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Selective Laser Sintering

Advantages

Similar to the SLA photopolymerization process (resin printing), SLS also utilizes laser curing of the entire substance. The difference lies in the use of infrared laser beams in SLS, and the material shifts from photosensitive resin to composite materials like plastics, wax, ceramics, metal powder, or nylon powder.

Selective Laser Melting

Working Principle

Selective Laser Melting (SLM) and EBSM/EBM (Electron Beam Melting metal 3D printing) share similar technical principles, utilizing laser irradiation to pre-diffuse metal powder and form metal components. The difference lies in the heat source.
Selective Laser Melting technology

Stereo lithography Apparatus

Working Principle

Stereo lithography Apparatus (SLA), also known as solid imaging or stereolithography, was introduced in 1984 as the world’s first high-speed prototyping device utilizing photopolymerization. It remains one of the most mature and widely used rapid prototyping processes

Multi Jet Fusion

Working Principle

Compared to the Selective Laser Sintering (SLS) process, the material used is a nylon-based polymer material. The distinction lies in the addition of additives and a refining agent, in addition to molding powder. This process is employed while the previous layer is still in a molten state.