Material extrusion is a 3D printing process where a filament of solid thermoplastic material is pushed through a heated nozzle, melting it in the process.
The printer deposits the material on a build platform along a predetermined path, where the filament cools and solidifies to form a solid object.
Types of 3D Printing Technology: Fused Deposition Modeling (FDM), sometimes called Fused Filament Fabrication (FFF).
Materials: Thermoplastic filament (PLA, ABS, PET, TPU).
Dimensional Accuracy: ±0.5% (lower limit ±0.5 mm).
Common Applications: Electrical housings; Form and fit testings; Jigs and fixtures; Investment casting patterns.
Strengths: Best surface finish; Full color and multi-material available.
Weaknesses: Brittle, not sustainable for mechanical parts; Higher cost than SLA/DLP for visual purposes.
Fused Deposition Modeling (FDM)
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