Metal 3D Printing Technology: Binder Jetting


Jewelry metal binder jetting Metal binder jetting tubes alt= Metal binder jetting technical part
Jewelry metal binder jetting Metal binder jetting tubes alt= Metal binder jetting technical part


Technology Overview

What is Binder Jetting?

Binder Jetting is an additive manufacturing method that creates parts additively with a binding agent. The process uses a liquid binding agent deposited on the metal powder material, layer by layer, according to your 3D model.

Between each layer, the powder is lightly cured for solidification. When the printing process is complete, the build box is removed from the printer and placed into an oven for curing. 

When the process is over, an operator carefully extracts the parts from the build box and removes the remaining powder thanks to brushes and air blowers. 

Our industrial-grade  stainless steel material is infiltrated to add resistance and strength to the material. 

For the infiltration process, the part is placed on a runner into a crucible. Bronze powder is dropped on a side of the crucible which is then placed into a pressurized furnace. During the heating process, the bronze powder is melting and infiltrates the runners and the parts attached. 

When the process is done, the parts are separated from the runners, cleaned and beadblasted to remove the remaining powder. After this process, the composite material is 60% stainless steel and 40% bronze. The part can now be shipped to you or finished according to your choice.

Binder Jetting 3D Printers

The metal binder jetting technology was developed by the company ExOne since 1996. At Sculpteo we are using the M-Flex printer to 3D print your part in metal binder jetting. 

The machine has a maximum building size of  736.6 X 381 X 361.95 mm for raw printing. If you choose the plating option, the building sized is reduced to  177.8 x 177.8 x 177.8 mm and  152.4 x 152.4 x 152.4 mm if you choose the polished finish. 

Binder Jetting Benefits

The metal Binder Jetting process is the fastest and cheaper metal 3D printing technology. It perfectly fits prototyping needs, ornamental and decorative objets or jewelry thanks to the plating options. Metal Binder jetting can create complicated and highly detailed design in a very short amount of time. The cost of the metal binder jetting technology is lower than traditional manufacturing technique and other metal 3D printing technology thanks to the mixed material (Metal powders and binding agent). 

The main benefits of the metal binder jetting technology is the high customization possibilities and the fast production time. 

Thanks to our online metal binder jetting service, you can have access to professionnal binder jetting 3D printers to produce your part, distantly, and without needing to worry about operating the machines. You'll get your 3D printed metal parts, fully functional and ready to be used or integrated into a larger object, within a few days. 

Binder Jetting 3D Printing Materials

With our online metal binder jetting service, you can 3D print in 420 Stainless steel infiltrated with bronze powder. This material can be plated with Nickel or Gold.

We also offer other metal 3D printing online, using DMLS, SLM or metal casting techniques:

  • With DMLS:  Stainless Steel SS316L and Titanium TiAI64V grade 5
  • With SLM: Aluminum AlSi7Mg0,6
  • With Metal Casting: Sterling Silver and Brass

Metal Binder Jetting can be used with many different finishing options. If you wish to 3D print a metal project with special requirements or specific platings, you can contact our sales-team

To learn more about the other metal 3D printing techniques, visit our materials and technologies pages.

Binder Jetting Applications

Metal Binder Jetting manufacturing technique is particularly useful to create unique metal parts with a good surface finish. With such a technology, you can create very complex shapes in a very short amount of time. 
Since Metal Binder Jetting has average mechanical properties, it is more suited to decorative objects and jewelry than technical parts. Nevertheless, the infiltration process add strength and resistance to the material and makes it useful for many applications.  
However, if your part needs to handle loads and stress, we suggest you to take a look at our DMLS and SLM metal 3D printing services that provide very precise and technical parts with excellent mechanical properties. 

Our Binder Jetting Materials 


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Other materials available on Sculpteo:

  • Plastic

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  • Black Plastic

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  • Titanium

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  • Stainless Steel

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