FDM technology or Fused Deposition Modelling

In the previous post we talked about 3D printing as a new alternative to machining processes, a more efficient alternative that has brought numerous advantages to the industrial parts manufacturing sector. Today we are talking about one of the 3D printing processes that we use the most at Induplast, which is Fused Deposition Modelling or FDM.

This technology makes it possible to create highly resistant and durable parts with complex geometric shapes from thermoplastic materials. As its name indicates, this process is based on depositing a molten polymer filament, giving shape layer upon layer, to a 3D model.  
 

How does this 3D printing process work?


In the first step, the filament of the chosen material is melted, i.e. the material is moulded and compressed to give it the required shape. Once the thermoplastic has melted, it comes out as filament and is deposited layer by layer, forming the designed part. As the thermoplastic is deposited in the melting nozzle, it solidifies, thus generating a functional prototype. As shown in the following image.


What advantages does FDM have over other 3D printing methods?

 
  • More economical technology: compared to methods such as SLA or SLS, FDM has a much lower cost.
 
 
  • Rapid prototyping: this type of 3D printing requires very little prior preparation, unlike the other methods, which require more extensive cleaning and preparation. This allows for faster prototyping.
 
 
  • Material range: FDM technology allows us to work with a wider range of thermoplastic polymers: PLA, ABS, Nylon, HIPS, TPU, PC, CPE, PA.
 
 
  • Sustainable: 3D printing generates very little waste, and any that is produced can be reused, thus avoiding the massive generation of non-recyclable waste. In addition, the level of energy invested in a 3D manufacturing process is much lower than in traditional machining processes.

 

 
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