How does SLM 3D printing work?

SLM is a 3D printing process in which metal powder is fused by laser, creating a new object layer by layer. SLM stands for (Selective Laser Melting), which means that the laser selectively melts the metal powder only where the solid material is needed. In the end, the finished object can be removed from the powder bed.

How does a SLM 3D printer work?

SLM is a 3D printing process in which metal powder is fused by laser, creating a new object layer by layer. SLM stands for (Selective Laser Melting), which means that the laser selectively melts the metal powder only where the solid material is needed. In the end, the finished object can be removed from the powder bed.

Which laser is used in SLM?

The process is repeated layer after layer until the part is complete. SLM machines predominantly uses a high-powered Yb-fiber optic laser with standard laser powers ranging from 100 – 1000W.

What is the raw material used for SLM?

The most common powder materials used in SLM include: – Steel and iron-based alloys. Nickel-based alloys. Titanium-based alloys. Aluminium alloys.

What are the main differences between SLM and EBM?

Yet, there exist some differences between the two processes, as SLM operates under an inert atmosphere with a cold powder bed while EBM operates under vacuum and generally with a hot powder bed, which hence affects both the quality and properties of the fabricated parts.

What are the four types of powder bed fusion processes?

The Powder Bed Fusion process includes the following commonly used printing techniques: Direct metal laser sintering (DMLS), Electron beam melting (EBM), Selective heat sintering (SHS), Selective laser melting (SLM) and Selective laser sintering (SLS).


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