SLS 3D Printing

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It is an additive manufacturing technique in which raw material is used in its powdered form (typically Nylon). A focused laser beam is guided over the surface of powdered layer according to the 3D design provided.

Once layer is sintered the tray containing the powder is lowered and new layer of powder is spread evenly over the surface. In this process the power of laser is more crucial along with time of exposure. The power of the laser is so controlled that only current layer is melted and fused with adjoining previous layer.

Since the area which is not sintered by the laser stays in powder form, this powder can act as support material. Hence SLS does not require any special support structure.