Pros and Cons of 3d Printing Technology Types

Direct Metal Deposition

Pros

  • Repair Capability
  • Part Size
  • Gradients
  • Coatings

Cons

  • Slow
  • Expensive machines
  • Column Shapes

Direct Metal Laser Sintering (DMLS)

Pros

  • Better Surface Finish
  • Fine features
  • Wide selection of materials

Cons

  • Slow
  • Small build volumes
  • Support structure required
  • Heavy post processing

Electron Beam Melting (EBM)

Pros

  • Fast
  • Lower residual stresses

Cons

  • Rough surface finish
  • Internal passages are a challenge
  • Maximum part size is limited

Fused Deposition Modeling (FDM)

Pros

  • Large Build Volumes
  • Cost Effective
  • Strong Materials

Cons

  • Anisotropic
  • Surface Finish
  • Slow

Selective Laser Sintering (SLS)

Pros

  • Good Mechanical properties
  • Mature process
  • Good environmental resistance
  • Good aging behaviors
  • Readily adopted in aerospace

Cons

  • Build Volume
  • Material Selection

Sterio Lithography (SLS)

Pros

  • Excellent Surface Finish (top face)
  • Efficient use of materials
  • Transparent/ translucent materials

Cons

  • UV degradation
  • Low mechanical properties
  • Expensive materials

 

 

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