Prototyping processes

Fused deposition modeling
-Layer by layer
-Plastic filament or metal wore is unwound from a coil and supplies material to an extrusion nozzle.
-The nozzle is heated to melt the material.

Materials
-Abs polymer
-Polycarbonates
-Waxes.
Model is created in CAD. Send it to the machine.

Types of machines.
-FDM (200mc, 300mc , 400mc and 900mc)
-200 for office

Pros
Good for conceptual models,
Cost effectiveness
Cons
-Expensive


Laminated object manufacturing (LOM)

Rapid prototyping
Works with 3d models
Low cost.

-Layers of glue-backed paper from the model
-Raw materials is readily available
-Larger parts because it uses no chemicals ( no reactions involved)
-Outside model, cross-hatching removes materials.
-Before sealing models have a wood-like texture.
-Not as prevalent as SLS and SLA

How it works?
Layer fabrication with sheets being adhered to subtract with the heated roller.
Works with paper layers!
Models should be sealed with a paint or lacquer to block moisture ingress.
Strong as plastic or metal.
The paper is glue with heat. ( sinterizado)

Open hardware
Social movement, people interest on techonology created new devices byt the combination of pieces from other different companies.

Rep rap

Materials.
Thermoplastic
Ceramic
Icing sugar
Silicone
Woods
Chocolate

Its like a home printer…
Cheaper than an industrial machine.