneously, a detailing agent that inhibits sintering is printed near the edge of the part. After this, a high-power IR energy source runs through the build bed and sinters the areas where the fusing agent was dispensed while leaving the rest of the powder untouched. The process repeats until all parts are complete.

What is the HP MJF 3D Printing Process?

Able to produce prototypes as fast as one day*, HP MJF is a great 3D printing solution for applications that require complex parts with geometries with fine features and functional end-use parts. Other benefits include:

  • Print speed: HP MJF is significantly faster due to its multi-agent printing process. HP MJF can print at a rate of several inches per hour, making it ideal for high-volume production.

  • Accuracy and precision: HP MJF can produce parts with a high level of accuracy and precision, thanks to its ability to selectively apply the fusing agent and detailing agent where they are needed.

  • Surface quality: HP MJF produces parts with a smooth surface finish due to its multi-agent printing process.

  • Watertight Parts: With the advancement of Multi Jet Fusion (HP MJF), came the ability to 3D print fluid-tight parts. HP’s Nylon PA12 and HP MJF process have been proven to produce watertight parts without the need for any additional post-processing.

  • Material options: HP MJF can print with a range of materials, including PA12 (Certified Bio-Compatible), PA12 GB (Glass Beads), PA11, and TPU, among others.

  • Cost: HP MJF can be a more cost-effective for high-volume production, as it uses less material and produces less waste.

* One Day production refers to only the 3D printing production time. Please contact us for a more accurate timeline for your requirements.

How Additive3D Australia offer HP MJF Printing?

At Additive3D Australia, we are able to produce parts in house with a build volume of up to 380 x 284 x 380mm with HP MJF technology in Singapore. HP MJF can also create ultra-thin layers of 80 microns, which produces parts with high density and low porosity compared to the same PA 12 parts printed with SLS. In addition, the parts printed are stronger and more precise.

Overall, HP MJF is a powerful 3D printing technology that has helped revolutionize the way parts and prototypes are produced, making it an ideal choice for various industries such as automotive, aerospace, and healthcare, among others.

PA 12
Engineering grade thermoplastic that produces high-density parts with extreme dimensional accuracy and fine detail for functional prototyping and final parts. Ideal for complex assemblies, lattice structures, housing, enclosures, and connectors, and optimal for post finishing processes. Printed with HP MJF 4200/4210
PA 12 Glass Beads
Nylon material infused with 40% glass beads, which reduces warping during the printing process. Ideal for applications requiring high stiffness and strength like enclosures and housings, fixtures, and tooling. Printed with HP MJF 4200
A Grey Polyamide PA 12 powder (nylon-based compound) with good mechanical properties and excellent surface resolution.

Materials offered in HP MJF 3D Printing:

BASF Ultrasint® TPU01
Thermoplastic Polyurethane Powder for HP Jet Fusion Printers Ultrasint® TPU01 is a multi-purpose thermoplastic polyurethane (TPU) powder, ideal for the production of parts requiring shock absorption, energy return or flexibility. Printed with HP MJF 5200