Material Extrusion Process in 3D Printing
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Questions and Answers

What is material extrusion defined as?

  • A process of creating a product by layering sheets of material
  • An additive manufacturing process in which material is selectively dispensed through a nozzle or orifice (correct)
  • A subtractive manufacturing process
  • A process of manufacturing using laser technology

    • What is one of the advantages of material extrusion?

  • Fast build speed
  • High surface finish and accuracy
  • Ability to create complex geometries
  • Low cost (correct)

    • What is the term for the thickness of the material being extruded in the material extrusion process?

  • Build orientation
  • Model build temperature
  • Layer thickness (correct)
  • Bed temperature

    • Which of the following is NOT a parameter in the material extrusion process?

    <p>Material density</p> Signup and view all the answers

    What is one of the limitations of material extrusion?

    <p>Surface finish and accuracy</p> Signup and view all the answers

    Which of the following applications is NOT a common use of material extrusion?

    <p>Textile manufacturing</p> Signup and view all the answers

    What is the process invented by Scott Crump in 1988?

    <p>Material Extrusion</p> Signup and view all the answers

    In what year was the patent granted to Scott Crump for material extrusion?

    <p>June 9, 1992</p> Signup and view all the answers

    What is the primary application of Fused deposition modelling (FDM)?

    <p>Building polymer components</p> Signup and view all the answers

    What is the name of the process that has the largest installed base of additive manufacturing machines in the world?

    <p>Material Extrusion</p> Signup and view all the answers

    What are the other names for Fused deposition modelling (FDM)?

    <p>Fused Filament Fabrication (FFF) and Material Jetting</p> Signup and view all the answers

    What is the significance of the year 1988 in the context of material extrusion?

    <p>The year when Scott Crump invented the material extrusion process</p> Signup and view all the answers

    What is a limitation of material properties in parts built using Material Extrusion compared to conventional and LPBF techniques?

    <p>Lower yield strength, ultimate strength, and elongation</p> Signup and view all the answers

    What is the primary function of the 'eForge' system developed by Electronic Alchemy?

    <p>Building functional electronic components</p> Signup and view all the answers

    How many independently controlled extruders are used in the 'eForge' system?

    <p>Eight</p> Signup and view all the answers

    What is the build volume of the 'eForge' system?

    <p>10.75″ x 7.85″ x 11.8″</p> Signup and view all the answers

    What type of sensors can be manufactured using the 'eForge' system?

    <p>Various sensors, including pressure, vibration, optical, and temperature sensors</p> Signup and view all the answers

    What is an advantage of the 'eForge' system for astronauts?

    <p>It allows astronauts to create items on-demand, including mission-critical devices and components</p> Signup and view all the answers

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