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No need for a mould
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Quick creation of sampling -
Printing multiple diverse pieces and layering them efficiently in a single cycle -
Zero waste: reusable powder at the end of the cycle -
Production of hollow or interlocking pieces without the need for soldering -
Customization in printing without post-processing -
No support required in printing
Inside the build unit of the printer, a roller spreads out a layer of powder to a predetermined thickness. Next, the printing heads selectively apply a binder corresponding to the 2D images obtained.
This step is then repeated until the height of the objects to be produced has been reached.
The build unit is then placed in a Curing Station, where curing takes place at around 150°C: the binder is activated and still-fragile “green” objects are obtained, immersed in a bed of powder;
After a careful Decaking and Depowdering, the “green” objects are placed in a sintering oven.
The component is subjected to a specially calibrated heat ramp process in the oven in three phases:
Debinding: the binder evaporates completely, the pieces are composed only of powdery particles;
Sintering: the particles begin to coalesce and metallurgical bonding takes place. This is the phase when most shrinkage occurs;
Cooling: controlled cooling of the pieces is carried out to avoid residual stresses and cracking.
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