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3D Sand Printing - Revolutionary Technology

3D Sand Printing - Revolutionary Technology

Our technology, called "Binder Jetting" is an additive manufacturing process in which a liquid binding agent is selectively deposited to join powder particles. 

Layers of material are bonded to form an object. The printhead strategically drops binder into the powder. The job box lowers and another layer of powder is then spread and binder is added. Over time, the part develops through the layering of powder and binder.

Binder Jetting is used in various applications, including the fabrication of full-color prototypes (such as figurines), the production of large sand casting cores and molds and the manufacture of low-cost 3D printed metal parts.

With such diverse applications, it is essential for a designer who wants to use the capabilities of Binder Jetting to the fullest, to understand the basic mechanics of the process and how these connect to its key benefits and limitations.


A key advantage of Binder Jetting over other 3D printing processes is that bonding occurs at room temperature. This means that dimensional distortions connected to thermal effects (such as warping in FDM, SLS, DMS/SLM or curling in SLA/DLP) are not a problem in Binder Jetting.

As a result, the build volume of Binder Jetting machines is amongst the largest compared to all 3D printing technologies (up to 4000 x 2000 x 1000 mm). These large machines are generally used to produce sand casting molds. 


Moreover, Binder Jetting requires no support structures: the surrounding powder provides to the part all the necessary support.

Since the parts in Binder Jetting do not need to be attached to the build platform, the whole build volume can be utilized. To take advantage of the full capabilities of Binder Jetting, it is very important to consider how to fill effectively the whole build volume of the machine (bin packing).




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