Binder Jetting

Binder Jetting 3D printing emerged in the mid-1990s and has become a powerful additive manufacturing technology. The process uses binding agents to join granular metal particles layer by layer. During printing, one or more print heads selectively deposit a liquid binder to create green parts. These parts remain fragile until curing strengthens the structure. The binder acts as an adhesive that enables the production of dense, complex components, which manufacturers can further enhance through infiltration, coating, or sintering during post-processing.

What’s so special about this technology?

Binder Jetting supports a wide range of metal powders and alloys, allowing manufacturers to produce high-performance prototypes and end-use parts efficiently. The technology also enables intricate geometries that traditional manufacturing methods often cannot achieve, giving engineers greater freedom to optimize designs for performance and functionality.

Like Selective Laser Sintering (SLS), metal Binder Jetting does not require support structures during printing. The surrounding loose powder naturally supports each part throughout the build process, allowing complex features and internal geometries to be produced without additional supports.Binder Jetting delivers exceptional production speed, helping manufacturers significantly improve throughput and efficiency.
The process produces precision parts with excellent accuracy and repeatability.
Engineers gain greater design freedom because they can create complex geometries without designing, printing, or removing support structures.

Additional, exceptional benefits

  • Binder Jetting delivers exceptional production speed, helping manufacturers significantly improve throughput and efficiency.
  • The process produces precision parts with excellent accuracy and repeatability.
  • Engineers gain greater design freedom because they can create complex geometries without designing, printing, or removing support structures.
  • Eliminating support structures helps maintain part quality and reduces the risk of damage during post-processing.
  • Manufacturers can nest multiple parts within a single build volume, maximizing material utilization and increasing production capacity.

Materials & Applications

Shapeways customers may be interested in using Binder Jetting due to the ability to print with nearly any powder. Metal and alloys are popular for manufacturing strong yet lightweight parts, while sandstone is used for production of full color Binder Jetting. Find out more about the materials offered with Binder Jetting below:

Stainless Steel 316L / EN 1.4404

Stainless Steel 316L / EN 1.4404 is an additive manufacturing process with Triple Advanced Compaction Technology by ExOne, in partnership with Shapeways. This material is unique as a corrosion-resistant single alloy, offering high strength that extends to extreme temperatures too. Shapeways customers use this material for the following industrial applications: Mechanical machinery, surgical tooling, heat exchangers, and fasteners and brackets.

Stainless Steel 316L / EN 1.4404 is available in a natural finish, blasted with ceramic media for a slightly rough surface and a matte finish. It is also offered in a polished finish, with 3D printed parts tumbled for a smooth surface.

For this material, 3D files must meet the following minimum and maximum bounding box sizes:

  • Bounding Box Min: 15 x 15 x 3 mm  
  • Bounding Box Max: 127 x 127 x 76.2 mm

 

Find out more about the design guidelines for Stainless Steel 316L / EN 1.4404

Stainless Steel 17-4 PH / EN 1.4542

Stainless Steel 17-4 PH / EN 1.4542 is 3D printed with Binder Jetting by Desktop Metal, in partnership with Shapeways. This material can be highly optimized for manufacturing strong metal geometries with extreme toughness and corrosion resistance. Shapeways customers rely on Stainless Steel 17-4 PH for industrial manufacturing of: Fasteners, jigs and fixtures, machine tools, parts for oil and gas, pump components, and valving.

Stainless Steel 17-4 PH / EN 1.4542 is available in a Processed finish, with a semi-matte appearance and a rough surface. Parts are media blasted after the sintering process is complete.  

For this material, 3D files must meet the following minimum and maximum bounding box sizes:

  • Bounding Box Min: 15 × 15 × 3 mm
  • Bounding Box Max: 127 × 127 × 76.2 mm

 

Find out more about the design guidelines for Stainless Steel 17-4 PH / EN 1.4542

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