PolyJet Matrix™ 3D Printing Technology

PolyJet Matrix™ Technology, a new direction in 3D printing, is the first technology that enables simultaneous jetting of different types of model materials, available on Connex family of 3D Printing Systems.

PolyJet Matrix opens up virtually unlimited opportunities for closely emulating the look, feel and function of final products. It provides the technology foundation for cutting edge 3D printing systems that can, in a single build process, print parts and assemblies made of several materials with different mechanical and physical properties. More than that, PolyJet Matrix also allows on-demand fabrication of composite materials, called Digital Materials™.

Expanding the innovation leadership position that Objet established with the launch of its original PolyJet Technology, this totally unique technology brings an unprecedented level of flexibility and efficiency to 3D printing.

The PolyJet Matrix Process

Objet’s patent-pending PolyJet Matrix technology works by jetting two distinct Objet FullCure® photopolymer model materials in preset combinations.

The dual-jet process can combine materials in several ways, enabling the simultaneous use of two different rigid materials, two flexible materials, one of each type, any combination with transparent material, or two jets of the same material.

Each material is funneled to a dedicated liquid system connected to the PolyJet Matrix block, which contains 8 printing heads. Two perfectly synchronized printing heads are designated for each material, including the support material.

PolyJet Matrix Technology controls every one of the 96 nozzles in every print head. Preset composites of model materials are jetted from designated nozzles according to location and model type, providing full control of the structure of the jetted material and hence of its mechanical properties. This enables each composite material, called a “Digital Material”, to provide specific values for tensile strength, elongation to break, HDT and even Shore A values.

The materials are jetted in ultra-thin layers onto a build tray, layer by layer, until the part is completed. Each photopolymer layer is cured by UV light immediately after it is jetted, producing fully cured models that can be handled and used immediately, without post-curing. The gel-like support material, which is specially designed to support complicated geometries, is easily removed by hand and water jetting.

Dedicated Objet Studio for Connex™ software manages the process, handling multi-material STL files and creating files that combine different materials, assemblies and model characteristics.

PolyJet Matrix Advantages

  • Enables the on-the-fly fabrication of Digital Materials™ – Composite materials that closely emulate the mechanical properties of the target design
  • Enables the combination of black and white rigid materials, creating a wide range of grayscales suitable for consumer electronics and other applications
  • Eliminates the need to design, print and glue together separate model parts made with different materials in order to create a complete model, saving printing and post-processing time
  • Dramatically reduces the risk of error when creating complex molds for double injection by enabling the majority of testing to be performed on early stage prototypes instead of requiring silicon molds


Published on April 27, 2012 at 9:39 am  Leave a Comment  

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