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HP Multi Jet Fusion (MJF) 3D Printing Service

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HP MJF 3D printed parts
Materials
Applications and Benefits
Tolerances
About HP MJF
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HP MJF 3D Printing Service

HP Multi Jet Fusion (MJF) is a powerful 3D printing technology that produces highly accurate and durable parts at fast speeds, especially compared to other powder bed fusion technologies like selective laser sintering (SLS) or direct metal laser sintering (DMLS). Due to their affordability, speed, and high resolution, HP Multi Jet Fusion can be used for end-use, low-volume production, rapid prototyping, or as a bridge process to injection molding. MJF allows engineers to get a feel for how parts will perform with minimal upfront costs.


Xometry's HP Multi Jet Fusion 3D printing service has a recommended build envelope of 15” x 11” x 15”.


Upload your 3D CAD file to get instant pricing with lead time options. If needed, you can easily select a different process or material to get an updated quote in real-time. Xometry offers free shipping on all 3D printing orders originating in the US.

    HP Multi Jet Fusion Polypropylene

    Multi Jet Fusion Materials

    HP MJF Materials Available at Xometry:
    Material NameDescriptionShore HardnessElongation at Break (XY, ZX %)Impact Strength (XY, ZX kJ/m²)

    Nylon 11

    HP 3D High Reusability PA 11

    80D

    55%, 40%

    6 kJ/m², 5 kJ/m²

    Nylon 12

    HP 3D High Reusability PA 12

    80D

    20%, 15%

    3.6 kJ/m², 3.5 kJ/m²

    Nylon 12, Glass-Filled

    HP 3D High Reusability
    PA 12 Glass Beads (40% GB)

    82D

    10%

    3 kJ/m²

    Polypropylene (PP)

    HP 3D High Reusability PP

    70D (est.)

    10%

    3.5 kJ/m², 3.0 kJ/m²

    TPU 88A

    BASF Ultrasint™ TPU01

    88A

    220%, 120%

    Partial break, No break

    More MJF materials are available upon request! Review more information about our materials here.

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    Applications for HP Multi Jet Fusion

    Concept models

    Concept Models

    The speed and versatility of MJF let product developers create tough and detailed physical snapshots of their designs.

    Fast parts and fast shipping

    Rapid Prototyping

    MJF can be used to create fully-functional prototypes, complete with moving parts, as well as all-in-one assemblies.

    Digital manufacturing

    Direct Digital Manufacturing

    The low price and speed of Multi Jet Fusion make it an ideal way to build large quantities of discrete or customized parts.

    New!

    Vapor Smoothing HP Multi Jet Fusion Parts

    Xometry can vapor smooth 3D printed parts to achieve an exceptional surface finish. Vapor smoothing, performed through AMT PostPro3D's technology, is a batch-based automated smoothing process that achieves a high-quality surface. Combined with the low costs of HP MJF technology, this surface finish can make parts competitive with injection molding from both form and function. Vapor smoothing creates a uniform, sealed surface with a semi-gloss appearance. The enhanced surface also increases the overall performance of 3D printed parts including ultimate tensile strength, yield at flex, and percent elongation to break. Vapor smoothing can be applied to HP Multi Jet Fusion, selective laser sintering, and fused deposition modeling parts for both rigid plastics and elastomers.

      Vapor smoothing of a HP MJF part (right) with a standard finish on the other half (left).

      Advantages of HP’s Multi Jet Fusion 3D Printing Process

      While there are many benefits to HP Multi Jet Fusion, a few truly stand out. For starters, the standard build parameters are optimized for the best density. The result is that Multi Jet Fusion parts are watertight.


      If you like SLS but want to produce higher quantities for small-batch production runs, Multi Jet Fusion is the way to go. The ability to print multiple parts simultaneously across the entire build volume means you can print parts at rates up to 10X faster than SLS or other 3D printing processes. Also, Multi Jet Fusion delivers more balanced mechanical properties across the X, Y, and Z axes compared to SLS.


      If you’re interested in injection molding for your project, it’s always a good idea to get a 3D printed “test” part before making the investment in metal molds. While SLA is a great 3D printing process for extremely detailed and high-resolution prints, the UV cured resins are not as tough as traditional thermoplastics. Prints begin to degrade when exposed to UV light and moisture. Multi Jet Fusion, on the other hand, can produce extremely accurate prints while also maintaining the structural durability of traditional thermoplastics, especially when using glass-filled nylon. This makes it a great process for testing fit and functionality before taking your project to injection molding.

      • Every part backed with the Xometry Quality Guarantee
      • ISO 9001:2015 and AS9100D certified | ITAR Registered
      • Free shipping on 3D print orders, no minimums
      HP MJF candle holder complex shape

      HP MJF General Tolerances

      DescriptionTolerance Notes

      General Tolerances

      +/- 0.012" or +/0.003" per inch, whichever is greater, is typical.

      Build Area

      Build area up to 15 x 11 x 15" (14 x 11 x 13" is the recommended usable area).

      Minimum Feature Size

      0.020" or greater.

      This table depicts the general tolerances for Multi Jet Fusion. Stresses during the builda nd other geometry considerations may cause deviation in tolerances and flatness. Part designs with thicker geometries, flat or broad parts, and parts with uneven wall thicknesses may be prone to significant deviations or warp. Improved tolerances may be possible with a manual quote review, after successful completion of a prototype build, and must be approved on a case-by-case basis. Please check out Xometry's Manufacturing Standards for more information on tolerances per process.

      Overview: What is HP Multi Jet Fusion?

      The Basics of HP Multi Jet Fusion 3D Printing

      HP Multi Jet Fusion is a powerful 3D printing technology that produces highly accurate and durable parts that are capable of being used directly in end-use, low-volume production, or for rapid prototyping. Since the process uses well-established 2D printing ink-jetting, it has remarkably fast layer times compared to other powder bed fusion technologies.


      How HP Multi Jet Fusion Works

      Like all powder-based 3D printing processes, HP Multi Jet Fusion builds parts layer by layer, using a fusing agent and heat to set each layer before moving onto the next. In the more traditional 3D printing processes — such as Selective Laser Sintering (SLS), Stereolithography(SLA), or Direct Metal Laser Sintering (DMLS)— each part is imaged, layer by layer, with a single laser beam. HP’s Multi Jet Fusion works a bit more like a traditional ink-jet printer with a printhead that deposits the material, and then a fusing agent, across the entire build plate in one pass, allowing for the printing of multiple parts simultaneously.

        HP Multi Jet Fusion MJF 3D printing services

        The Benefits of HP’s Multi Jet Fusion 3D Printing Process

        While there are many benefits to HP Multi Jet Fusion, a few truly stand out. For starters, the standard build parameters are optimized for best density. The result is that Multi Jet Fusion parts are watertight.

        If you like SLS but want to produce higher quantities for small-batch production runs, Multi Jet Fusion is the way to go. The ability to print multiple parts simultaneously across the entire build volume means you can print parts at rates up to 10X faster than SLS or other 3D printing processes. Also, Multi Jet Fusion delivers more balanced mechanical properties across the X, Y, and Z axes compared to SLS.


        If you’re interested in injection molding for your project, it’s always a good idea to get a 3D printed “test” part before making the investment in metal molds. While SLA is a great 3D printing process for extremely detailed and high-resolution prints, the UV cured resins are not as tough as traditional thermoplastics. Prints begin to degrade when exposed to UV light and moisture.

        On the other hand, Multi Jet Fusion can produce extremely accurate prints while also maintaining the structural durability of traditional thermoplastics, especially when using glass-filled nylon. This makes it a great process for testing fit and functionality before taking your project to injection molding.

          Xometry X made with multi jet fusion

          Why Choose Xometry for HP Multi Jet Fusion Printing?

          Massive Network Capacity

          Endless Options

          Choose from millions of possible combinations of materials, finishes, tolerances, markings, and certifications for your order.

          Instant Quoting Engine

          Easy to Use

          Get your parts delivered right to your door without the hassle of sourcing, project management, logistics, or shipping.

          Guaranteed Quality

          Guaranteed Quality

          We back every part we ship with the Xometry Quality Guarantee. Job One at Xometry is making your custom parts to your specifications.

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          Download the HP Multi Jet Fusion design guide