Which additive manufacturing technique uses a laser to fuse small particles of material into a mass that has a desired 3D shape?

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Study for the Diploma Programme Design Technology Exam. Engage with flashcards and multiple-choice questions, each offering hints and detailed explanations. Be well-prepared for your test!

Multiple Choice

Which additive manufacturing technique uses a laser to fuse small particles of material into a mass that has a desired 3D shape?

Explanation:
Selective Laser Sintering is an additive manufacturing process where a laser fuses small particles of powder to form a solid layer of the part. The laser scans the powder bed according to the cross-section of the 3D model, heating the particles just enough for them to bond as they cool. After each layer solidifies, the build platform lowers and a new layer of powder is spread, repeating until the object is complete. The unfused powder remains as support and can be recycled, which is a key advantage for complex geometries. This differs from stereo-lithography, which cures liquid resin with light rather than fusing powder.

Selective Laser Sintering is an additive manufacturing process where a laser fuses small particles of powder to form a solid layer of the part. The laser scans the powder bed according to the cross-section of the 3D model, heating the particles just enough for them to bond as they cool. After each layer solidifies, the build platform lowers and a new layer of powder is spread, repeating until the object is complete. The unfused powder remains as support and can be recycled, which is a key advantage for complex geometries. This differs from stereo-lithography, which cures liquid resin with light rather than fusing powder.

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